390 lines
15 KiB
XML
390 lines
15 KiB
XML
<?xml version="1.0" encoding="UTF-8" standalone="no"?>
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<project source="2.7.1" version="1.0">
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This file is intended to be loaded by Logisim (http://www.cburch.com/logisim/).
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<lib desc="#Wiring" name="0"/>
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<lib desc="#Gates" name="1">
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<tool name="NAND Gate">
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<a name="facing" val="south"/>
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<a name="size" val="30"/>
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<a name="inputs" val="4"/>
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</tool>
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</lib>
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<lib desc="#Plexers" name="2"/>
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<lib desc="#Arithmetic" name="3"/>
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<lib desc="#Memory" name="4">
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<tool name="ROM">
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<a name="contents">addr/data: 8 8
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0
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</a>
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</tool>
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</lib>
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<lib desc="#I/O" name="5"/>
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<lib desc="#Base" name="6">
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<tool name="Text Tool">
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<a name="text" val=""/>
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<a name="font" val="SansSerif bold 24"/>
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<a name="halign" val="center"/>
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<a name="valign" val="base"/>
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</tool>
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</lib>
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<main name="74LS42"/>
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<options>
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<a name="gateUndefined" val="ignore"/>
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<a name="simlimit" val="1000"/>
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<a name="simrand" val="0"/>
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</options>
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<mappings>
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<tool lib="6" map="Button2" name="Menu Tool"/>
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<tool lib="6" map="Button3" name="Menu Tool"/>
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<tool lib="6" map="Ctrl Button1" name="Menu Tool"/>
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</mappings>
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<toolbar>
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<tool lib="6" name="Poke Tool"/>
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<tool lib="6" name="Edit Tool"/>
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<tool lib="6" name="Text Tool">
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<a name="text" val=""/>
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<a name="font" val="SansSerif bold 24"/>
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<a name="halign" val="center"/>
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<a name="valign" val="base"/>
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</tool>
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<sep/>
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<tool lib="0" name="Pin">
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<a name="tristate" val="false"/>
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</tool>
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<tool lib="0" name="Pin">
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<a name="facing" val="north"/>
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<a name="output" val="true"/>
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<a name="label" val="0"/>
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<a name="labelloc" val="south"/>
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</tool>
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<tool lib="1" name="NOT Gate">
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<a name="facing" val="south"/>
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<a name="size" val="20"/>
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</tool>
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<tool lib="1" name="AND Gate"/>
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<tool lib="1" name="OR Gate"/>
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</toolbar>
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<circuit name="74LS42">
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<a name="circuit" val="74LS42"/>
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<a name="clabel" val=""/>
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<a name="clabelup" val="east"/>
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<a name="clabelfont" val="SansSerif plain 12"/>
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<appear>
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<rect fill="#ffff00" height="110" stroke="#000000" stroke-width="2" width="50" x="50" y="30"/>
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<text font-family="SansSerif" font-size="10" font-weight="bold" text-anchor="start" x="54" y="74">A0</text>
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<text font-family="SansSerif" font-size="10" font-weight="bold" text-anchor="start" x="54" y="84">A1</text>
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<text font-family="SansSerif" font-size="10" font-weight="bold" text-anchor="start" x="54" y="94">A2</text>
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<text font-family="SansSerif" font-size="10" font-weight="bold" text-anchor="start" x="54" y="104">A3</text>
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<text font-family="SansSerif" font-size="10" font-weight="bold" text-anchor="end" x="95" y="44">/0</text>
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<text font-family="SansSerif" font-size="10" font-weight="bold" text-anchor="end" x="95" y="54">/1</text>
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<text font-family="SansSerif" font-size="10" font-weight="bold" text-anchor="end" x="95" y="64">/2</text>
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<text font-family="SansSerif" font-size="10" font-weight="bold" text-anchor="end" x="95" y="74">/3</text>
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<text font-family="SansSerif" font-size="10" font-weight="bold" text-anchor="end" x="95" y="84">/4</text>
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<text font-family="SansSerif" font-size="10" font-weight="bold" text-anchor="end" x="95" y="94">/5</text>
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<text font-family="SansSerif" font-size="10" font-weight="bold" text-anchor="end" x="95" y="104">/6</text>
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<text font-family="SansSerif" font-size="10" font-weight="bold" text-anchor="end" x="95" y="114">/7</text>
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<text font-family="SansSerif" font-size="10" font-weight="bold" text-anchor="end" x="95" y="124">/8</text>
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<text font-family="SansSerif" font-size="10" font-weight="bold" text-anchor="end" x="95" y="134">/9</text>
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<text font-family="SansSerif" font-size="14" font-weight="bold" text-anchor="middle" x="74" y="24">74LS42</text>
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<circ-port height="8" pin="170,120" width="8" x="46" y="66"/>
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<circ-port height="8" pin="290,120" width="8" x="46" y="76"/>
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<circ-port height="8" pin="410,120" width="8" x="46" y="86"/>
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<circ-port height="8" pin="530,120" width="8" x="46" y="96"/>
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<circ-port height="10" pin="80,340" width="10" x="95" y="35"/>
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<circ-port height="10" pin="140,340" width="10" x="95" y="45"/>
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<circ-port height="10" pin="200,340" width="10" x="95" y="55"/>
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<circ-port height="10" pin="260,340" width="10" x="95" y="65"/>
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<circ-port height="10" pin="320,340" width="10" x="95" y="75"/>
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<circ-port height="10" pin="380,340" width="10" x="95" y="85"/>
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<circ-port height="10" pin="440,340" width="10" x="95" y="95"/>
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<circ-port height="10" pin="500,340" width="10" x="95" y="105"/>
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<circ-port height="10" pin="560,340" width="10" x="95" y="115"/>
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<circ-port height="10" pin="620,340" width="10" x="95" y="125"/>
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<circ-anchor facing="east" height="6" width="6" x="77" y="77"/>
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</appear>
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<wire from="(330,240)" to="(390,240)"/>
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<wire from="(190,220)" to="(190,290)"/>
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<wire from="(150,260)" to="(210,260)"/>
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<wire from="(480,160)" to="(530,160)"/>
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<wire from="(390,240)" to="(570,240)"/>
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<wire from="(400,280)" to="(400,290)"/>
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<wire from="(570,240)" to="(630,240)"/>
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<wire from="(550,260)" to="(610,260)"/>
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<wire from="(480,280)" to="(480,290)"/>
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<wire from="(280,280)" to="(280,290)"/>
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<wire from="(190,220)" to="(300,220)"/>
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<wire from="(210,260)" to="(250,260)"/>
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<wire from="(180,230)" to="(270,230)"/>
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<wire from="(300,220)" to="(450,220)"/>
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<wire from="(490,250)" to="(490,290)"/>
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<wire from="(370,210)" to="(520,210)"/>
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<wire from="(160,240)" to="(160,290)"/>
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<wire from="(410,250)" to="(420,250)"/>
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<wire from="(270,230)" to="(270,290)"/>
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<wire from="(430,230)" to="(430,290)"/>
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<wire from="(510,230)" to="(510,290)"/>
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<wire from="(90,240)" to="(160,240)"/>
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<wire from="(420,250)" to="(490,250)"/>
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<wire from="(280,280)" to="(340,280)"/>
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<wire from="(560,330)" to="(560,340)"/>
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<wire from="(400,280)" to="(460,280)"/>
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<wire from="(300,220)" to="(300,290)"/>
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<wire from="(100,220)" to="(100,290)"/>
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<wire from="(200,330)" to="(200,340)"/>
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<wire from="(360,250)" to="(410,250)"/>
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<wire from="(80,330)" to="(80,340)"/>
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<wire from="(440,330)" to="(440,340)"/>
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<wire from="(580,220)" to="(580,290)"/>
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<wire from="(320,330)" to="(320,340)"/>
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<wire from="(120,210)" to="(170,210)"/>
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<wire from="(370,210)" to="(370,290)"/>
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<wire from="(610,260)" to="(610,290)"/>
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<wire from="(540,270)" to="(540,290)"/>
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<wire from="(210,260)" to="(210,290)"/>
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<wire from="(250,260)" to="(250,290)"/>
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<wire from="(250,260)" to="(350,260)"/>
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<wire from="(230,240)" to="(330,240)"/>
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<wire from="(270,230)" to="(290,230)"/>
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<wire from="(360,250)" to="(360,290)"/>
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<wire from="(290,230)" to="(430,230)"/>
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<wire from="(70,260)" to="(150,260)"/>
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<wire from="(390,240)" to="(390,290)"/>
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<wire from="(160,240)" to="(230,240)"/>
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<wire from="(170,210)" to="(240,210)"/>
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<wire from="(630,240)" to="(630,290)"/>
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<wire from="(180,230)" to="(180,290)"/>
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<wire from="(480,160)" to="(480,280)"/>
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<wire from="(450,220)" to="(450,290)"/>
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<wire from="(350,160)" to="(410,160)"/>
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<wire from="(530,150)" to="(530,160)"/>
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<wire from="(230,160)" to="(290,160)"/>
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<wire from="(170,150)" to="(170,160)"/>
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<wire from="(220,280)" to="(220,290)"/>
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<wire from="(310,250)" to="(360,250)"/>
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<wire from="(60,280)" to="(60,290)"/>
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<wire from="(410,150)" to="(410,160)"/>
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<wire from="(540,270)" to="(600,270)"/>
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<wire from="(460,280)" to="(460,290)"/>
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<wire from="(290,150)" to="(290,160)"/>
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<wire from="(340,280)" to="(340,290)"/>
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<wire from="(120,210)" to="(120,290)"/>
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<wire from="(240,210)" to="(240,290)"/>
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<wire from="(230,160)" to="(230,240)"/>
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<wire from="(170,190)" to="(170,210)"/>
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<wire from="(520,210)" to="(520,290)"/>
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<wire from="(640,210)" to="(640,290)"/>
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<wire from="(350,160)" to="(350,260)"/>
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<wire from="(130,280)" to="(220,280)"/>
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<wire from="(310,250)" to="(310,290)"/>
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<wire from="(290,190)" to="(290,230)"/>
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<wire from="(430,230)" to="(510,230)"/>
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<wire from="(410,190)" to="(410,250)"/>
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<wire from="(100,160)" to="(100,220)"/>
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<wire from="(530,270)" to="(540,270)"/>
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<wire from="(520,210)" to="(640,210)"/>
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<wire from="(340,280)" to="(400,280)"/>
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<wire from="(530,120)" to="(530,130)"/>
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<wire from="(530,160)" to="(530,170)"/>
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<wire from="(620,330)" to="(620,340)"/>
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<wire from="(220,280)" to="(280,280)"/>
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<wire from="(170,120)" to="(170,130)"/>
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<wire from="(170,160)" to="(170,170)"/>
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<wire from="(140,330)" to="(140,340)"/>
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<wire from="(130,280)" to="(130,290)"/>
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<wire from="(410,120)" to="(410,130)"/>
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<wire from="(410,160)" to="(410,170)"/>
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<wire from="(500,330)" to="(500,340)"/>
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<wire from="(260,330)" to="(260,340)"/>
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<wire from="(290,120)" to="(290,130)"/>
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<wire from="(290,160)" to="(290,170)"/>
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<wire from="(380,330)" to="(380,340)"/>
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<wire from="(550,260)" to="(550,290)"/>
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<wire from="(530,190)" to="(530,270)"/>
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<wire from="(150,260)" to="(150,290)"/>
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<wire from="(600,270)" to="(600,290)"/>
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<wire from="(70,260)" to="(70,290)"/>
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<wire from="(100,220)" to="(190,220)"/>
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<wire from="(460,280)" to="(480,280)"/>
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<wire from="(420,250)" to="(420,290)"/>
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<wire from="(90,240)" to="(90,290)"/>
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<wire from="(330,240)" to="(330,290)"/>
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<wire from="(450,220)" to="(580,220)"/>
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<wire from="(570,240)" to="(570,290)"/>
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<wire from="(60,280)" to="(130,280)"/>
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<wire from="(100,160)" to="(170,160)"/>
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<wire from="(350,260)" to="(550,260)"/>
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<wire from="(240,210)" to="(370,210)"/>
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<comp lib="1" loc="(170,190)" name="NOT Gate">
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<a name="facing" val="south"/>
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<a name="size" val="20"/>
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</comp>
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<comp lib="1" loc="(410,150)" name="NOT Gate">
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<a name="facing" val="south"/>
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<a name="size" val="20"/>
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</comp>
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<comp lib="1" loc="(140,330)" name="NAND Gate">
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<a name="facing" val="south"/>
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<a name="size" val="30"/>
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<a name="inputs" val="4"/>
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</comp>
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<comp lib="1" loc="(200,330)" name="NAND Gate">
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<a name="facing" val="south"/>
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<a name="size" val="30"/>
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<a name="inputs" val="4"/>
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</comp>
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<comp lib="0" loc="(200,340)" name="Pin">
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<a name="facing" val="north"/>
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<a name="output" val="true"/>
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<a name="label" val="2"/>
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<a name="labelloc" val="south"/>
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</comp>
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<comp lib="1" loc="(320,330)" name="NAND Gate">
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<a name="facing" val="south"/>
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<a name="size" val="30"/>
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<a name="inputs" val="4"/>
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</comp>
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<comp lib="0" loc="(140,340)" name="Pin">
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<a name="facing" val="north"/>
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<a name="output" val="true"/>
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<a name="label" val="1"/>
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<a name="labelloc" val="south"/>
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</comp>
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<comp lib="1" loc="(260,330)" name="NAND Gate">
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<a name="facing" val="south"/>
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<a name="size" val="30"/>
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<a name="inputs" val="4"/>
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</comp>
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<comp lib="1" loc="(560,330)" name="NAND Gate">
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<a name="facing" val="south"/>
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<a name="size" val="30"/>
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<a name="inputs" val="4"/>
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</comp>
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<comp lib="0" loc="(410,120)" name="Pin">
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<a name="facing" val="south"/>
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<a name="tristate" val="false"/>
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<a name="label" val="A2"/>
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<a name="labelloc" val="north"/>
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</comp>
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<comp lib="1" loc="(380,330)" name="NAND Gate">
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<a name="facing" val="south"/>
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<a name="size" val="30"/>
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<a name="inputs" val="4"/>
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</comp>
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<comp lib="0" loc="(530,120)" name="Pin">
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<a name="facing" val="south"/>
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<a name="tristate" val="false"/>
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<a name="label" val="A3"/>
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<a name="labelloc" val="north"/>
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</comp>
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<comp lib="1" loc="(530,150)" name="NOT Gate">
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<a name="facing" val="south"/>
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<a name="size" val="20"/>
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</comp>
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<comp lib="1" loc="(80,330)" name="NAND Gate">
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<a name="facing" val="south"/>
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<a name="size" val="30"/>
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<a name="inputs" val="4"/>
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</comp>
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<comp lib="1" loc="(290,150)" name="NOT Gate">
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<a name="facing" val="south"/>
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<a name="size" val="20"/>
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</comp>
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<comp lib="0" loc="(500,340)" name="Pin">
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<a name="facing" val="north"/>
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<a name="output" val="true"/>
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<a name="label" val="7"/>
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<a name="labelloc" val="south"/>
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</comp>
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<comp lib="1" loc="(530,190)" name="NOT Gate">
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<a name="facing" val="south"/>
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<a name="size" val="20"/>
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</comp>
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<comp lib="1" loc="(500,330)" name="NAND Gate">
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<a name="facing" val="south"/>
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<a name="size" val="30"/>
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<a name="inputs" val="4"/>
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</comp>
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<comp lib="0" loc="(260,340)" name="Pin">
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<a name="facing" val="north"/>
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<a name="output" val="true"/>
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<a name="label" val="3"/>
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<a name="labelloc" val="south"/>
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</comp>
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<comp lib="1" loc="(290,190)" name="NOT Gate">
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<a name="facing" val="south"/>
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<a name="size" val="20"/>
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</comp>
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<comp lib="1" loc="(440,330)" name="NAND Gate">
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<a name="facing" val="south"/>
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<a name="size" val="30"/>
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<a name="inputs" val="4"/>
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</comp>
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<comp lib="0" loc="(440,340)" name="Pin">
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<a name="facing" val="north"/>
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<a name="output" val="true"/>
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<a name="label" val="6"/>
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<a name="labelloc" val="south"/>
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</comp>
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<comp lib="0" loc="(620,340)" name="Pin">
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<a name="facing" val="north"/>
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<a name="output" val="true"/>
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<a name="label" val="9"/>
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<a name="labelloc" val="south"/>
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</comp>
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<comp lib="1" loc="(620,330)" name="NAND Gate">
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<a name="facing" val="south"/>
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<a name="size" val="30"/>
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<a name="inputs" val="4"/>
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</comp>
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<comp lib="1" loc="(170,150)" name="NOT Gate">
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<a name="facing" val="south"/>
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<a name="size" val="20"/>
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</comp>
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<comp lib="0" loc="(380,340)" name="Pin">
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<a name="facing" val="north"/>
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<a name="output" val="true"/>
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<a name="label" val="5"/>
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<a name="labelloc" val="south"/>
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</comp>
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<comp lib="6" loc="(146,66)" name="Text">
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<a name="text" val="74LS42"/>
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<a name="font" val="SansSerif bold 24"/>
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</comp>
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<comp lib="0" loc="(80,340)" name="Pin">
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<a name="facing" val="north"/>
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<a name="output" val="true"/>
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<a name="label" val="0"/>
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<a name="labelloc" val="south"/>
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</comp>
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<comp lib="0" loc="(560,340)" name="Pin">
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<a name="facing" val="north"/>
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<a name="output" val="true"/>
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<a name="label" val="8"/>
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<a name="labelloc" val="south"/>
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</comp>
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<comp lib="1" loc="(410,190)" name="NOT Gate">
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<a name="facing" val="south"/>
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|
<a name="size" val="20"/>
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</comp>
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|
<comp lib="0" loc="(290,120)" name="Pin">
|
|
<a name="facing" val="south"/>
|
|
<a name="tristate" val="false"/>
|
|
<a name="label" val="A1"/>
|
|
<a name="labelloc" val="north"/>
|
|
</comp>
|
|
<comp lib="0" loc="(170,120)" name="Pin">
|
|
<a name="facing" val="south"/>
|
|
<a name="tristate" val="false"/>
|
|
<a name="label" val="A0"/>
|
|
<a name="labelloc" val="north"/>
|
|
</comp>
|
|
<comp lib="0" loc="(320,340)" name="Pin">
|
|
<a name="facing" val="north"/>
|
|
<a name="output" val="true"/>
|
|
<a name="label" val="4"/>
|
|
<a name="labelloc" val="south"/>
|
|
</comp>
|
|
</circuit>
|
|
</project>
|