<?xml version="1.0" encoding="utf-8"?>
<!DOCTYPE eagle SYSTEM "eagle.dtd">
<eagle version="7.6.0">
<drawing>
<settings>
<setting alwaysvectorfont="yes"/>
<setting verticaltext="up"/>
</settings>
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<library>
<packages>
<package name="DIL28">
<description>&lt;b&gt;28-Pin, Dual In-Line Package (DIP28 also known as DIL28)&lt;/b&gt;
&lt;p&gt;Pin pitch: 0.1 inches (2.54 mm)&lt;/p&gt;
&lt;p&gt;Distance between pins on opposite sides: 0.6 inches (15.24 mm)&lt;/p&gt;</description>
<wire x1="17.78" y1="6.731" x2="-17.78" y2="6.731" width="0.1524" layer="21"/>
<wire x1="-17.78" y1="-6.731" x2="17.78" y2="-6.731" width="0.1524" layer="21"/>
<wire x1="17.78" y1="6.731" x2="17.78" y2="-6.731" width="0.1524" layer="21"/>
<wire x1="-17.78" y1="6.731" x2="-17.78" y2="1.016" width="0.1524" layer="21"/>
<wire x1="-17.78" y1="-6.731" x2="-17.78" y2="-1.016" width="0.1524" layer="21"/>
<wire x1="-17.78" y1="1.016" x2="-17.78" y2="-1.016" width="0.1524" layer="21" curve="-180"/>
<pad name="1" x="-16.51" y="-7.62" drill="0.8128" shape="long" rot="R90"/>
<pad name="2" x="-13.97" y="-7.62" drill="0.8128" shape="long" rot="R90"/>
<pad name="7" x="-1.27" y="-7.62" drill="0.8128" shape="long" rot="R90"/>
<pad name="8" x="1.27" y="-7.62" drill="0.8128" shape="long" rot="R90"/>
<pad name="3" x="-11.43" y="-7.62" drill="0.8128" shape="long" rot="R90"/>
<pad name="4" x="-8.89" y="-7.62" drill="0.8128" shape="long" rot="R90"/>
<pad name="6" x="-3.81" y="-7.62" drill="0.8128" shape="long" rot="R90"/>
<pad name="5" x="-6.35" y="-7.62" drill="0.8128" shape="long" rot="R90"/>
<pad name="9" x="3.81" y="-7.62" drill="0.8128" shape="long" rot="R90"/>
<pad name="10" x="6.35" y="-7.62" drill="0.8128" shape="long" rot="R90"/>
<pad name="11" x="8.89" y="-7.62" drill="0.8128" shape="long" rot="R90"/>
<pad name="12" x="11.43" y="-7.62" drill="0.8128" shape="long" rot="R90"/>
<pad name="13" x="13.97" y="-7.62" drill="0.8128" shape="long" rot="R90"/>
<pad name="14" x="16.51" y="-7.62" drill="0.8128" shape="long" rot="R90"/>
<pad name="15" x="16.51" y="7.62" drill="0.8128" shape="long" rot="R90"/>
<pad name="16" x="13.97" y="7.62" drill="0.8128" shape="long" rot="R90"/>
<pad name="17" x="11.43" y="7.62" drill="0.8128" shape="long" rot="R90"/>
<pad name="18" x="8.89" y="7.62" drill="0.8128" shape="long" rot="R90"/>
<pad name="19" x="6.35" y="7.62" drill="0.8128" shape="long" rot="R90"/>
<pad name="20" x="3.81" y="7.62" drill="0.8128" shape="long" rot="R90"/>
<pad name="21" x="1.27" y="7.62" drill="0.8128" shape="long" rot="R90"/>
<pad name="22" x="-1.27" y="7.62" drill="0.8128" shape="long" rot="R90"/>
<pad name="23" x="-3.81" y="7.62" drill="0.8128" shape="long" rot="R90"/>
<pad name="24" x="-6.35" y="7.62" drill="0.8128" shape="long" rot="R90"/>
<pad name="25" x="-8.89" y="7.62" drill="0.8128" shape="long" rot="R90"/>
<pad name="26" x="-11.43" y="7.62" drill="0.8128" shape="long" rot="R90"/>
<pad name="27" x="-13.97" y="7.62" drill="0.8128" shape="long" rot="R90"/>
<pad name="28" x="-16.51" y="7.62" drill="0.8128" shape="long" rot="R90"/>
<text x="-18.161" y="-6.604" size="1.778" layer="25" rot="R90">&gt;NAME</text>
<text x="-9.779" y="-0.889" size="1.778" layer="27">&gt;VALUE</text>
</package>
</packages>
<symbols>
<symbol name="2564">
<description>&lt;b&gt;TMS 2564-45&lt;/b&gt;

&lt;p&gt;65,536-Bit, Ultraviolet-Light Erasable, Electrically Programmable Read-Only Memory&lt;/p&gt;

&lt;p&gt;28-pin ceramic&lt;/br&gt;
Dual-In-Line Package&lt;/p&gt;

&lt;ul&gt;
&lt;li&gt;Organization: 8K x 8&lt;/li&gt;
&lt;li&gt;Single +5 V power supply&lt;/li&gt;
&lt;li&gt;Pin compatible with existing ROMs and EPROMS (8K, 16K, 32K, and 64K)&lt;/li&gt;
&lt;li&gt;All inputs/outputs fully TTL compatible&lt;/li&gt;
&lt;li&gt;Static operation (no clocks, no refresh)&lt;/li&gt;
&lt;li&gt;Max access/min cycle time: 450 ns&lt;/li&gt;
&lt;li&gt;8-Bit output for use in microprocessor-based systems&lt;/li&gt;
&lt;li&gt;N-channel silicon-gate technology&lt;/li&gt;
&lt;li&gt;3-State output buffers&lt;/li&gt;
&lt;li&gt;Guaranteed DC noise immunity with standard TTL loads&lt;/li&gt;
&lt;li&gt;No pull-up resistors required&lt;/li&gt;
&lt;li&gt;Low power dissipation:
  &lt;ul&gt;
    &lt;li&gt;Active: 400 mW typical&lt;/li&gt;
    &lt;li&gt;Standby: 75 mW typical&lt;/li&gt;
  &lt;/ul&gt;
&lt;/li&gt;
&lt;/ul&gt;</description>
<wire x1="-10.16" y1="-25.4" x2="5.08" y2="-25.4" width="0.4064" layer="94"/>
<wire x1="5.08" y1="-25.4" x2="5.08" y2="22.86" width="0.4064" layer="94"/>
<wire x1="5.08" y1="22.86" x2="-10.16" y2="22.86" width="0.4064" layer="94"/>
<wire x1="-10.16" y1="22.86" x2="-10.16" y2="-25.4" width="0.4064" layer="94"/>
<text x="-10.16" y="23.495" size="1.778" layer="95">&gt;NAME</text>
<text x="-10.16" y="-27.94" size="1.778" layer="96">&gt;VALUE</text>
<pin name="VPP" x="-15.24" y="-22.86" length="middle" direction="in"/>
<pin name="A12" x="-15.24" y="-10.16" length="middle" direction="in"/>
<pin name="A7" x="-15.24" y="2.54" length="middle" direction="in"/>
<pin name="A6" x="-15.24" y="5.08" length="middle" direction="in"/>
<pin name="A5" x="-15.24" y="7.62" length="middle" direction="in"/>
<pin name="A4" x="-15.24" y="10.16" length="middle" direction="in"/>
<pin name="A3" x="-15.24" y="12.7" length="middle" direction="in"/>
<pin name="A2" x="-15.24" y="15.24" length="middle" direction="in"/>
<pin name="A1" x="-15.24" y="17.78" length="middle" direction="in"/>
<pin name="A0" x="-15.24" y="20.32" length="middle" direction="in"/>
<pin name="D0" x="10.16" y="20.32" length="middle" direction="hiz" rot="R180"/>
<pin name="D1" x="10.16" y="17.78" length="middle" direction="hiz" rot="R180"/>
<pin name="D2" x="10.16" y="15.24" length="middle" direction="hiz" rot="R180"/>
<pin name="D3" x="10.16" y="12.7" length="middle" direction="hiz" rot="R180"/>
<pin name="D4" x="10.16" y="10.16" length="middle" direction="hiz" rot="R180"/>
<pin name="D5" x="10.16" y="7.62" length="middle" direction="hiz" rot="R180"/>
<pin name="D6" x="10.16" y="5.08" length="middle" direction="hiz" rot="R180"/>
<pin name="D7" x="10.16" y="2.54" length="middle" direction="hiz" rot="R180"/>
<pin name="!CS1" x="-15.24" y="-15.24" length="middle" direction="in"/>
<pin name="A10" x="-15.24" y="-5.08" length="middle" direction="in"/>
<pin name="!CS2" x="-15.24" y="-17.78" length="middle" direction="in"/>
<pin name="A11" x="-15.24" y="-7.62" length="middle" direction="in"/>
<pin name="A9" x="-15.24" y="-2.54" length="middle" direction="in"/>
<pin name="A8" x="-15.24" y="0" length="middle" direction="in"/>
<pin name="PD/!PGM" x="-15.24" y="-20.32" length="middle" direction="in"/>
</symbol>
<symbol name="PWRN">
<text x="-0.635" y="-0.635" size="1.778" layer="95">&gt;NAME</text>
<text x="1.905" y="-5.588" size="1.27" layer="95" rot="R90">GND</text>
<text x="1.905" y="2.413" size="1.27" layer="95" rot="R90">VCC@1</text>
<pin name="GND" x="0" y="-7.62" visible="pad" length="middle" direction="pwr" rot="R90"/>
<pin name="VCC@1" x="0" y="7.62" visible="pad" length="middle" direction="pwr" rot="R270"/>
<pin name="VCC@2" x="5.08" y="7.62" visible="pad" length="middle" direction="pwr" rot="R270"/>
<text x="6.985" y="2.413" size="1.27" layer="95" rot="R90">VCC@2</text>
</symbol>
</symbols>
<devicesets>
<deviceset name="2564" prefix="U" uservalue="yes">
<description>&lt;b&gt;MEMORY&lt;/b&gt;</description>
<gates>
<gate name="A" symbol="2564" x="22.86" y="0"/>
<gate name="P" symbol="PWRN" x="-7.62" y="0" addlevel="request"/>
</gates>
<devices>
<device name="" package="DIL28">
<connects>
<connect gate="A" pin="!CS1" pad="2"/>
<connect gate="A" pin="!CS2" pad="27"/>
<connect gate="A" pin="A0" pad="10"/>
<connect gate="A" pin="A1" pad="9"/>
<connect gate="A" pin="A10" pad="21"/>
<connect gate="A" pin="A11" pad="20"/>
<connect gate="A" pin="A12" pad="23"/>
<connect gate="A" pin="A2" pad="8"/>
<connect gate="A" pin="A3" pad="7"/>
<connect gate="A" pin="A4" pad="6"/>
<connect gate="A" pin="A5" pad="5"/>
<connect gate="A" pin="A6" pad="4"/>
<connect gate="A" pin="A7" pad="3"/>
<connect gate="A" pin="A8" pad="25"/>
<connect gate="A" pin="A9" pad="24"/>
<connect gate="A" pin="D0" pad="11"/>
<connect gate="A" pin="D1" pad="12"/>
<connect gate="A" pin="D2" pad="13"/>
<connect gate="A" pin="D3" pad="15"/>
<connect gate="A" pin="D4" pad="16"/>
<connect gate="A" pin="D5" pad="17"/>
<connect gate="A" pin="D6" pad="18"/>
<connect gate="A" pin="D7" pad="19"/>
<connect gate="A" pin="PD/!PGM" pad="22"/>
<connect gate="A" pin="VPP" pad="1"/>
<connect gate="P" pin="GND" pad="14"/>
<connect gate="P" pin="VCC@1" pad="28"/>
<connect gate="P" pin="VCC@2" pad="26"/>
</connects>
<technologies>
<technology name=""/>
</technologies>
</device>
</devices>
</deviceset>
</devicesets>
</library>
</drawing>
</eagle>
