296 lines
13 KiB
XML
296 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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<tool name="Splitter">
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<a name="facing" val="west"/>
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<a name="fanout" val="4"/>
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<a name="incoming" val="4"/>
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<a name="appear" val="center"/>
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</tool>
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<tool name="Pin">
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<a name="output" val="true"/>
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</tool>
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</lib>
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<lib desc="#Gates" name="1"/>
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<lib desc="#Plexers" name="2">
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<tool name="Multiplexer">
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<a name="select" val="4"/>
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</tool>
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</lib>
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<lib desc="#Arithmetic" name="3"/>
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<lib desc="#Memory" name="4"/>
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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="74LS250"/>
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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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<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="74LS250">
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<a name="circuit" val="74LS250"/>
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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="240" stroke="#000000" stroke-width="2" width="60" x="50" y="50"/>
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<text font-family="SansSerif" font-size="10" font-weight="bold" text-anchor="start" x="54" y="64">G</text>
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<text font-family="SansSerif" font-size="10" font-weight="bold" text-anchor="start" x="54" y="84">A</text>
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<text font-family="SansSerif" font-size="10" font-weight="bold" text-anchor="start" x="54" y="94">B</text>
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<text font-family="SansSerif" font-size="10" font-weight="bold" text-anchor="start" x="54" y="104">C</text>
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<text font-family="SansSerif" font-size="10" font-weight="bold" text-anchor="start" x="54" y="114">D</text>
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<text font-family="SansSerif" font-size="10" font-weight="bold" text-anchor="start" x="54" y="134">E0</text>
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<text font-family="SansSerif" font-size="10" font-weight="bold" text-anchor="start" x="54" y="144">E1</text>
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<text font-family="SansSerif" font-size="10" font-weight="bold" text-anchor="start" x="54" y="154">E2</text>
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<text font-family="SansSerif" font-size="10" font-weight="bold" text-anchor="start" x="54" y="164">E3</text>
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<text font-family="SansSerif" font-size="10" font-weight="bold" text-anchor="start" x="54" y="174">E4</text>
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<text font-family="SansSerif" font-size="10" font-weight="bold" text-anchor="start" x="54" y="184">E5</text>
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<text font-family="SansSerif" font-size="10" font-weight="bold" text-anchor="start" x="54" y="194">E6</text>
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<text font-family="SansSerif" font-size="10" font-weight="bold" text-anchor="start" x="54" y="204">E7</text>
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<text font-family="SansSerif" font-size="10" font-weight="bold" text-anchor="start" x="54" y="214">E8</text>
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<text font-family="SansSerif" font-size="10" font-weight="bold" text-anchor="start" x="54" y="224">E9</text>
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<text font-family="SansSerif" font-size="10" font-weight="bold" text-anchor="start" x="54" y="234">E10</text>
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<text font-family="SansSerif" font-size="10" font-weight="bold" text-anchor="start" x="54" y="244">E11</text>
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<text font-family="SansSerif" font-size="10" font-weight="bold" text-anchor="start" x="54" y="254">E12</text>
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<text font-family="SansSerif" font-size="10" font-weight="bold" text-anchor="start" x="54" y="264">E13</text>
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<text font-family="SansSerif" font-size="10" font-weight="bold" text-anchor="start" x="54" y="274">E14</text>
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<text font-family="SansSerif" font-size="10" font-weight="bold" text-anchor="start" x="54" y="284">E15</text>
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<text font-family="SansSerif" font-size="10" font-weight="bold" text-anchor="start" x="94" y="214">W</text>
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<polyline fill="none" points="94,205 105,205" stroke="#000000"/>
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<polyline fill="none" points="55,55 61,55" stroke="#000000"/>
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<text font-family="SansSerif" font-size="12" font-weight="bold" text-anchor="start" x="49" y="45">74LS250</text>
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<circ-port height="8" pin="70,60" width="8" x="46" y="126"/>
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<circ-port height="8" pin="70,80" width="8" x="46" y="136"/>
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<circ-port height="8" pin="70,100" width="8" x="46" y="146"/>
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<circ-port height="8" pin="70,120" width="8" x="46" y="156"/>
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<circ-port height="8" pin="70,140" width="8" x="46" y="166"/>
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<circ-port height="8" pin="70,160" width="8" x="46" y="176"/>
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<circ-port height="8" pin="70,180" width="8" x="46" y="186"/>
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<circ-port height="8" pin="70,200" width="8" x="46" y="196"/>
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<circ-port height="8" pin="70,220" width="8" x="46" y="206"/>
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<circ-port height="8" pin="70,240" width="8" x="46" y="216"/>
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<circ-port height="8" pin="70,260" width="8" x="46" y="226"/>
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<circ-port height="8" pin="70,280" width="8" x="46" y="236"/>
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<circ-port height="8" pin="70,300" width="8" x="46" y="246"/>
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<circ-port height="8" pin="70,320" width="8" x="46" y="256"/>
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<circ-port height="8" pin="70,340" width="8" x="46" y="266"/>
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<circ-port height="8" pin="70,360" width="8" x="46" y="276"/>
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<circ-port height="8" pin="70,390" width="8" x="46" y="76"/>
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<circ-port height="8" pin="70,410" width="8" x="46" y="86"/>
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<circ-port height="8" pin="70,430" width="8" x="46" y="96"/>
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<circ-port height="8" pin="70,450" width="8" x="46" y="106"/>
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<circ-port height="8" pin="70,480" width="8" x="46" y="56"/>
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<circ-port height="10" pin="320,140" width="10" x="105" y="205"/>
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<circ-anchor facing="east" height="6" width="6" x="77" y="117"/>
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</appear>
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<wire from="(100,480)" to="(290,480)"/>
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<wire from="(140,130)" to="(140,200)"/>
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<wire from="(70,180)" to="(130,180)"/>
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<wire from="(170,160)" to="(230,160)"/>
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<wire from="(100,420)" to="(220,420)"/>
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<wire from="(80,400)" to="(80,410)"/>
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<wire from="(150,140)" to="(150,220)"/>
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<wire from="(70,280)" to="(180,280)"/>
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<wire from="(120,110)" to="(230,110)"/>
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<wire from="(90,410)" to="(90,430)"/>
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<wire from="(160,150)" to="(160,240)"/>
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<wire from="(70,140)" to="(110,140)"/>
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<wire from="(190,180)" to="(230,180)"/>
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<wire from="(100,420)" to="(100,450)"/>
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<wire from="(70,60)" to="(230,60)"/>
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<wire from="(70,450)" to="(100,450)"/>
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<wire from="(140,130)" to="(230,130)"/>
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<wire from="(170,160)" to="(170,260)"/>
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<wire from="(70,240)" to="(160,240)"/>
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<wire from="(70,390)" to="(220,390)"/>
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<wire from="(180,170)" to="(180,280)"/>
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<wire from="(70,100)" to="(90,100)"/>
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<wire from="(210,200)" to="(230,200)"/>
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<wire from="(90,80)" to="(230,80)"/>
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<wire from="(70,340)" to="(210,340)"/>
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<wire from="(70,410)" to="(80,410)"/>
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<wire from="(160,150)" to="(230,150)"/>
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<wire from="(190,180)" to="(190,300)"/>
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<wire from="(70,200)" to="(140,200)"/>
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<wire from="(90,410)" to="(220,410)"/>
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<wire from="(200,190)" to="(200,320)"/>
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<wire from="(70,300)" to="(190,300)"/>
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<wire from="(110,100)" to="(230,100)"/>
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<wire from="(80,70)" to="(80,80)"/>
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<wire from="(180,170)" to="(230,170)"/>
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<wire from="(290,150)" to="(290,480)"/>
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<wire from="(70,160)" to="(120,160)"/>
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<wire from="(210,200)" to="(210,340)"/>
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<wire from="(90,80)" to="(90,100)"/>
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<wire from="(220,210)" to="(220,360)"/>
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<wire from="(70,260)" to="(170,260)"/>
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<wire from="(130,120)" to="(230,120)"/>
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<wire from="(100,90)" to="(100,120)"/>
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<wire from="(200,190)" to="(230,190)"/>
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<wire from="(70,120)" to="(100,120)"/>
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<wire from="(110,100)" to="(110,140)"/>
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<wire from="(80,70)" to="(230,70)"/>
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<wire from="(70,360)" to="(220,360)"/>
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<wire from="(70,430)" to="(90,430)"/>
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<wire from="(70,220)" to="(150,220)"/>
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<wire from="(150,140)" to="(230,140)"/>
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<wire from="(270,140)" to="(280,140)"/>
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<wire from="(310,140)" to="(320,140)"/>
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<wire from="(120,110)" to="(120,160)"/>
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<wire from="(220,210)" to="(230,210)"/>
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<wire from="(240,410)" to="(250,410)"/>
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<wire from="(80,400)" to="(220,400)"/>
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<wire from="(70,80)" to="(80,80)"/>
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<wire from="(70,480)" to="(80,480)"/>
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<wire from="(250,220)" to="(250,410)"/>
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<wire from="(130,120)" to="(130,180)"/>
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<wire from="(70,320)" to="(200,320)"/>
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<wire from="(100,90)" to="(230,90)"/>
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<comp lib="0" loc="(70,80)" name="Pin">
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<a name="tristate" val="false"/>
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<a name="label" val="E1"/>
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</comp>
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<comp lib="0" loc="(70,300)" name="Pin">
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<a name="tristate" val="false"/>
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<a name="label" val="E12"/>
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</comp>
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<comp lib="0" loc="(70,390)" 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="0" loc="(70,450)" name="Pin">
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<a name="tristate" val="false"/>
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<a name="label" val="D"/>
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</comp>
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<comp lib="0" loc="(70,240)" name="Pin">
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<a name="tristate" val="false"/>
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<a name="label" val="E9"/>
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</comp>
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<comp lib="2" loc="(270,140)" name="Multiplexer">
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<a name="select" val="4"/>
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<a name="enable" val="false"/>
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</comp>
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<comp lib="6" loc="(143,36)" name="Text">
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<a name="text" val="74LS250"/>
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<a name="font" val="SansSerif bold 24"/>
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</comp>
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<comp lib="0" loc="(70,480)" name="Pin">
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<a name="tristate" val="false"/>
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<a name="label" val="/G"/>
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</comp>
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<comp lib="0" loc="(70,280)" name="Pin">
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<a name="tristate" val="false"/>
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<a name="label" val="E11"/>
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</comp>
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<comp lib="1" loc="(100,480)" name="NOT Gate">
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<a name="size" val="20"/>
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</comp>
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<comp lib="0" loc="(70,180)" name="Pin">
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<a name="tristate" val="false"/>
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<a name="label" val="E6"/>
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</comp>
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<comp lib="0" loc="(240,410)" name="Splitter">
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<a name="facing" val="west"/>
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<a name="fanout" val="4"/>
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<a name="incoming" val="4"/>
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<a name="appear" val="center"/>
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</comp>
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<comp lib="0" loc="(70,320)" name="Pin">
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<a name="tristate" val="false"/>
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<a name="label" val="E13"/>
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</comp>
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<comp lib="0" loc="(70,360)" name="Pin">
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<a name="tristate" val="false"/>
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<a name="label" val="E15"/>
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</comp>
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<comp lib="0" loc="(70,60)" name="Pin">
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<a name="tristate" val="false"/>
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<a name="label" val="E0"/>
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</comp>
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<comp lib="0" loc="(320,140)" 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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</comp>
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<comp lib="0" loc="(70,100)" name="Pin">
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<a name="tristate" val="false"/>
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<a name="label" val="E2"/>
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</comp>
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<comp lib="0" loc="(70,340)" name="Pin">
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<a name="tristate" val="false"/>
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<a name="label" val="E14"/>
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</comp>
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<comp lib="0" loc="(70,430)" 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="(70,200)" name="Pin">
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<a name="tristate" val="false"/>
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<a name="label" val="E7"/>
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</comp>
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<comp lib="0" loc="(70,160)" name="Pin">
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<a name="tristate" val="false"/>
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<a name="label" val="E5"/>
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</comp>
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<comp lib="1" loc="(310,140)" name="Controlled Inverter"/>
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<comp lib="0" loc="(70,410)" 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="0" loc="(70,260)" name="Pin">
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<a name="tristate" val="false"/>
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<a name="label" val="E10"/>
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</comp>
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<comp lib="0" loc="(70,140)" name="Pin">
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<a name="tristate" val="false"/>
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<a name="label" val="E4"/>
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</comp>
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<comp lib="0" loc="(70,220)" name="Pin">
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<a name="tristate" val="false"/>
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<a name="label" val="E8"/>
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</comp>
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<comp lib="0" loc="(70,120)" name="Pin">
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<a name="tristate" val="false"/>
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<a name="label" val="E3"/>
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</comp>
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</circuit>
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</project>
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