315 lines
13 KiB
XML
315 lines
13 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="AND Gate">
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<a name="inputs" val="3"/>
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<a name="negate0" val="true"/>
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<a name="negate1" val="true"/>
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<a name="negate2" val="true"/>
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</tool>
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<tool name="NAND Gate">
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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 plain 12"/>
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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="74LS138"/>
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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 plain 12"/>
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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="west"/>
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<a name="output" val="true"/>
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<a name="labelloc" val="east"/>
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</tool>
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<tool lib="1" name="NOT Gate"/>
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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="74LS138">
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<a name="circuit" val="74LS138"/>
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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="90" stroke="#000000" stroke-width="2" width="70" x="50" y="50"/>
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<text font-family="SansSerif" font-size="10" font-weight="bold" text-anchor="start" x="55" y="63">G1</text>
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<text font-family="SansSerif" font-size="10" font-weight="bold" text-anchor="start" x="55" y="73">/G2A</text>
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<text font-family="SansSerif" font-size="10" font-weight="bold" text-anchor="start" x="55" y="83">/G2B</text>
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<text font-family="SansSerif" font-size="10" font-weight="bold" text-anchor="start" x="55" y="103">A</text>
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<text font-family="SansSerif" font-size="10" font-weight="bold" text-anchor="start" x="55" y="113">B</text>
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<text font-family="SansSerif" font-size="10" font-weight="bold" text-anchor="start" x="55" y="123">C</text>
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<text font-family="SansSerif" font-size="10" font-weight="bold" text-anchor="end" x="114" y="64">/Y0</text>
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<text font-family="SansSerif" font-size="10" font-weight="bold" text-anchor="end" x="115" y="74">/Y1</text>
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<text font-family="SansSerif" font-size="10" font-weight="bold" text-anchor="end" x="115" y="84">/Y2</text>
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<text font-family="SansSerif" font-size="10" font-weight="bold" text-anchor="end" x="115" y="94">/Y3</text>
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<text font-family="SansSerif" font-size="10" font-weight="bold" text-anchor="end" x="115" y="104">/Y4</text>
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<text font-family="SansSerif" font-size="10" font-weight="bold" text-anchor="end" x="115" y="114">/Y5</text>
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<text font-family="SansSerif" font-size="10" font-weight="bold" text-anchor="end" x="115" y="124">/Y6</text>
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<text font-family="SansSerif" font-size="10" font-weight="bold" text-anchor="end" x="115" y="134">/Y7</text>
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<text font-family="SansSerif" font-size="14" font-weight="bold" text-anchor="middle" x="84" y="46">74LS138</text>
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<circ-port height="8" pin="220,260" width="8" x="46" y="56"/>
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<circ-port height="8" pin="220,280" width="8" x="46" y="66"/>
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<circ-port height="8" pin="220,300" width="8" x="46" y="76"/>
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<circ-port height="8" pin="220,480" width="8" x="46" y="96"/>
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<circ-port height="8" pin="220,550" width="8" x="46" y="106"/>
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<circ-port height="8" pin="220,630" width="8" x="46" y="116"/>
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<circ-port height="10" pin="630,120" width="10" x="115" y="55"/>
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<circ-port height="10" pin="630,190" width="10" x="115" y="65"/>
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<circ-port height="10" pin="630,260" width="10" x="115" y="75"/>
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<circ-port height="10" pin="630,330" width="10" x="115" y="85"/>
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<circ-port height="10" pin="630,400" width="10" x="115" y="95"/>
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<circ-port height="10" pin="630,470" width="10" x="115" y="105"/>
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<circ-port height="10" pin="630,540" width="10" x="115" y="115"/>
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<circ-port height="10" pin="630,610" width="10" x="115" y="125"/>
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<circ-anchor facing="east" height="6" width="6" x="77" y="87"/>
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</appear>
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<wire from="(420,270)" to="(420,340)"/>
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<wire from="(420,130)" to="(420,200)"/>
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<wire from="(400,110)" to="(400,180)"/>
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<wire from="(340,550)" to="(400,550)"/>
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<wire from="(510,320)" to="(570,320)"/>
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<wire from="(380,380)" to="(570,380)"/>
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<wire from="(380,520)" to="(570,520)"/>
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<wire from="(380,100)" to="(570,100)"/>
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<wire from="(380,240)" to="(570,240)"/>
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<wire from="(380,100)" to="(380,240)"/>
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<wire from="(380,240)" to="(380,380)"/>
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<wire from="(490,170)" to="(490,310)"/>
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<wire from="(510,600)" to="(570,600)"/>
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<wire from="(550,280)" to="(550,350)"/>
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<wire from="(550,420)" to="(550,490)"/>
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<wire from="(550,140)" to="(550,210)"/>
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<wire from="(530,460)" to="(530,530)"/>
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<wire from="(530,460)" to="(570,460)"/>
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<wire from="(400,180)" to="(570,180)"/>
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<wire from="(400,550)" to="(440,550)"/>
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<wire from="(510,320)" to="(510,550)"/>
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<wire from="(400,450)" to="(400,550)"/>
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<wire from="(550,420)" to="(570,420)"/>
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<wire from="(550,140)" to="(570,140)"/>
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<wire from="(550,560)" to="(570,560)"/>
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<wire from="(550,280)" to="(570,280)"/>
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<wire from="(420,340)" to="(420,630)"/>
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<wire from="(220,550)" to="(310,550)"/>
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<wire from="(610,540)" to="(630,540)"/>
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<wire from="(610,400)" to="(630,400)"/>
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<wire from="(610,120)" to="(630,120)"/>
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<wire from="(610,260)" to="(630,260)"/>
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<wire from="(270,260)" to="(290,260)"/>
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<wire from="(420,630)" to="(440,630)"/>
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<wire from="(470,480)" to="(490,480)"/>
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<wire from="(420,340)" to="(570,340)"/>
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<wire from="(420,200)" to="(570,200)"/>
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<wire from="(490,310)" to="(490,480)"/>
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<wire from="(380,480)" to="(380,520)"/>
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<wire from="(270,630)" to="(420,630)"/>
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<wire from="(220,630)" to="(240,630)"/>
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<wire from="(510,550)" to="(510,600)"/>
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<wire from="(490,310)" to="(570,310)"/>
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<wire from="(490,170)" to="(570,170)"/>
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<wire from="(530,410)" to="(530,460)"/>
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<wire from="(420,200)" to="(420,270)"/>
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<wire from="(510,250)" to="(510,320)"/>
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<wire from="(380,480)" to="(440,480)"/>
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<wire from="(470,630)" to="(530,630)"/>
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<wire from="(510,250)" to="(570,250)"/>
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<wire from="(490,480)" to="(490,620)"/>
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<wire from="(510,550)" to="(570,550)"/>
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<wire from="(550,490)" to="(550,560)"/>
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<wire from="(550,350)" to="(550,420)"/>
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<wire from="(550,210)" to="(550,280)"/>
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<wire from="(530,630)" to="(570,630)"/>
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<wire from="(530,410)" to="(570,410)"/>
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<wire from="(530,530)" to="(570,530)"/>
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<wire from="(400,110)" to="(570,110)"/>
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<wire from="(400,390)" to="(570,390)"/>
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<wire from="(400,450)" to="(570,450)"/>
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<wire from="(400,180)" to="(400,390)"/>
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<wire from="(550,560)" to="(550,590)"/>
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<wire from="(340,480)" to="(380,480)"/>
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<wire from="(470,550)" to="(510,550)"/>
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<wire from="(380,380)" to="(380,480)"/>
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<wire from="(550,590)" to="(570,590)"/>
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<wire from="(550,490)" to="(570,490)"/>
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<wire from="(550,350)" to="(570,350)"/>
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<wire from="(550,210)" to="(570,210)"/>
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<wire from="(220,480)" to="(310,480)"/>
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<wire from="(610,610)" to="(630,610)"/>
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<wire from="(610,470)" to="(630,470)"/>
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<wire from="(610,330)" to="(630,330)"/>
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<wire from="(610,190)" to="(630,190)"/>
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<wire from="(530,530)" to="(530,630)"/>
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<wire from="(420,130)" to="(570,130)"/>
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<wire from="(420,270)" to="(570,270)"/>
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<wire from="(220,260)" to="(240,260)"/>
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<wire from="(490,620)" to="(570,620)"/>
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<wire from="(490,480)" to="(570,480)"/>
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<wire from="(220,280)" to="(290,280)"/>
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<wire from="(220,300)" to="(290,300)"/>
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<wire from="(400,390)" to="(400,450)"/>
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<wire from="(350,280)" to="(550,280)"/>
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<comp lib="0" loc="(630,260)" name="Pin">
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<a name="facing" val="west"/>
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<a name="output" val="true"/>
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<a name="label" val="Y2"/>
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<a name="labelloc" val="east"/>
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</comp>
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<comp lib="0" loc="(220,630)" name="Pin">
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<a name="tristate" val="false"/>
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<a name="label" val="C"/>
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</comp>
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<comp lib="0" loc="(630,540)" name="Pin">
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<a name="facing" val="west"/>
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<a name="output" val="true"/>
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<a name="label" val="Y6"/>
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<a name="labelloc" val="east"/>
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</comp>
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<comp lib="0" loc="(630,330)" name="Pin">
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<a name="facing" val="west"/>
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<a name="output" val="true"/>
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<a name="label" val="Y3"/>
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<a name="labelloc" val="east"/>
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</comp>
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<comp lib="6" loc="(286,92)" name="Text">
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<a name="text" val="74LS138"/>
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<a name="font" val="SansSerif bold 24"/>
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</comp>
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<comp lib="0" loc="(630,470)" name="Pin">
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<a name="facing" val="west"/>
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<a name="output" val="true"/>
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<a name="label" val="Y5"/>
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<a name="labelloc" val="east"/>
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</comp>
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<comp lib="0" loc="(630,610)" name="Pin">
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<a name="facing" val="west"/>
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<a name="output" val="true"/>
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<a name="label" val="Y7"/>
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<a name="labelloc" val="east"/>
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</comp>
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<comp lib="1" loc="(470,550)" name="NOT Gate"/>
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<comp lib="0" loc="(220,480)" name="Pin">
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<a name="tristate" val="false"/>
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<a name="label" val="A"/>
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</comp>
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<comp lib="1" loc="(610,400)" name="NAND Gate">
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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="(270,260)" name="NOT Gate"/>
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<comp lib="0" loc="(630,120)" name="Pin">
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<a name="facing" val="west"/>
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<a name="output" val="true"/>
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<a name="label" val="Y0"/>
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<a name="labelloc" val="east"/>
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</comp>
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<comp lib="0" loc="(220,550)" name="Pin">
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<a name="tristate" val="false"/>
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<a name="label" val="B"/>
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</comp>
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<comp lib="1" loc="(610,190)" name="NAND Gate">
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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="(270,630)" name="NOT Gate"/>
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<comp lib="1" loc="(340,550)" name="NOT Gate"/>
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<comp lib="1" loc="(610,470)" name="NAND Gate">
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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="(220,280)" name="Pin">
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<a name="tristate" val="false"/>
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<a name="label" val="/G2 A"/>
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</comp>
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<comp lib="0" loc="(220,260)" name="Pin">
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<a name="tristate" val="false"/>
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<a name="label" val="G1"/>
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</comp>
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<comp lib="1" loc="(350,280)" name="AND Gate">
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<a name="inputs" val="3"/>
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<a name="negate0" val="true"/>
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<a name="negate1" val="true"/>
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<a name="negate2" val="true"/>
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</comp>
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<comp lib="1" loc="(610,120)" name="NAND Gate">
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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="(610,330)" name="NAND Gate">
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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="(630,190)" name="Pin">
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<a name="facing" val="west"/>
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<a name="output" val="true"/>
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<a name="label" val="Y1"/>
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<a name="labelloc" val="east"/>
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</comp>
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<comp lib="1" loc="(340,480)" name="NOT Gate"/>
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<comp lib="1" loc="(470,630)" name="NOT Gate"/>
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<comp lib="0" loc="(220,300)" name="Pin">
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<a name="tristate" val="false"/>
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<a name="label" val="/G2 B"/>
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</comp>
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<comp lib="0" loc="(630,400)" name="Pin">
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<a name="facing" val="west"/>
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<a name="output" val="true"/>
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<a name="label" val="Y4"/>
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<a name="labelloc" val="east"/>
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</comp>
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<comp lib="1" loc="(610,540)" name="NAND Gate">
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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="(610,610)" name="NAND Gate">
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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="(610,260)" name="NAND Gate">
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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="(470,480)" name="NOT Gate"/>
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</circuit>
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</project>
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