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<text alignment-baseline="after-edge" fill="#000000" font-family="Courier New" font-size="17" font-weight="400" text-anchor="end" x="952" y="413">A</text>
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<text alignment-baseline="after-edge" fill="#000000" font-family="Courier New" font-size="17" font-weight="400" text-anchor="end" x="982" y="413">B</text>
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<text alignment-baseline="after-edge" fill="#000000" font-family="Courier New" font-size="17" font-weight="400" text-anchor="end" x="1012" y="413">C</text>
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<text alignment-baseline="after-edge" fill="#000000" font-family="Courier New" font-size="17" font-weight="400" text-anchor="end" x="1042" y="413">D</text>
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<text alignment-baseline="after-edge" fill="#000000" font-family="Arial" font-size="25" font-weight="700" text-anchor="start" x="1042" y="46">U2</text>
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<text alignment-baseline="central" fill="#000000" font-family="Courier New" font-size="17" font-weight="400" text-anchor="end" x="541" y="538">A</text>
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<text alignment-baseline="central" fill="#000000" font-family="Courier New" font-size="17" font-weight="400" text-anchor="end" x="541" y="568">B</text>
<text alignment-baseline="after-edge" fill="#000000" font-family="Courier New" font-size="17" font-weight="400" text-anchor="end" x="481" y="568">1</text>
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<text alignment-baseline="central" fill="#000000" font-family="Courier New" font-size="17" font-weight="400" text-anchor="end" x="541" y="598">C</text>
<text alignment-baseline="after-edge" fill="#000000" font-family="Courier New" font-size="17" font-weight="400" text-anchor="end" x="481" y="598">2</text>
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<text alignment-baseline="central" fill="#000000" font-family="Courier New" font-size="17" font-weight="400" text-anchor="end" x="541" y="628">D</text>
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<text alignment-baseline="central" fill="#000000" font-family="Courier New" font-size="17" font-weight="400" text-anchor="end" x="555" y="724">^LT</text>
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<text alignment-baseline="central" fill="#000000" font-family="Courier New" font-size="17" font-weight="400" text-anchor="end" x="568" y="754">^RBI</text>
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<text alignment-baseline="central" fill="#000000" font-family="Courier New" font-size="17" font-weight="400" text-anchor="end" x="611" y="788">^BI\RBO</text>
<text alignment-baseline="after-edge" fill="#000000" font-family="Courier New" font-size="17" font-weight="400" text-anchor="end" x="481" y="790">4</text>
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<text alignment-baseline="central" fill="#000000" font-family="Courier New" font-size="17" font-weight="400" text-anchor="middle" x="635" y="718">OG</text>
<text alignment-baseline="after-edge" fill="#000000" font-family="Courier New" font-size="17" font-weight="400" text-anchor="start" x="673" y="718">14</text>
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<text alignment-baseline="central" fill="#000000" font-family="Courier New" font-size="17" font-weight="400" text-anchor="middle" x="635" y="688">OF</text>
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<text alignment-baseline="central" fill="#000000" font-family="Courier New" font-size="17" font-weight="400" text-anchor="middle" x="635" y="658">OE</text>
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<text alignment-baseline="central" fill="#000000" font-family="Courier New" font-size="17" font-weight="400" text-anchor="middle" x="635" y="628">OD</text>
<text alignment-baseline="after-edge" fill="#000000" font-family="Courier New" font-size="17" font-weight="400" text-anchor="start" x="673" y="628">10</text>
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<text alignment-baseline="central" fill="#000000" font-family="Courier New" font-size="17" font-weight="400" text-anchor="middle" x="635" y="598">OC</text>
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<text alignment-baseline="central" fill="#000000" font-family="Courier New" font-size="17" font-weight="400" text-anchor="middle" x="635" y="568">OB</text>
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<text alignment-baseline="central" fill="#000000" font-family="Courier New" font-size="17" font-weight="400" text-anchor="middle" x="635" y="538">OA</text>
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<text alignment-baseline="after-edge" fill="#000000" font-family="Arial" font-size="25" font-weight="700" text-anchor="start" x="573" y="498">U1</text>
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<text alignment-baseline="after-edge" fill="#000080" font-family="微软雅黑" font-size="30" font-weight="700" text-anchor="start" x="99" y="708">1</text>
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<text alignment-baseline="after-edge" fill="#000000" font-family="Arial" font-size="25" font-weight="700" text-anchor="start" x="19" y="800">INTER_DIGITAL</text>
<text alignment-baseline="after-edge" fill="#000080" font-family="Times New Roman" font-size="25" font-weight="400" text-anchor="start" x="59" y="761">Key = 1</text>
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<text alignment-baseline="after-edge" fill="#000000" font-family="Arial" font-size="25" font-weight="700" text-anchor="start" x="19" y="950">INTER_DIGITAL</text>
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Lab002.dlproj
浏览文件 @ dedfd1b3
...@@ -5,6 +5,7 @@ ...@@ -5,6 +5,7 @@
<file relativepath="74LS148.dlsche"/> <file relativepath="74LS148.dlsche"/>
<file relativepath="74LS138.dlsche"/> <file relativepath="74LS138.dlsche"/>
<file relativepath="README.md"/> <file relativepath="README.md"/>
<file relativepath="74LS48.dlsche"/>
</files> </files>
</project> </project>
tristate.dlsche 0 → 100644
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添加文件
tristate.dlsche.svg 0 → 100644
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<?xml version="1.0" encoding="UTF-8" standalone="no" ?>
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<text alignment-baseline="after-edge" fill="#000080" font-family="Times New Roman" font-size="30" font-weight="400" text-anchor="start" x="129" y="453">1</text>
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<text alignment-baseline="after-edge" fill="#000000" font-family="Arial" font-size="25" font-weight="700" text-anchor="start" x="19" y="455">DCT</text>
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<text alignment-baseline="after-edge" fill="#000000" font-family="Arial" font-size="25" font-weight="700" text-anchor="start" x="19" y="605">DCT</text>
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<text alignment-baseline="after-edge" fill="#000080" font-family="Times New Roman" font-size="30" font-weight="400" text-anchor="start" x="129" y="753">1</text>
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<text alignment-baseline="after-edge" fill="#000000" font-family="Arial" font-size="25" font-weight="700" text-anchor="start" x="132" y="694">3</text>
<text alignment-baseline="after-edge" fill="#000000" font-family="Arial" font-size="25" font-weight="700" text-anchor="start" x="19" y="755">DCT</text>
<text alignment-baseline="after-edge" fill="#000080" font-family="Times New Roman" font-size="25" font-weight="400" text-anchor="start" x="89" y="806">Key = 3</text>
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<text alignment-baseline="after-edge" fill="#000080" font-family="Times New Roman" font-size="30" font-weight="400" text-anchor="start" x="129" y="903">1</text>
<rect fill="#ffffff" fill-opacity="0.5" height="60" stroke="#800000" stroke-width="5" width="100" x="88" y="853"/>
<text alignment-baseline="after-edge" fill="#000000" font-family="Arial" font-size="25" font-weight="700" text-anchor="start" x="132" y="844">4</text>
<text alignment-baseline="after-edge" fill="#000000" font-family="Arial" font-size="25" font-weight="700" text-anchor="start" x="19" y="905">DCT</text>
<text alignment-baseline="after-edge" fill="#000080" font-family="Times New Roman" font-size="25" font-weight="400" text-anchor="start" x="89" y="956">Key = 4</text>
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<polyline fill="none" points="808 313, 828 313" stroke="#ffa500" stroke-linecap="round" stroke-linejoin="round" stroke-width="1"/>
<polyline fill="none" points="768 313, 748 313" stroke="#ffa500" stroke-linecap="round" stroke-linejoin="round" stroke-width="1"/>
<polyline fill="none" points="788 293, 788 273" stroke="#ffa500" stroke-linecap="round" stroke-linejoin="round" stroke-width="1"/>
<polyline fill="none" points="804 300, 824 280" stroke="#ffa500" stroke-linecap="round" stroke-linejoin="round" stroke-width="1"/>
<polyline fill="none" points="804 327, 824 347" stroke="#ffa500" stroke-linecap="round" stroke-linejoin="round" stroke-width="1"/>
<polyline fill="none" points="772 300, 752 280" stroke="#ffa500" stroke-linecap="round" stroke-linejoin="round" stroke-width="1"/>
<polyline fill="none" points="772 327, 752 347" stroke="#ffa500" stroke-linecap="round" stroke-linejoin="round" stroke-width="1"/>
<text alignment-baseline="after-edge" fill="#000000" font-family="Times New Roman" font-size="25" font-weight="400" text-anchor="start" x="780" y="282">5</text>
<text alignment-baseline="after-edge" fill="#000000" font-family="Times New Roman" font-size="25" font-weight="400" text-anchor="start" x="809" y="388">P</text>
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<polyline fill="none" points="288 883, 588 883, 588 833" stroke="#0000ff" stroke-linecap="round" stroke-linejoin="round" stroke-width="5"/>
<text alignment-baseline="after-edge" fill="#000000" font-family="微软雅黑" font-size="65" font-weight="700" text-anchor="start" x="88" y="93">一位三态门功能测试电路</text>
<text alignment-baseline="after-edge" fill="#000080" font-family="宋体" font-size="25" font-weight="400" text-anchor="start" x="288" y="433">输入1</text>
<text alignment-baseline="after-edge" fill="#000080" font-family="宋体" font-size="25" font-weight="400" text-anchor="start" x="288" y="733">输入2</text>
<text alignment-baseline="after-edge" fill="#000080" font-family="宋体" font-size="25" font-weight="400" text-anchor="start" x="288" y="583">门控1</text>
<text alignment-baseline="after-edge" fill="#000080" font-family="宋体" font-size="25" font-weight="400" text-anchor="start" x="288" y="883">门控2</text>
<text alignment-baseline="after-edge" fill="#000080" font-family="宋体" font-size="25" font-weight="400" text-anchor="start" x="788" y="733">位宽为1的总线</text>
<text alignment-baseline="after-edge" fill="#000080" font-family="宋体" font-size="25" font-weight="400" text-anchor="start" x="78" y="153">两个三态门输出到同一条总线上</text>
<text alignment-baseline="after-edge" fill="#000080" font-family="宋体" font-size="25" font-weight="400" text-anchor="start" x="68" y="213">为了避免信号冲突，就需要始终保证最多一个门打开，其它门关闭</text>
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