218 lines
9.0 KiB
XML
218 lines
9.0 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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<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="74LS258"/>
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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="74LS258">
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<a name="circuit" val="74LS258"/>
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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="160" 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/B</text>
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<text font-family="SansSerif" font-size="10" font-weight="bold" text-anchor="start" x="54" y="104">1A</text>
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<text font-family="SansSerif" font-size="10" font-weight="bold" text-anchor="start" x="54" y="114">1B</text>
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<text font-family="SansSerif" font-size="10" font-weight="bold" text-anchor="start" x="54" y="134">2A</text>
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<text font-family="SansSerif" font-size="10" font-weight="bold" text-anchor="start" x="54" y="144">2B</text>
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<text font-family="SansSerif" font-size="10" font-weight="bold" text-anchor="start" x="54" y="164">3A</text>
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<text font-family="SansSerif" font-size="10" font-weight="bold" text-anchor="start" x="54" y="174">3B</text>
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<text font-family="SansSerif" font-size="10" font-weight="bold" text-anchor="start" x="54" y="194">4A</text>
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<text font-family="SansSerif" font-size="10" font-weight="bold" text-anchor="start" x="54" y="204">4B</text>
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<text font-family="SansSerif" font-size="10" font-weight="bold" text-anchor="start" x="88" y="104">1/Y</text>
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<text font-family="SansSerif" font-size="10" font-weight="bold" text-anchor="start" x="88" y="134">2/Y</text>
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<text font-family="SansSerif" font-size="10" font-weight="bold" text-anchor="start" x="88" y="164">3/Y</text>
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<text font-family="SansSerif" font-size="10" font-weight="bold" text-anchor="start" x="88" y="194">4/Y</text>
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<polyline fill="none" points="55,55 61,55" stroke="#000000"/>
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<polyline fill="none" points="61,75 55,75" stroke="#000000"/>
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<text font-family="SansSerif" font-size="12" font-weight="bold" text-anchor="start" x="50" y="46">74LS258</text>
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<circ-port height="8" pin="90,100" width="8" x="46" y="96"/>
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<circ-port height="8" pin="260,100" width="8" x="46" y="126"/>
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<circ-port height="8" pin="430,100" width="8" x="46" y="156"/>
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<circ-port height="8" pin="600,100" width="8" x="46" y="186"/>
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<circ-port height="8" pin="90,120" width="8" x="46" y="106"/>
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<circ-port height="8" pin="260,120" width="8" x="46" y="136"/>
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<circ-port height="8" pin="430,120" width="8" x="46" y="166"/>
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<circ-port height="8" pin="600,120" width="8" x="46" y="196"/>
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<circ-port height="8" pin="90,150" width="8" x="46" y="76"/>
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<circ-port height="8" pin="90,180" width="8" x="46" y="56"/>
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<circ-port height="10" pin="170,110" width="10" x="105" y="95"/>
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<circ-port height="10" pin="340,110" width="10" x="105" y="125"/>
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<circ-port height="10" pin="510,110" width="10" x="105" y="155"/>
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<circ-port height="10" pin="680,110" width="10" x="105" y="185"/>
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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="(280,130)" to="(280,150)"/>
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<wire from="(450,150)" to="(620,150)"/>
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<wire from="(490,180)" to="(660,180)"/>
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<wire from="(450,130)" to="(450,150)"/>
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<wire from="(280,150)" to="(450,150)"/>
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<wire from="(320,180)" to="(490,180)"/>
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<wire from="(150,180)" to="(320,180)"/>
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<wire from="(110,130)" to="(110,150)"/>
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<wire from="(110,150)" to="(280,150)"/>
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<wire from="(620,130)" to="(620,150)"/>
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<wire from="(120,180)" to="(150,180)"/>
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<wire from="(90,150)" to="(110,150)"/>
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<wire from="(430,120)" to="(440,120)"/>
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<wire from="(430,100)" to="(440,100)"/>
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<wire from="(470,110)" to="(480,110)"/>
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<wire from="(300,110)" to="(310,110)"/>
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<wire from="(130,110)" to="(140,110)"/>
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<wire from="(260,120)" to="(270,120)"/>
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<wire from="(260,100)" to="(270,100)"/>
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<wire from="(660,120)" to="(660,180)"/>
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<wire from="(90,120)" to="(100,120)"/>
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<wire from="(90,100)" to="(100,100)"/>
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<wire from="(90,180)" to="(100,180)"/>
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<wire from="(320,120)" to="(320,180)"/>
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<wire from="(490,120)" to="(490,180)"/>
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<wire from="(150,120)" to="(150,180)"/>
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<wire from="(600,100)" to="(610,100)"/>
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<wire from="(600,120)" to="(610,120)"/>
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<wire from="(640,110)" to="(650,110)"/>
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<comp lib="1" loc="(510,110)" name="Controlled Inverter"/>
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<comp lib="0" loc="(430,100)" name="Pin">
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<a name="tristate" val="false"/>
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<a name="label" val="3A"/>
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</comp>
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<comp lib="0" loc="(90,120)" name="Pin">
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<a name="tristate" val="false"/>
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<a name="label" val="1B"/>
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</comp>
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<comp lib="0" loc="(260,100)" name="Pin">
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<a name="tristate" val="false"/>
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<a name="label" val="2A"/>
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</comp>
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<comp lib="0" loc="(680,110)" 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="4Y"/>
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<a name="labelloc" val="east"/>
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</comp>
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<comp lib="2" loc="(300,110)" name="Multiplexer">
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<a name="enable" val="false"/>
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</comp>
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<comp lib="0" loc="(90,180)" 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="6" loc="(120,65)" name="Text">
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<a name="text" val="74LS258"/>
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<a name="font" val="SansSerif bold 24"/>
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</comp>
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<comp lib="0" loc="(340,110)" 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="2Y"/>
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<a name="labelloc" val="east"/>
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</comp>
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<comp lib="0" loc="(90,100)" name="Pin">
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<a name="tristate" val="false"/>
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<a name="label" val="1A"/>
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</comp>
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<comp lib="0" loc="(260,120)" name="Pin">
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<a name="tristate" val="false"/>
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<a name="label" val="2B"/>
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</comp>
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<comp lib="0" loc="(170,110)" 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="1Y"/>
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<a name="labelloc" val="east"/>
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</comp>
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<comp lib="2" loc="(640,110)" name="Multiplexer">
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<a name="enable" val="false"/>
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</comp>
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<comp lib="1" loc="(170,110)" name="Controlled Inverter"/>
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<comp lib="0" loc="(430,120)" name="Pin">
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<a name="tristate" val="false"/>
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<a name="label" val="3B"/>
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</comp>
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<comp lib="0" loc="(600,100)" name="Pin">
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<a name="tristate" val="false"/>
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<a name="label" val="4A"/>
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</comp>
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<comp lib="2" loc="(470,110)" name="Multiplexer">
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<a name="enable" val="false"/>
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</comp>
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<comp lib="2" loc="(130,110)" name="Multiplexer">
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<a name="enable" val="false"/>
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</comp>
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<comp lib="0" loc="(90,150)" name="Pin">
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<a name="tristate" val="false"/>
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<a name="label" val="/A/B"/>
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</comp>
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<comp lib="0" loc="(600,120)" name="Pin">
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<a name="tristate" val="false"/>
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<a name="label" val="4B"/>
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</comp>
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<comp lib="0" loc="(510,110)" 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="3Y"/>
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<a name="labelloc" val="east"/>
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</comp>
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<comp lib="1" loc="(680,110)" name="Controlled Inverter"/>
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<comp lib="1" loc="(120,180)" name="NOT Gate">
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<a name="size" val="20"/>
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</comp>
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<comp lib="1" loc="(340,110)" name="Controlled Inverter"/>
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</circuit>
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</project>
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