<?xml version="1.0" encoding="utf-8"?>
<!DOCTYPE eagle SYSTEM "eagle.dtd">
<eagle version="6.6.0">
<drawing>
<board>
<plain>
<text>Center GND</text>
</plain>
<libraries>
<library name="memory-hitachi">
<packages>
<package name="DIL28-6">
<description>&lt;b&gt;Dual In Line Package&lt;/b&gt; 0.6 inch</description>
</package>
</packages>
</library>
<library name="dec-con">
<packages>
<package name="DOUBLE">
<description>Double-Height DEC board</description>
</package>
<package name="EDGE-CON4">
<description>Double-Height DEC edge connector</description>
</package>
</packages>
</library>
<library name="rcl">
<packages>
<package name="0207/10">
<description>&lt;b&gt;RESISTOR&lt;/b&gt;&lt;p&gt;
type 0207, grid 10 mm</description>
</package>
<package name="C050-025X075">
<description>&lt;b&gt;CAPACITOR&lt;/b&gt;&lt;p&gt;
grid 5 mm, outline 2.5 x 7.5 mm</description>
</package>
<package name="E22-6">
<description>&lt;b&gt;ELECTROLYTIC CAPACITOR&lt;/b&gt;&lt;p&gt;
grid 22.86 mm, diameter 6 mm</description>
</package>
</packages>
</library>
<library name="linear">
<packages>
<package name="TO92">
<description>&lt;b&gt;TO-92&lt;/b&gt;</description>
</package>
</packages>
</library>
<library name="ic-package">
<packages>
<package name="SOCKET-08">
<description>&lt;b&gt;Dual In Line Socket&lt;/b&gt;</description>
</package>
</packages>
</library>
<library name="battery">
<packages>
<package name="CR2032H">
<description>&lt;b&gt;LI BATTERY&lt;/b&gt; Varta</description>
</package>
</packages>
</library>
<library name="con-lstb">
<packages>
<package name="MA03-1">
<description>&lt;b&gt;PIN HEADER&lt;/b&gt;</description>
</package>
</packages>
</library>
</libraries>
<attributes>
</attributes>
<variantdefs>
</variantdefs>
<elements>
<element name="U$1" library="dec-con" package="DOUBLE" value="OUTLINE-DOUBLE"/>
<element name="U$2" library="dec-con" package="EDGE-CON4" value=""/>
<element name="R1" library="rcl" package="0207/10" value="10K">
<attribute name="VALUE"/>
</element>
<element name="R2" library="rcl" package="0207/10" value="10K">
<attribute name="VALUE"/>
</element>
<element name="R3" library="rcl" package="0207/10" value="10K">
<attribute name="VALUE"/>
</element>
<element name="R4" library="rcl" package="0207/10" value="10K">
<attribute name="VALUE"/>
</element>
<element name="R5" library="rcl" package="0207/10" value="10K">
<attribute name="VALUE"/>
</element>
<element name="R6" library="rcl" package="0207/10" value="10K">
<attribute name="VALUE"/>
</element>
<element name="R7" library="rcl" package="0207/10" value="10K">
<attribute name="VALUE"/>
</element>
<element name="R8" library="rcl" package="0207/10" value="10K">
<attribute name="VALUE"/>
</element>
<element name="R9" library="rcl" package="0207/10" value="10K">
<attribute name="VALUE"/>
</element>
<element name="R10" library="rcl" package="0207/10" value="10K">
<attribute name="VALUE"/>
</element>
<element name="R11" library="rcl" package="0207/10" value="10K">
<attribute name="VALUE"/>
</element>
<element name="R12" library="rcl" package="0207/10" value="10K">
<attribute name="VALUE"/>
</element>
<element name="R13" library="rcl" package="0207/10" value="10K">
<attribute name="VALUE"/>
</element>
<element name="R14" library="rcl" package="0207/10" value="10K">
<attribute name="VALUE"/>
</element>
<element name="R15" library="rcl" package="0207/10" value="10K">
<attribute name="VALUE"/>
</element>
<element name="IC1" library="memory-hitachi" package="DIL28-6" value="62256">
<attribute name="OC_NEWARK" value="unknown"/>
<attribute name="MPN" value=""/>
<attribute name="MF" value=""/>
<attribute name="OC_FARNELL" value="unknown"/>
</element>
<element name="R16" library="rcl" package="0207/10" value="10K">
<attribute name="VALUE"/>
</element>
<element name="R17" library="rcl" package="0207/10" value="10K">
<attribute name="VALUE"/>
</element>
<element name="R18" library="rcl" package="0207/10" value="10K">
<attribute name="VALUE"/>
</element>
<element name="R19" library="rcl" package="0207/10" value="10K">
<attribute name="VALUE"/>
</element>
<element name="R20" library="rcl" package="0207/10" value="10K">
<attribute name="VALUE"/>
</element>
<element name="R21" library="rcl" package="0207/10" value="10K">
<attribute name="VALUE"/>
</element>
<element name="R22" library="rcl" package="0207/10" value="10K">
<attribute name="VALUE"/>
</element>
<element name="R23" library="rcl" package="0207/10" value="10K">
<attribute name="VALUE"/>
</element>
<element name="R24" library="rcl" package="0207/10" value="10K">
<attribute name="VALUE"/>
</element>
<element name="R25" library="rcl" package="0207/10" value="10K">
<attribute name="VALUE"/>
</element>
<element name="R26" library="rcl" package="0207/10" value="10K">
<attribute name="VALUE"/>
</element>
<element name="R27" library="rcl" package="0207/10" value="10K">
<attribute name="VALUE"/>
</element>
<element name="R28" library="rcl" package="0207/10" value="10K">
<attribute name="VALUE"/>
</element>
<element name="R29" library="rcl" package="0207/10" value="10K">
<attribute name="VALUE"/>
</element>
<element name="R30" library="rcl" package="0207/10" value="10K">
<attribute name="VALUE"/>
</element>
<element name="IC2" library="memory-hitachi" package="DIL28-6" value="62256">
<attribute name="OC_NEWARK" value="unknown"/>
<attribute name="MPN" value=""/>
<attribute name="MF" value=""/>
<attribute name="OC_FARNELL" value="unknown"/>
</element>
<element name="R31" library="rcl" package="0207/10" value="10K">
<attribute name="VALUE"/>
</element>
<element name="R32" library="rcl" package="0207/10" value="10K">
<attribute name="VALUE"/>
</element>
<element name="R33" library="rcl" package="0207/10" value="10K">
<attribute name="VALUE"/>
</element>
<element name="IC3" library="linear" package="TO92" value="78L05Z">
<attribute name="NAME"/>
<attribute name="VALUE"/>
</element>
<element name="C2" library="rcl" package="C050-025X075" value=".1uf"/>
<element name="C1" library="rcl" package="E22-6" value="22uf"/>
<element name="C3" library="rcl" package="C050-025X075" value=".1uf"/>
<element name="IC4" library="ic-package" package="SOCKET-08" value="DS1210"/>
<element name="G2" library="battery" package="CR2032H" value="CR2032H"/>
<element name="EXTBAT" library="con-lstb" package="MA03-1" value="">
<attribute name="OC_NEWARK" value="unknown"/>
<attribute name="MPN" value=""/>
<attribute name="MF" value=""/>
<attribute name="OC_FARNELL" value="unknown"/>
</element>
</elements>
<signals>
<signal name="VCC">
<contactref element="IC1" pad="28"/>
<contactref element="IC2" pad="28"/>
<contactref element="IC4" pad="3"/>
<contactref element="IC4" pad="1"/>
</signal>
<signal name="+10V">
<contactref element="U$2" pad="BA2"/>
<contactref element="U$2" pad="AA2"/>
<contactref element="IC3" pad="3"/>
</signal>
<signal name="GND">
<contactref element="U$2" pad="AC2"/>
<contactref element="U$2" pad="BC2"/>
<contactref element="IC1" pad="14"/>
<contactref element="IC2" pad="14"/>
<contactref element="IC3" pad="2"/>
<contactref element="C3" pad="2"/>
<contactref element="C2" pad="2"/>
<contactref element="C1" pad="-"/>
<contactref element="EXTBAT" pad="2"/>
<contactref element="IC4" pad="5"/>
<contactref element="IC4" pad="4"/>
<contactref element="IC4" pad="7"/>
<contactref element="G2" pad="-"/>
</signal>
<signal name="RAMD00">
<contactref element="U$2" pad="AD2"/>
<contactref element="R1" pad="1"/>
<contactref element="IC1" pad="11"/>
</signal>
<signal name="RAMD01">
<contactref element="U$2" pad="AE2"/>
<contactref element="R2" pad="1"/>
<contactref element="IC1" pad="12"/>
</signal>
<signal name="RAMD02">
<contactref element="U$2" pad="AF2"/>
<contactref element="R3" pad="1"/>
<contactref element="IC1" pad="13"/>
</signal>
<signal name="RAMD03">
<contactref element="U$2" pad="AH2"/>
<contactref element="R4" pad="1"/>
<contactref element="IC1" pad="15"/>
</signal>
<signal name="RAMD04">
<contactref element="U$2" pad="AJ2"/>
<contactref element="R5" pad="1"/>
<contactref element="IC1" pad="16"/>
</signal>
<signal name="RAMD05">
<contactref element="U$2" pad="AK2"/>
<contactref element="R6" pad="1"/>
<contactref element="IC1" pad="17"/>
</signal>
<signal name="!WR">
<contactref element="U$2" pad="AV2"/>
<contactref element="R15" pad="1"/>
<contactref element="IC1" pad="27"/>
<contactref element="IC2" pad="27"/>
</signal>
<signal name="!RD">
<contactref element="U$2" pad="AU2"/>
<contactref element="R14" pad="1"/>
<contactref element="IC1" pad="22"/>
<contactref element="IC2" pad="22"/>
</signal>
<signal name="RAMD12">
<contactref element="U$2" pad="AT2"/>
<contactref element="R13" pad="1"/>
<contactref element="IC2" pad="16"/>
</signal>
<signal name="RAMD11">
<contactref element="U$2" pad="AS2"/>
<contactref element="R12" pad="1"/>
<contactref element="IC2" pad="15"/>
</signal>
<signal name="RAMD10">
<contactref element="U$2" pad="AR2"/>
<contactref element="R11" pad="1"/>
<contactref element="IC2" pad="13"/>
</signal>
<signal name="RAMD09">
<contactref element="U$2" pad="AP2"/>
<contactref element="R10" pad="1"/>
<contactref element="IC2" pad="12"/>
</signal>
<signal name="RAMD08">
<contactref element="U$2" pad="AN2"/>
<contactref element="R9" pad="1"/>
<contactref element="IC2" pad="11"/>
</signal>
<signal name="RAMD07">
<contactref element="U$2" pad="AM2"/>
<contactref element="R8" pad="1"/>
<contactref element="IC1" pad="19"/>
</signal>
<signal name="RAMD06">
<contactref element="U$2" pad="AL2"/>
<contactref element="R7" pad="1"/>
<contactref element="IC1" pad="18"/>
</signal>
<signal name="!RAMA00">
<contactref element="U$2" pad="BD2"/>
<contactref element="R16" pad="1"/>
<contactref element="IC1" pad="10"/>
<contactref element="IC2" pad="10"/>
</signal>
<signal name="!RAMA01">
<contactref element="U$2" pad="BE2"/>
<contactref element="R17" pad="1"/>
<contactref element="IC1" pad="9"/>
<contactref element="IC2" pad="9"/>
</signal>
<signal name="!RAMA02">
<contactref element="U$2" pad="BF2"/>
<contactref element="R18" pad="1"/>
<contactref element="IC1" pad="8"/>
<contactref element="IC2" pad="8"/>
</signal>
<signal name="!RAMA03">
<contactref element="U$2" pad="BH2"/>
<contactref element="R19" pad="1"/>
<contactref element="IC1" pad="7"/>
<contactref element="IC2" pad="7"/>
</signal>
<signal name="!RAMA04">
<contactref element="U$2" pad="BJ2"/>
<contactref element="R20" pad="1"/>
<contactref element="IC1" pad="6"/>
<contactref element="IC2" pad="6"/>
</signal>
<signal name="!RAMA05">
<contactref element="U$2" pad="BK2"/>
<contactref element="R21" pad="1"/>
<contactref element="IC1" pad="5"/>
<contactref element="IC2" pad="5"/>
</signal>
<signal name="!RAMA06">
<contactref element="U$2" pad="BL2"/>
<contactref element="R22" pad="1"/>
<contactref element="IC1" pad="4"/>
<contactref element="IC2" pad="4"/>
</signal>
<signal name="!RAMA07">
<contactref element="U$2" pad="BM2"/>
<contactref element="R23" pad="1"/>
<contactref element="IC1" pad="3"/>
<contactref element="IC2" pad="3"/>
</signal>
<signal name="!RAMA08">
<contactref element="U$2" pad="BN2"/>
<contactref element="R24" pad="1"/>
<contactref element="IC1" pad="25"/>
<contactref element="IC2" pad="25"/>
</signal>
<signal name="!RAMA09">
<contactref element="U$2" pad="BP2"/>
<contactref element="R25" pad="1"/>
<contactref element="IC1" pad="24"/>
<contactref element="IC2" pad="24"/>
</signal>
<signal name="!RAMA10">
<contactref element="U$2" pad="BR2"/>
<contactref element="R26" pad="1"/>
<contactref element="IC1" pad="21"/>
<contactref element="IC2" pad="21"/>
</signal>
<signal name="!RAMA11">
<contactref element="U$2" pad="BS2"/>
<contactref element="R27" pad="1"/>
<contactref element="IC1" pad="23"/>
<contactref element="IC2" pad="23"/>
</signal>
<signal name="!RAMA12">
<contactref element="U$2" pad="BT2"/>
<contactref element="R28" pad="1"/>
<contactref element="IC1" pad="2"/>
<contactref element="IC2" pad="2"/>
</signal>
<signal name="!RAMA14">
<contactref element="U$2" pad="BV2"/>
<contactref element="R30" pad="1"/>
<contactref element="IC1" pad="1"/>
<contactref element="IC2" pad="1"/>
</signal>
<signal name="!RAMA13">
<contactref element="U$2" pad="BU2"/>
<contactref element="R29" pad="1"/>
<contactref element="IC1" pad="26"/>
<contactref element="IC2" pad="26"/>
</signal>
<signal name="-15V">
<contactref element="U$2" pad="BB2"/>
<contactref element="U$2" pad="AB2"/>
</signal>
<signal name="RAMD14">
<contactref element="IC2" pad="18"/>
<contactref element="R32" pad="1"/>
</signal>
<signal name="RAMD13">
<contactref element="IC2" pad="17"/>
<contactref element="R31" pad="1"/>
</signal>
<signal name="RAMD15">
<contactref element="IC2" pad="19"/>
<contactref element="R33" pad="1"/>
</signal>
<signal name="+5V">
<contactref element="IC4" pad="8"/>
<contactref element="R1" pad="2"/>
<contactref element="R2" pad="2"/>
<contactref element="R3" pad="2"/>
<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="IC3" pad="1"/>
<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="R24" pad="2"/>
<contactref element="R25" pad="2"/>
<contactref element="R26" pad="2"/>
<contactref element="R27" pad="2"/>
<contactref element="R28" pad="2"/>
<contactref element="R29" pad="2"/>
<contactref element="R30" pad="2"/>
<contactref element="R31" pad="2"/>
<contactref element="R32" pad="2"/>
<contactref element="R33" pad="2"/>
<contactref element="C3" pad="1"/>
<contactref element="C2" pad="1"/>
<contactref element="C1" pad="+"/>
</signal>
<signal name="!CS">
<contactref element="IC4" pad="6"/>
<contactref element="IC1" pad="20"/>
<contactref element="IC2" pad="20"/>
</signal>
<signal name="N$1">
<contactref element="EXTBAT" pad="1"/>
<contactref element="EXTBAT" pad="3"/>
<contactref element="G2" pad="+"/>
<contactref element="IC4" pad="2"/>
</signal>
</signals>
</board>
</drawing>
</eagle>
