200 lines
8.5 KiB
XML
200 lines
8.5 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="Pull Resistor">
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<a name="pull" val="1"/>
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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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<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="74LS74"/>
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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="74LS74">
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<a name="circuit" val="74LS74"/>
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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="170" stroke="#000000" stroke-width="2" width="80" x="50" y="50"/>
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<text font-family="SansSerif" font-size="10" font-weight="bold" text-anchor="middle" x="68" y="64">1CLK</text>
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<text font-family="SansSerif" font-size="10" font-weight="bold" text-anchor="middle" x="61" y="84">1D</text>
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<text font-family="SansSerif" font-size="10" font-weight="bold" text-anchor="middle" x="68" y="104">1PRE</text>
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<text font-family="SansSerif" font-size="10" font-weight="bold" text-anchor="middle" x="68" y="124">1CLR</text>
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<text font-family="SansSerif" font-size="10" font-weight="bold" text-anchor="middle" x="117" y="74">1Q</text>
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<text font-family="SansSerif" font-size="10" font-weight="bold" text-anchor="middle" x="117" y="114">1Q</text>
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<text font-family="SansSerif" font-size="10" font-weight="bold" text-anchor="middle" x="120" y="103">_</text>
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<text font-family="SansSerif" font-size="10" font-weight="bold" text-anchor="middle" x="72" y="93">____</text>
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<text font-family="SansSerif" font-size="10" font-weight="bold" text-anchor="middle" x="72" y="113">____</text>
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<text font-family="SansSerif" font-size="10" font-weight="bold" text-anchor="middle" x="72" y="183">____</text>
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<text font-family="SansSerif" font-size="10" font-weight="bold" text-anchor="middle" x="117" y="204">2Q</text>
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<text font-family="SansSerif" font-size="10" font-weight="bold" text-anchor="middle" x="68" y="194">2PRE</text>
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<text font-family="SansSerif" font-size="10" font-weight="bold" text-anchor="middle" x="68" y="214">2CLR</text>
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<text font-family="SansSerif" font-size="10" font-weight="bold" text-anchor="middle" x="120" y="193">_</text>
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<text font-family="SansSerif" font-size="10" font-weight="bold" text-anchor="middle" x="61" y="174">2D</text>
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<text font-family="SansSerif" font-size="10" font-weight="bold" text-anchor="middle" x="72" y="203">____</text>
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<text font-family="SansSerif" font-size="10" font-weight="bold" text-anchor="middle" x="68" y="154">2CLK</text>
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<text font-family="SansSerif" font-size="10" font-weight="bold" text-anchor="middle" x="117" y="164">2Q</text>
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<text font-family="SansSerif" font-size="14" font-weight="bold" text-anchor="middle" x="89" y="47">74LS74</text>
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<circ-port height="8" pin="140,110" width="8" x="46" y="56"/>
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<circ-port height="8" pin="380,110" width="8" x="46" y="146"/>
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<circ-port height="8" pin="140,130" width="8" x="46" y="76"/>
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<circ-port height="8" pin="380,130" width="8" x="46" y="166"/>
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<circ-port height="8" pin="100,180" width="8" x="46" y="96"/>
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<circ-port height="8" pin="340,180" width="8" x="46" y="186"/>
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<circ-port height="8" pin="100,210" width="8" x="46" y="116"/>
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<circ-port height="8" pin="340,210" width="8" x="46" y="206"/>
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<circ-port height="10" pin="220,110" width="10" x="125" y="65"/>
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<circ-port height="10" pin="460,110" width="10" x="125" y="155"/>
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<circ-port height="10" pin="220,130" width="10" x="125" y="105"/>
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<circ-port height="10" pin="460,130" width="10" x="125" y="195"/>
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<circ-anchor facing="east" height="6" width="6" x="87" y="127"/>
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</appear>
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<wire from="(140,180)" to="(170,180)"/>
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<wire from="(430,140)" to="(430,210)"/>
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<wire from="(190,140)" to="(190,210)"/>
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<wire from="(380,180)" to="(410,180)"/>
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<wire from="(340,180)" to="(360,180)"/>
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<wire from="(340,210)" to="(360,210)"/>
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<wire from="(380,130)" to="(400,130)"/>
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<wire from="(380,110)" to="(400,110)"/>
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<wire from="(170,140)" to="(170,180)"/>
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<wire from="(440,110)" to="(460,110)"/>
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<wire from="(440,130)" to="(460,130)"/>
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<wire from="(380,210)" to="(430,210)"/>
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<wire from="(140,210)" to="(190,210)"/>
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<wire from="(100,180)" to="(120,180)"/>
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<wire from="(100,210)" to="(120,210)"/>
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<wire from="(140,130)" to="(160,130)"/>
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<wire from="(140,110)" to="(160,110)"/>
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<wire from="(410,140)" to="(410,180)"/>
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<wire from="(200,110)" to="(220,110)"/>
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<wire from="(200,130)" to="(220,130)"/>
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<comp lib="0" loc="(100,210)" name="Pin">
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<a name="tristate" val="false"/>
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<a name="label" val="1/CLR"/>
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</comp>
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<comp lib="0" loc="(100,180)" name="Pin">
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<a name="tristate" val="false"/>
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<a name="label" val="1/PRE"/>
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</comp>
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<comp lib="1" loc="(380,210)" 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="(140,210)" 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="(460,130)" 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="2/Q"/>
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<a name="labelloc" val="east"/>
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</comp>
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<comp lib="0" loc="(220,110)" 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="1Q"/>
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<a name="labelloc" val="east"/>
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</comp>
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<comp lib="6" loc="(168,58)" name="Text">
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<a name="text" val="74LS74"/>
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<a name="font" val="SansSerif bold 24"/>
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</comp>
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<comp lib="0" loc="(140,130)" name="Pin">
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<a name="tristate" val="false"/>
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<a name="label" val="1D"/>
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</comp>
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<comp lib="0" loc="(380,130)" name="Pin">
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<a name="tristate" val="false"/>
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<a name="label" val="2D"/>
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</comp>
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<comp lib="0" loc="(340,210)" name="Pin">
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<a name="tristate" val="false"/>
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<a name="label" val="2/CLR"/>
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</comp>
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<comp lib="1" loc="(140,180)" 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="(220,130)" 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="1/Q"/>
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<a name="labelloc" val="east"/>
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</comp>
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<comp lib="0" loc="(340,180)" name="Pin">
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<a name="tristate" val="false"/>
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<a name="label" val="2/PRE"/>
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</comp>
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<comp lib="4" loc="(200,110)" name="D Flip-Flop"/>
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<comp lib="1" loc="(380,180)" 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="(460,110)" 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="2Q"/>
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<a name="labelloc" val="east"/>
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</comp>
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<comp lib="0" loc="(140,110)" name="Pin">
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<a name="tristate" val="false"/>
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<a name="label" val="1CLK"/>
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</comp>
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<comp lib="0" loc="(380,110)" name="Pin">
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<a name="tristate" val="false"/>
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<a name="label" val="2CLK"/>
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</comp>
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<comp lib="4" loc="(440,110)" name="D Flip-Flop"/>
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</circuit>
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</project>
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