<?xml version="1.0" encoding="utf-8"?>
<!DOCTYPE eagle SYSTEM "eagle.dtd">
<eagle version="7.5.0">
<drawing>
<board>
<plain>
<wire x1="60.96" y1="59.69" x2="2.54" y2="59.69" width="0" layer="20"/>
<wire x1="2.54" y1="59.69" x2="0" y2="57.15" width="0" layer="20" curve="90"/>
<wire x1="0" y1="57.15" x2="0" y2="6.35" width="0" layer="20"/>
<wire x1="0" y1="6.35" x2="2.54" y2="3.81" width="0" layer="20" curve="90"/>
<wire x1="2.54" y1="3.81" x2="60.96" y2="3.81" width="0" layer="20"/>
<wire x1="60.96" y1="3.81" x2="63.5" y2="6.35" width="0" layer="20" curve="90"/>
<wire x1="63.5" y1="6.35" x2="63.5" y2="57.15" width="0" layer="20"/>
<wire x1="63.5" y1="57.15" x2="60.96" y2="59.69" width="0" layer="20" curve="90"/>
<text>20 INPUT
AND GATE</text>
<text>A</text>
<text>B</text>
<text>C</text>
<text>D</text>
<text>E</text>
<text>F</text>
<text>G</text>
<text>H</text>
<text>I</text>
<text>J</text>
<text>K</text>
<text>L</text>
<text>M</text>
<text>N</text>
<text>O</text>
<text>P</text>
<text>Q</text>
<text>R</text>
<text>S</text>
<text>T</text>
<text>GND</text>
<text>OUTPUT</text>
<text>GND</text>
<text>HIGH</text>
<text>LOW</text>
<text>GND</text>
<text>5V</text>
<text>C1</text>
<text>U1</text>
<text>U3</text>
<text>U2</text>
<text>U4</text>
<text>U5</text>
<text>C3</text>
<text>C4</text>
<text>C5</text>
<text>C2</text>
<text>R1</text>
<text>R2</text>
<text>D1</text>
<text>PWR</text>
<text>R3</text>
<text>C7</text>
<text>0</text>
<text>0</text>
<text>0</text>
<text>A</text>
<text>B</text>
<text>Y</text>
<text>0</text>
<text>1</text>
<text>0</text>
<text>1</text>
<text>0</text>
<text>0</text>
<text>1</text>
<text>1</text>
<text>1</text>
<text>By: Dan Watson
11/20/2015</text>
<text>10K PULLDOWNS ON ALL INPUTS</text>
<text>U6</text>
<text>C6</text>
<text>Supply Voltage: 5V
Buffered Output (+/-30mA Max)</text>
</plain>
<libraries>
<library name="74xx-us">
<description>&lt;b&gt;TTL Devices, 74xx Series with US Symbols&lt;/b&gt;&lt;p&gt;
Based on the following sources:
&lt;ul&gt;
&lt;li&gt;Texas Instruments &lt;i&gt;TTL Data Book&lt;/i&gt;&amp;nbsp;&amp;nbsp;&amp;nbsp;Volume 1, 1996.
&lt;li&gt;TTL Data Book, Volume 2 , 1993
&lt;li&gt;National Seminconductor Databook 1990, ALS/LS Logic
&lt;li&gt;ttl 74er digital data dictionary, ECA Electronic + Acustic GmbH, ISBN 3-88109-032-0
&lt;li&gt;http://icmaster.com/ViewCompare.asp
&lt;/ul&gt;
&lt;author&gt;Created by librarian@cadsoft.de&lt;/author&gt;</description>
<packages>
<package name="SO14">
<description>&lt;b&gt;Small Outline package&lt;/b&gt; 150 mil</description>
</package>
</packages>
</library>
<library name="adafruit">
<packages>
<package name="C0603">
<description>&lt;b&gt;CAPACITOR&lt;/b&gt;&lt;p&gt;
chip</description>
</package>
<package name="2X20">
<description>&lt;b&gt;PIN HEADER&lt;/b&gt;</description>
</package>
<package name="CHIPLED_0805">
<description>&lt;b&gt;CHIPLED&lt;/b&gt;&lt;p&gt;
Source: http://www.osram.convergy.de/ ... LG_R971.pdf</description>
</package>
<package name="CHIPLED_1206">
<description>&lt;b&gt;CHIPLED&lt;/b&gt;&lt;p&gt;
Source: http://www.osram.convergy.de/ ... LG_LY N971.pdf</description>
</package>
<package name="R0603">
<description>&lt;b&gt;RESISTOR&lt;/b&gt;&lt;p&gt;
chip</description>
</package>
</packages>
</library>
<library name="SparkFun-Connectors">
<description>&lt;h3&gt;SparkFun Electronics' preferred foot prints&lt;/h3&gt;
In this library you'll find connectors and sockets- basically anything that can be plugged into or onto.&lt;br&gt;&lt;br&gt;
We've spent an enormous amount of time creating and checking these footprints and parts, but it is the end user's responsibility to ensure correctness and suitablity for a given componet or application. If you enjoy using this library, please buy one of our products at www.sparkfun.com.
&lt;br&gt;&lt;br&gt;
&lt;b&gt;Licensing:&lt;/b&gt; Creative Commons ShareAlike 4.0 International - https://creativecommons.org/licenses/by-sa/4.0/ 
&lt;br&gt;&lt;br&gt;
You are welcome to use this library for commercial purposes. For attribution, we ask that when you begin to sell your device using our footprint, you email us with a link to the product being sold. We want bragging rights that we helped (in a very small part) to create your 8th world wonder. We would like the opportunity to feature your device on our homepage.</description>
<packages>
<package name="1X02">
</package>
</packages>
</library>
<library name="SparkFun-DiscreteSemi">
<description>&lt;h3&gt;SparkFun Electronics' preferred foot prints&lt;/h3&gt;
In this library you'll find discrete semiconductors- transistors, diodes, TRIACs, optoisolators, etc.&lt;br&gt;&lt;br&gt;
We've spent an enormous amount of time creating and checking these footprints and parts, but it is the end user's responsibility to ensure correctness and suitablity for a given componet or application. If you enjoy using this library, please buy one of our products at www.sparkfun.com.
&lt;br&gt;&lt;br&gt;
&lt;b&gt;Licensing:&lt;/b&gt; Creative Commons ShareAlike 4.0 International - https://creativecommons.org/licenses/by-sa/4.0/ 
&lt;br&gt;&lt;br&gt;
You are welcome to use this library for commercial purposes. For attribution, we ask that when you begin to sell your device using our footprint, you email us with a link to the product being sold. We want bragging rights that we helped (in a very small part) to create your 8th world wonder. We would like the opportunity to feature your device on our homepage.</description>
<packages>
<package name="SMA-DIODE">
<description>&lt;B&gt;Diode&lt;/B&gt;&lt;p&gt;
Basic SMA packaged diode. Good for reverse polarization protection. Common part #: MBRA140</description>
</package>
</packages>
</library>
<library name="SparkFun-Capacitors">
<description>&lt;h3&gt;SparkFun Electronics' preferred foot prints&lt;/h3&gt;
In this library you'll find resistors, capacitors, inductors, test points, jumper pads, etc.&lt;br&gt;&lt;br&gt;
We've spent an enormous amount of time creating and checking these footprints and parts, but it is the end user's responsibility to ensure correctness and suitablity for a given componet or application. If you enjoy using this library, please buy one of our products at www.sparkfun.com.
&lt;br&gt;&lt;br&gt;
&lt;b&gt;Licensing:&lt;/b&gt; Creative Commons ShareAlike 4.0 International - https://creativecommons.org/licenses/by-sa/4.0/ 
&lt;br&gt;&lt;br&gt;
You are welcome to use this library for commercial purposes. For attribution, we ask that when you begin to sell your device using our footprint, you email us with a link to the product being sold. We want bragging rights that we helped (in a very small part) to create your 8th world wonder. We would like the opportunity to feature your device on our homepage.</description>
<packages>
<package name="EIA3216">
</package>
</packages>
</library>
<library name="_CustomParts">
<packages>
<package name="SOT23-6">
</package>
</packages>
</library>
</libraries>
<attributes>
</attributes>
<variantdefs>
</variantdefs>
<elements>
<element name="IC1" library="74xx-us" package="SO14" value="74ALS08D"/>
<element name="C1" library="adafruit" package="C0603" value="">
<attribute name="VALUE"/>
</element>
<element name="C2" library="adafruit" package="C0603" value="">
<attribute name="VALUE"/>
</element>
<element name="C3" library="adafruit" package="C0603" value="">
<attribute name="VALUE"/>
</element>
<element name="C4" library="adafruit" package="C0603" value="">
<attribute name="VALUE"/>
</element>
<element name="C5" library="adafruit" package="C0603" value="">
<attribute name="VALUE"/>
</element>
<element name="IC2" library="74xx-us" package="SO14" value="74ALS08D"/>
<element name="IC3" library="74xx-us" package="SO14" value="74ALS08D"/>
<element name="IC4" library="74xx-us" package="SO14" value="74ALS08D"/>
<element name="IC5" library="74xx-us" package="SO14" value="74ALS08D"/>
<element name="JP2" library="adafruit" package="2X20" value="">
<attribute name="VALUE"/>
</element>
<element name="LED1" library="adafruit" package="CHIPLED_1206" value="">
<attribute name="VALUE"/>
</element>
<element name="LED2" library="adafruit" package="CHIPLED_1206" value="">
<attribute name="VALUE"/>
</element>
<element name="R1" library="adafruit" package="R0603" value="">
<attribute name="VALUE"/>
</element>
<element name="R2" library="adafruit" package="R0603" value="">
<attribute name="VALUE"/>
</element>
<element name="JP1" library="SparkFun-Connectors" package="1X02" value="">
<attribute name="VALUE"/>
</element>
<element name="JP3" library="SparkFun-Connectors" package="1X02" value="">
<attribute name="VALUE"/>
</element>
<element name="D1" library="SparkFun-DiscreteSemi" package="SMA-DIODE" value="B340A">
<attribute name="PROD_ID" value="DIO-09886"/>
</element>
<element name="C6" library="SparkFun-Capacitors" package="EIA3216" value="10uF">
<attribute name="PROD_ID" value="CAP-00811"/>
</element>
<element name="LED3" library="adafruit" package="CHIPLED_0805" value="">
<attribute name="VALUE"/>
</element>
<element name="R3" library="adafruit" package="R0603" value="">
<attribute name="VALUE"/>
</element>
<element name="R4" library="adafruit" package="R0603" value="">
<attribute name="VALUE"/>
</element>
<element name="R5" library="adafruit" package="R0603" value="">
<attribute name="VALUE"/>
</element>
<element name="R6" library="adafruit" package="R0603" value="">
<attribute name="VALUE"/>
</element>
<element name="R7" library="adafruit" package="R0603" value="">
<attribute name="VALUE"/>
</element>
<element name="R8" library="adafruit" package="R0603" value="">
<attribute name="VALUE"/>
</element>
<element name="R9" library="adafruit" package="R0603" value="">
<attribute name="VALUE"/>
</element>
<element name="R10" library="adafruit" package="R0603" value="">
<attribute name="VALUE"/>
</element>
<element name="R11" library="adafruit" package="R0603" value="">
<attribute name="VALUE"/>
</element>
<element name="R12" library="adafruit" package="R0603" value="">
<attribute name="VALUE"/>
</element>
<element name="R13" library="adafruit" package="R0603" value="">
<attribute name="VALUE"/>
</element>
<element name="R14" library="adafruit" package="R0603" value="">
<attribute name="VALUE"/>
</element>
<element name="R15" library="adafruit" package="R0603" value="">
<attribute name="VALUE"/>
</element>
<element name="R16" library="adafruit" package="R0603" value="">
<attribute name="VALUE"/>
</element>
<element name="R17" library="adafruit" package="R0603" value="">
<attribute name="VALUE"/>
</element>
<element name="R18" library="adafruit" package="R0603" value="">
<attribute name="VALUE"/>
</element>
<element name="R19" library="adafruit" package="R0603" value="">
<attribute name="VALUE"/>
</element>
<element name="R20" library="adafruit" package="R0603" value="">
<attribute name="VALUE"/>
</element>
<element name="R21" library="adafruit" package="R0603" value="">
<attribute name="VALUE"/>
</element>
<element name="R22" library="adafruit" package="R0603" value="">
<attribute name="VALUE"/>
</element>
<element name="R23" library="adafruit" package="R0603" value="">
<attribute name="VALUE"/>
</element>
<element name="U$2" library="_CustomParts" package="SOT23-6" value="74LVC2G14/7"/>
<element name="C7" library="adafruit" package="C0603" value="">
<attribute name="VALUE"/>
</element>
</elements>
<signals>
<signal name="GND">
<contactref element="IC1" pad="7"/>
<contactref element="C1" pad="2"/>
<contactref element="C4" pad="2"/>
<contactref element="C3" pad="2"/>
<contactref element="C2" pad="2"/>
<contactref element="C5" pad="2"/>
<contactref element="IC2" pad="7"/>
<contactref element="IC3" pad="7"/>
<contactref element="IC4" pad="7"/>
<contactref element="IC5" pad="7"/>
<contactref element="JP2" pad="1"/>
<contactref element="JP2" pad="3"/>
<contactref element="JP2" pad="5"/>
<contactref element="JP2" pad="7"/>
<contactref element="JP2" pad="9"/>
<contactref element="JP2" pad="11"/>
<contactref element="JP2" pad="13"/>
<contactref element="JP2" pad="15"/>
<contactref element="JP2" pad="17"/>
<contactref element="JP2" pad="19"/>
<contactref element="JP2" pad="21"/>
<contactref element="JP2" pad="23"/>
<contactref element="JP2" pad="25"/>
<contactref element="JP2" pad="27"/>
<contactref element="JP2" pad="29"/>
<contactref element="JP2" pad="31"/>
<contactref element="JP2" pad="33"/>
<contactref element="JP2" pad="35"/>
<contactref element="JP2" pad="37"/>
<contactref element="JP2" pad="39"/>
<contactref element="R2" pad="1"/>
<contactref element="JP1" pad="2"/>
<contactref element="JP3" pad="2"/>
<contactref element="C6" pad="C"/>
<contactref element="R3" pad="1"/>
<contactref element="R4" pad="2"/>
<contactref element="R5" pad="2"/>
<contactref element="R6" pad="2"/>
<contactref element="R7" pad="2"/>
<contactref element="R8" pad="2"/>
<contactref element="R9" pad="2"/>
<contactref element="R10" pad="2"/>
<contactref element="R11" pad="2"/>
<contactref element="R12" pad="2"/>
<contactref element="R13" pad="2"/>
<contactref element="R14" pad="2"/>
<contactref element="R15" pad="2"/>
<contactref element="R16" pad="2"/>
<contactref element="R17" pad="2"/>
<contactref element="R18" pad="2"/>
<contactref element="R19" pad="2"/>
<contactref element="R20" pad="2"/>
<contactref element="R21" pad="2"/>
<contactref element="R22" pad="2"/>
<contactref element="R23" pad="2"/>
<contactref element="U$2" pad="2"/>
<contactref element="C7" pad="2"/>
</signal>
<signal name="VCC">
<contactref element="IC1" pad="14"/>
<contactref element="C1" pad="1"/>
<contactref element="C3" pad="1"/>
<contactref element="C2" pad="1"/>
<contactref element="C5" pad="1"/>
<contactref element="C4" pad="1"/>
<contactref element="IC2" pad="14"/>
<contactref element="IC3" pad="14"/>
<contactref element="IC4" pad="14"/>
<contactref element="IC5" pad="14"/>
<contactref element="IC5" pad="13"/>
<contactref element="R1" pad="2"/>
<contactref element="D1" pad="C"/>
<contactref element="C6" pad="A"/>
<contactref element="LED3" pad="A"/>
<contactref element="U$2" pad="5"/>
<contactref element="C7" pad="1"/>
</signal>
<signal name="1">
<contactref element="IC1" pad="1"/>
<contactref element="JP2" pad="2"/>
<contactref element="R4" pad="1"/>
</signal>
<signal name="2">
<contactref element="IC1" pad="2"/>
<contactref element="JP2" pad="4"/>
<contactref element="R5" pad="1"/>
</signal>
<signal name="3">
<contactref element="IC1" pad="4"/>
<contactref element="JP2" pad="6"/>
<contactref element="R6" pad="1"/>
</signal>
<signal name="4">
<contactref element="IC1" pad="5"/>
<contactref element="JP2" pad="8"/>
<contactref element="R7" pad="1"/>
</signal>
<signal name="N$7">
<contactref element="IC1" pad="8"/>
<contactref element="IC1" pad="12"/>
</signal>
<signal name="5">
<contactref element="IC1" pad="13"/>
<contactref element="JP2" pad="10"/>
<contactref element="R8" pad="1"/>
</signal>
<signal name="N$9">
<contactref element="IC1" pad="11"/>
<contactref element="IC5" pad="1"/>
</signal>
<signal name="6">
<contactref element="IC2" pad="1"/>
<contactref element="JP2" pad="12"/>
<contactref element="R9" pad="1"/>
</signal>
<signal name="7">
<contactref element="IC2" pad="2"/>
<contactref element="JP2" pad="14"/>
<contactref element="R10" pad="1"/>
</signal>
<signal name="8">
<contactref element="IC2" pad="4"/>
<contactref element="JP2" pad="16"/>
<contactref element="R11" pad="1"/>
</signal>
<signal name="9">
<contactref element="IC2" pad="5"/>
<contactref element="JP2" pad="18"/>
<contactref element="R12" pad="1"/>
</signal>
<signal name="N$15">
<contactref element="IC2" pad="8"/>
<contactref element="IC2" pad="12"/>
</signal>
<signal name="10">
<contactref element="IC2" pad="13"/>
<contactref element="JP2" pad="20"/>
<contactref element="R13" pad="1"/>
</signal>
<signal name="N$18">
<contactref element="IC2" pad="11"/>
<contactref element="IC5" pad="2"/>
</signal>
<signal name="11">
<contactref element="IC3" pad="1"/>
<contactref element="JP2" pad="22"/>
<contactref element="R14" pad="1"/>
</signal>
<signal name="12">
<contactref element="IC3" pad="2"/>
<contactref element="JP2" pad="24"/>
<contactref element="R15" pad="1"/>
</signal>
<signal name="13">
<contactref element="IC3" pad="4"/>
<contactref element="JP2" pad="26"/>
<contactref element="R16" pad="1"/>
</signal>
<signal name="14">
<contactref element="IC3" pad="5"/>
<contactref element="JP2" pad="28"/>
<contactref element="R17" pad="1"/>
</signal>
<signal name="N$24">
<contactref element="IC3" pad="8"/>
<contactref element="IC3" pad="12"/>
</signal>
<signal name="15">
<contactref element="IC3" pad="13"/>
<contactref element="JP2" pad="30"/>
<contactref element="R18" pad="1"/>
</signal>
<signal name="N$27">
<contactref element="IC3" pad="11"/>
<contactref element="IC5" pad="4"/>
</signal>
<signal name="16">
<contactref element="IC4" pad="1"/>
<contactref element="JP2" pad="32"/>
<contactref element="R19" pad="1"/>
</signal>
<signal name="17">
<contactref element="IC4" pad="2"/>
<contactref element="JP2" pad="34"/>
<contactref element="R20" pad="1"/>
</signal>
<signal name="18">
<contactref element="IC4" pad="4"/>
<contactref element="JP2" pad="36"/>
<contactref element="R21" pad="1"/>
</signal>
<signal name="19">
<contactref element="IC4" pad="5"/>
<contactref element="JP2" pad="38"/>
<contactref element="R22" pad="1"/>
</signal>
<signal name="N$33">
<contactref element="IC4" pad="8"/>
<contactref element="IC4" pad="12"/>
</signal>
<signal name="20">
<contactref element="IC4" pad="13"/>
<contactref element="JP2" pad="40"/>
<contactref element="R23" pad="1"/>
</signal>
<signal name="N$36">
<contactref element="IC4" pad="11"/>
<contactref element="IC5" pad="5"/>
</signal>
<signal name="N$42">
<contactref element="IC5" pad="8"/>
<contactref element="IC5" pad="12"/>
</signal>
<signal name="N$1">
<contactref element="LED1" pad="A"/>
<contactref element="R1" pad="1"/>
</signal>
<signal name="N$3">
<contactref element="LED2" pad="C"/>
<contactref element="R2" pad="2"/>
</signal>
<signal name="N$2">
<contactref element="JP3" pad="1"/>
<contactref element="D1" pad="A"/>
</signal>
<signal name="N$8">
<contactref element="LED3" pad="C"/>
<contactref element="R3" pad="2"/>
</signal>
<signal name="N$4">
</signal>
<signal name="N$10">
</signal>
<signal name="N$6">
<contactref element="IC1" pad="3"/>
<contactref element="IC1" pad="10"/>
</signal>
<signal name="N$5">
<contactref element="IC1" pad="6"/>
<contactref element="IC1" pad="9"/>
</signal>
<signal name="N$11">
<contactref element="IC2" pad="3"/>
<contactref element="IC2" pad="10"/>
</signal>
<signal name="N$12">
<contactref element="IC2" pad="6"/>
<contactref element="IC2" pad="9"/>
</signal>
<signal name="N$13">
<contactref element="IC3" pad="6"/>
<contactref element="IC3" pad="9"/>
</signal>
<signal name="N$14">
<contactref element="IC3" pad="3"/>
<contactref element="IC3" pad="10"/>
</signal>
<signal name="N$16">
<contactref element="IC4" pad="6"/>
<contactref element="IC4" pad="9"/>
</signal>
<signal name="N$17">
<contactref element="IC4" pad="3"/>
<contactref element="IC4" pad="10"/>
</signal>
<signal name="N$19">
<contactref element="IC5" pad="6"/>
<contactref element="IC5" pad="9"/>
</signal>
<signal name="N$20">
<contactref element="IC5" pad="3"/>
<contactref element="IC5" pad="10"/>
</signal>
<signal name="N$21">
<contactref element="LED2" pad="A"/>
<contactref element="LED1" pad="C"/>
<contactref element="U$2" pad="6"/>
</signal>
<signal name="N$22">
<contactref element="IC5" pad="11"/>
<contactref element="U$2" pad="3"/>
<contactref element="U$2" pad="1"/>
</signal>
<signal name="N$25">
<contactref element="U$2" pad="4"/>
<contactref element="JP1" pad="1"/>
</signal>
</signals>
</board>
</drawing>
</eagle>
