<?xml version="1.0" encoding="utf-8"?>
<!DOCTYPE eagle SYSTEM "eagle.dtd">
<eagle version="6.6.0">
<drawing>
<board>
<plain>
<text>MAIN REGISTER M221D</text>
<text>FLIP CHIP</text>
</plain>
<libraries>
<library name="dec-con">
<packages>
<package name="EDGE-CON4">
<description>Double-Height DEC edge connector</description>
</package>
<package name="DOUBLE">
<description>Double-Height DEC board</description>
</package>
<package name="DIL14">
<description>&lt;b&gt;Dual In Line Package&lt;/b&gt;</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>
</packages>
</library>
<library name="74xx-us">
<packages>
<package name="DIL14">
<description>&lt;b&gt;Dual In Line Package&lt;/b&gt;</description>
</package>
</packages>
</library>
</libraries>
<attributes>
</attributes>
<variantdefs>
</variantdefs>
<elements>
<element name="U$1" library="dec-con" package="EDGE-CON4" value=""/>
<element name="U$2" library="dec-con" package="DOUBLE" value="OUTLINE-DOUBLE"/>
<element name="E12" library="dec-con" package="DIL14" value="7453N"/>
<element name="E15" library="dec-con" package="DIL14" value="7453N"/>
<element name="E16" library="dec-con" package="DIL14" value="7453N"/>
<element name="E7" library="dec-con" package="DIL14" value="7453N"/>
<element name="E20" library="dec-con" package="DIL14" value="7453N"/>
<element name="E19" library="dec-con" package="DIL14" value="7453N"/>
<element name="R1" library="rcl" package="0207/10" value="470"/>
<element name="R4" library="rcl" package="0207/10" value="470"/>
<element name="E5" library="dec-con" package="DIL14" value="7482N"/>
<element name="E1" library="dec-con" package="DIL14" value="7453N"/>
<element name="E10" library="74xx-us" package="DIL14" value="7460N"/>
<element name="E13" library="74xx-us" package="DIL14" value="7460N"/>
<element name="E2" library="dec-con" package="DIL14" value="7453N"/>
<element name="R2" library="rcl" package="0207/10" value="3K"/>
<element name="R5" library="rcl" package="0207/10" value="3K"/>
<element name="E14" library="74xx-us" package="DIL14" value="7474N"/>
<element name="E17" library="74xx-us" package="DIL14" value="7474N"/>
<element name="E8" library="74xx-us" package="DIL14" value="7474N"/>
<element name="E11" library="74xx-us" package="DIL14" value="7474N"/>
<element name="R3" library="rcl" package="0207/10" value="3K"/>
<element name="E3" library="dec-con" package="DIL14" value="7453N"/>
<element name="E4" library="dec-con" package="DIL14" value="7453N"/>
<element name="E6" library="dec-con" package="DIL14" value="7453N"/>
<element name="E9" library="74xx-us" package="DIL14" value="7400N"/>
<element name="E18" library="74xx-us" package="DIL14" value="74H00N"/>
<element name="E21" library="74xx-us" package="DIL14" value="74H00N"/>
<element name="C1" library="rcl" package="C050-025X075" value=".01uF"/>
<element name="C2" library="rcl" package="C050-025X075" value=".01uF"/>
<element name="C3" library="rcl" package="C050-025X075" value=".01uF"/>
<element name="C4" library="rcl" package="C050-025X075" value=".01uF"/>
<element name="C5" library="rcl" package="C050-025X075" value=".01uF"/>
<element name="C6" library="rcl" package="C050-025X075" value=".01uF"/>
<element name="C7" library="rcl" package="C050-025X075" value=".01uF"/>
<element name="C8" library="rcl" package="C050-025X075" value=".01uF"/>
<element name="C9" library="rcl" package="C050-025X075" value=".01uF"/>
<element name="C10" library="rcl" package="C050-025X075" value=".01uF"/>
<element name="C11" library="rcl" package="C050-025X075" value=".01uF"/>
<element name="C12" library="rcl" package="C050-025X075" value=".01uF"/>
<element name="C13" library="rcl" package="C050-025X075" value=".01uF"/>
<element name="C14" library="rcl" package="C050-025X075" value=".01uF"/>
<element name="C15" library="rcl" package="C050-025X075" value=".01uF"/>
<element name="C16" library="rcl" package="C050-025X075" value=".01uF"/>
<element name="C17" library="rcl" package="C050-025X075" value=".01uF"/>
<element name="C18" library="rcl" package="C050-025X075" value=".01uF"/>
<element name="C19" library="rcl" package="C050-025X075" value=".01uF"/>
<element name="C20" library="rcl" package="C050-025X075" value=".01uF"/>
<element name="C21" library="rcl" package="C050-025X075" value=".01uF"/>
<element name="R6" library="rcl" package="0207/10" value="3K"/>
<element name="R7" library="rcl" package="0207/10" value="3K"/>
<element name="R8" library="rcl" package="0207/10" value="3K"/>
<element name="R9" library="rcl" package="0207/10" value="3K"/>
<element name="R10" library="rcl" package="0207/10" value="3K"/>
<element name="R11" library="rcl" package="0207/10" value="3K"/>
<element name="R12" library="rcl" package="0207/10" value="3K"/>
<element name="R13" library="rcl" package="0207/10" value="3K"/>
<element name="R14" library="rcl" package="0207/10" value="3K"/>
</elements>
<signals>
<signal name="GND">
<contactref element="E12" pad="7"/>
<contactref element="E15" pad="7"/>
<contactref element="E16" pad="7"/>
<contactref element="E7" pad="7"/>
<contactref element="E20" pad="7"/>
<contactref element="E19" pad="7"/>
<contactref element="U$1" pad="BC2"/>
<contactref element="U$1" pad="BT1"/>
<contactref element="U$1" pad="AC2"/>
<contactref element="U$1" pad="AT1"/>
<contactref element="E1" pad="7"/>
<contactref element="E2" pad="7"/>
<contactref element="E14" pad="7"/>
<contactref element="E17" pad="7"/>
<contactref element="E8" pad="7"/>
<contactref element="E11" pad="7"/>
<contactref element="E10" pad="7"/>
<contactref element="E13" pad="7"/>
<contactref element="E5" pad="11"/>
<contactref element="E3" pad="7"/>
<contactref element="E4" pad="7"/>
<contactref element="E6" pad="7"/>
<contactref element="E9" pad="7"/>
<contactref element="E18" pad="7"/>
<contactref element="E21" pad="7"/>
<contactref element="C1" pad="2"/>
<contactref element="C2" pad="2"/>
<contactref element="C3" pad="2"/>
<contactref element="C4" pad="2"/>
<contactref element="C5" pad="2"/>
<contactref element="C6" pad="2"/>
<contactref element="C7" pad="2"/>
<contactref element="C8" pad="2"/>
<contactref element="C9" pad="2"/>
<contactref element="C10" pad="2"/>
<contactref element="C11" pad="2"/>
<contactref element="C12" pad="2"/>
<contactref element="C13" pad="2"/>
<contactref element="C14" pad="2"/>
<contactref element="C15" pad="2"/>
<contactref element="C16" pad="2"/>
<contactref element="C17" pad="2"/>
<contactref element="C18" pad="2"/>
<contactref element="C19" pad="2"/>
<contactref element="C20" pad="2"/>
<contactref element="C21" pad="2"/>
</signal>
<signal name="VCC">
<contactref element="E12" pad="14"/>
<contactref element="E15" pad="14"/>
<contactref element="E16" pad="14"/>
<contactref element="E7" pad="14"/>
<contactref element="E20" pad="14"/>
<contactref element="E19" pad="14"/>
<contactref element="R1" pad="2"/>
<contactref element="R4" pad="2"/>
<contactref element="U$1" pad="BA2"/>
<contactref element="U$1" pad="AA2"/>
<contactref element="E1" pad="14"/>
<contactref element="E2" pad="14"/>
<contactref element="E14" pad="14"/>
<contactref element="E17" pad="14"/>
<contactref element="E8" pad="14"/>
<contactref element="E11" pad="14"/>
<contactref element="E10" pad="14"/>
<contactref element="E13" pad="14"/>
<contactref element="E5" pad="4"/>
<contactref element="E3" pad="14"/>
<contactref element="E4" pad="14"/>
<contactref element="E6" pad="14"/>
<contactref element="E9" pad="14"/>
<contactref element="E18" pad="14"/>
<contactref element="E21" pad="14"/>
<contactref element="C1" pad="1"/>
<contactref element="C2" pad="1"/>
<contactref element="C3" pad="1"/>
<contactref element="C4" pad="1"/>
<contactref element="C5" pad="1"/>
<contactref element="C6" pad="1"/>
<contactref element="C7" pad="1"/>
<contactref element="C8" pad="1"/>
<contactref element="C9" pad="1"/>
<contactref element="C10" pad="1"/>
<contactref element="C11" pad="1"/>
<contactref element="C12" pad="1"/>
<contactref element="C13" pad="1"/>
<contactref element="C14" pad="1"/>
<contactref element="C15" pad="1"/>
<contactref element="C16" pad="1"/>
<contactref element="C17" pad="1"/>
<contactref element="C18" pad="1"/>
<contactref element="C19" pad="1"/>
<contactref element="C20" pad="1"/>
<contactref element="C21" pad="1"/>
<contactref element="R2" pad="2"/>
<contactref element="R3" 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"/>
</signal>
<signal name="ENABLE_BCL">
<contactref element="U$1" pad="BD1"/>
<contactref element="E10" pad="2"/>
<contactref element="E10" pad="3"/>
<contactref element="E10" pad="5"/>
<contactref element="E10" pad="4"/>
</signal>
<signal name="ENABLE_BSE">
<contactref element="U$1" pad="BE1"/>
<contactref element="E13" pad="2"/>
<contactref element="E13" pad="3"/>
<contactref element="E13" pad="5"/>
<contactref element="E13" pad="4"/>
</signal>
<signal name="ENABLE_RSW">
<contactref element="U$1" pad="AD2"/>
<contactref element="E1" pad="5"/>
<contactref element="E20" pad="5"/>
</signal>
<signal name="ENABLE_MQ">
<contactref element="E7" pad="1"/>
<contactref element="E16" pad="1"/>
<contactref element="U$1" pad="AS2"/>
</signal>
<signal name="ENABLE_AC_L">
<contactref element="U$1" pad="AT2"/>
<contactref element="E7" pad="4"/>
<contactref element="E16" pad="4"/>
</signal>
<signal name="ENABLE_AC">
<contactref element="U$1" pad="BH1"/>
<contactref element="E7" pad="9"/>
<contactref element="E16" pad="9"/>
</signal>
<signal name="DATA_ADD">
<contactref element="U$1" pad="BL2"/>
<contactref element="E4" pad="13"/>
<contactref element="E19" pad="13"/>
</signal>
<signal name="ENABLE_MEM">
<contactref element="U$1" pad="AV1"/>
<contactref element="E4" pad="9"/>
<contactref element="E19" pad="9"/>
</signal>
<signal name="ENABLE_PC">
<contactref element="U$1" pad="AK1"/>
<contactref element="E1" pad="9"/>
<contactref element="E20" pad="9"/>
</signal>
<signal name="ENABLE_AC_R">
<contactref element="U$1" pad="AJ1"/>
<contactref element="E1" pad="13"/>
<contactref element="E20" pad="13"/>
</signal>
<signal name="N$1">
<contactref element="E16" pad="11"/>
<contactref element="E13" pad="10"/>
<contactref element="E10" pad="10"/>
</signal>
<signal name="N$2">
<contactref element="E10" pad="9"/>
<contactref element="E16" pad="12"/>
<contactref element="E13" pad="9"/>
</signal>
<signal name="N$3">
<contactref element="E4" pad="11"/>
<contactref element="E1" pad="11"/>
</signal>
<signal name="N$4">
<contactref element="E4" pad="12"/>
<contactref element="E1" pad="12"/>
</signal>
<signal name="N$5">
<contactref element="E7" pad="12"/>
<contactref element="E13" pad="12"/>
<contactref element="E10" pad="12"/>
</signal>
<signal name="N$6">
<contactref element="E7" pad="11"/>
<contactref element="E10" pad="11"/>
<contactref element="E13" pad="11"/>
</signal>
<signal name="N$7">
<contactref element="E19" pad="12"/>
<contactref element="E20" pad="12"/>
</signal>
<signal name="N$8">
<contactref element="E20" pad="11"/>
<contactref element="E19" pad="11"/>
</signal>
<signal name="PS_2">
<contactref element="E4" pad="8"/>
<contactref element="E1" pad="8"/>
<contactref element="E5" pad="13"/>
<contactref element="U$1" pad="BT2"/>
<contactref element="E12" pad="5"/>
<contactref element="E9" pad="2"/>
<contactref element="E9" pad="1"/>
</signal>
<signal name="RS_MSC2">
<contactref element="E1" pad="2"/>
<contactref element="E1" pad="3"/>
<contactref element="U$1" pad="AF2"/>
</signal>
<signal name="AC2_H">
<contactref element="E10" pad="13"/>
<contactref element="E7" pad="5"/>
<contactref element="E1" pad="1"/>
<contactref element="E8" pad="9"/>
<contactref element="E18" pad="4"/>
<contactref element="E18" pad="5"/>
<contactref element="E15" pad="2"/>
<contactref element="E12" pad="2"/>
</signal>
<signal name="MB2_L">
<contactref element="E10" pad="1"/>
<contactref element="E11" pad="8"/>
<contactref element="E21" pad="9"/>
<contactref element="E21" pad="10"/>
<contactref element="E15" pad="3"/>
</signal>
<signal name="LS_MSC2">
<contactref element="E7" pad="2"/>
<contactref element="E7" pad="3"/>
<contactref element="U$1" pad="AU1"/>
</signal>
<signal name="MB2_H">
<contactref element="E13" pad="1"/>
<contactref element="E4" pad="2"/>
<contactref element="E11" pad="9"/>
<contactref element="E21" pad="13"/>
<contactref element="E21" pad="12"/>
<contactref element="E15" pad="5"/>
</signal>
<signal name="AC2_L">
<contactref element="E13" pad="13"/>
<contactref element="E7" pad="10"/>
<contactref element="E8" pad="8"/>
<contactref element="E18" pad="12"/>
<contactref element="E18" pad="13"/>
<contactref element="E15" pad="4"/>
<contactref element="E12" pad="4"/>
</signal>
<signal name="MQ2">
<contactref element="E7" pad="13"/>
<contactref element="U$1" pad="AR2"/>
</signal>
<signal name="MEM2">
<contactref element="E4" pad="10"/>
<contactref element="R1" pad="1"/>
<contactref element="U$1" pad="AL1"/>
</signal>
<signal name="ENABLE_MB2">
<contactref element="E4" pad="3"/>
<contactref element="U$1" pad="AP1"/>
</signal>
<signal name="DATA_ADD_2">
<contactref element="E4" pad="1"/>
<contactref element="U$1" pad="AN1"/>
</signal>
<signal name="ENABLE_MA2">
<contactref element="E4" pad="5"/>
<contactref element="U$1" pad="AR1"/>
</signal>
<signal name="MA2_H">
<contactref element="E4" pad="4"/>
<contactref element="E3" pad="10"/>
<contactref element="E17" pad="9"/>
<contactref element="R3" pad="1"/>
<contactref element="U$1" pad="AS1"/>
</signal>
<signal name="RSW2">
<contactref element="E1" pad="4"/>
<contactref element="U$1" pad="AE2"/>
</signal>
<signal name="PC2_H">
<contactref element="E1" pad="10"/>
<contactref element="E14" pad="9"/>
</signal>
<signal name="MEM3">
<contactref element="R4" pad="1"/>
<contactref element="E19" pad="10"/>
<contactref element="U$1" pad="BL1"/>
</signal>
<signal name="MB3_L">
<contactref element="E10" pad="6"/>
<contactref element="E11" pad="6"/>
<contactref element="E21" pad="5"/>
<contactref element="E21" pad="4"/>
<contactref element="E15" pad="9"/>
</signal>
<signal name="AC3_H">
<contactref element="E10" pad="8"/>
<contactref element="E16" pad="5"/>
<contactref element="E20" pad="1"/>
<contactref element="E8" pad="5"/>
<contactref element="E18" pad="10"/>
<contactref element="E18" pad="9"/>
<contactref element="E15" pad="10"/>
<contactref element="E12" pad="10"/>
</signal>
<signal name="MB3_H">
<contactref element="E19" pad="2"/>
<contactref element="E11" pad="5"/>
<contactref element="E21" pad="2"/>
<contactref element="E21" pad="1"/>
<contactref element="E15" pad="13"/>
<contactref element="E13" pad="8"/>
</signal>
<signal name="AC3_L">
<contactref element="E16" pad="10"/>
<contactref element="E8" pad="6"/>
<contactref element="E18" pad="1"/>
<contactref element="E18" pad="2"/>
<contactref element="E15" pad="1"/>
<contactref element="E12" pad="1"/>
<contactref element="E13" pad="6"/>
</signal>
<signal name="MQ3">
<contactref element="E16" pad="13"/>
<contactref element="U$1" pad="BJ1"/>
</signal>
<signal name="LS_MSC3">
<contactref element="E16" pad="2"/>
<contactref element="E16" pad="3"/>
<contactref element="U$1" pad="BK1"/>
</signal>
<signal name="RS_MSC3">
<contactref element="E20" pad="2"/>
<contactref element="E20" pad="3"/>
<contactref element="U$1" pad="BN1"/>
</signal>
<signal name="ENABLE_MB3">
<contactref element="E19" pad="3"/>
<contactref element="U$1" pad="BP2"/>
</signal>
<signal name="DATA_ADD_3">
<contactref element="E19" pad="1"/>
<contactref element="U$1" pad="BP1"/>
</signal>
<signal name="ENABLE_MA3">
<contactref element="E19" pad="5"/>
<contactref element="U$1" pad="BM2"/>
</signal>
<signal name="MA3_H">
<contactref element="E19" pad="4"/>
<contactref element="E3" pad="5"/>
<contactref element="E17" pad="5"/>
<contactref element="R6" pad="1"/>
<contactref element="U$1" pad="BN2"/>
</signal>
<signal name="RSW3">
<contactref element="E20" pad="4"/>
<contactref element="U$1" pad="BM1"/>
</signal>
<signal name="PC3_H">
<contactref element="E20" pad="10"/>
<contactref element="E14" pad="5"/>
</signal>
<signal name="PS_LEFT_2">
<contactref element="E7" pad="8"/>
<contactref element="E5" pad="14"/>
<contactref element="U$1" pad="AP2"/>
</signal>
<signal name="CARRY_OUT_2">
<contactref element="E5" pad="10"/>
<contactref element="U$1" pad="AH1"/>
</signal>
<signal name="ADDER2">
<contactref element="E5" pad="12"/>
<contactref element="U$1" pad="AH2"/>
<contactref element="E2" pad="5"/>
<contactref element="E6" pad="1"/>
</signal>
<signal name="ADDER3">
<contactref element="E5" pad="1"/>
<contactref element="U$1" pad="AK2"/>
<contactref element="E2" pad="3"/>
<contactref element="E6" pad="10"/>
</signal>
<signal name="PS_LEFT_3">
<contactref element="E5" pad="2"/>
<contactref element="E16" pad="8"/>
<contactref element="U$1" pad="BH2"/>
</signal>
<signal name="PS_3">
<contactref element="E5" pad="3"/>
<contactref element="E19" pad="8"/>
<contactref element="E20" pad="8"/>
<contactref element="U$1" pad="BV2"/>
<contactref element="E12" pad="13"/>
<contactref element="E9" pad="5"/>
<contactref element="E9" pad="4"/>
</signal>
<signal name="CARRY_IN">
<contactref element="E5" pad="5"/>
<contactref element="U$1" pad="AM1"/>
</signal>
<signal name="LSW">
<contactref element="U$1" pad="AC1"/>
<contactref element="E2" pad="10"/>
<contactref element="E6" pad="4"/>
</signal>
<signal name="ADDER1">
<contactref element="U$1" pad="AB1"/>
<contactref element="E2" pad="13"/>
</signal>
<signal name="ROT_RIGHT">
<contactref element="U$1" pad="AE1"/>
<contactref element="E2" pad="1"/>
<contactref element="E6" pad="13"/>
</signal>
<signal name="NO_ROT">
<contactref element="U$1" pad="AJ2"/>
<contactref element="E2" pad="4"/>
<contactref element="E6" pad="9"/>
</signal>
<signal name="ROT_LEFT">
<contactref element="U$1" pad="AF1"/>
<contactref element="E2" pad="2"/>
<contactref element="E6" pad="3"/>
</signal>
<signal name="N$9">
<contactref element="E2" pad="9"/>
<contactref element="E3" pad="9"/>
<contactref element="E9" pad="11"/>
</signal>
<signal name="N$10">
<contactref element="E3" pad="4"/>
<contactref element="E6" pad="5"/>
<contactref element="E9" pad="8"/>
</signal>
<signal name="LSW2">
<contactref element="E9" pad="12"/>
<contactref element="E9" pad="13"/>
<contactref element="U$1" pad="AN2"/>
<contactref element="E3" pad="1"/>
</signal>
<signal name="LSW3">
<contactref element="E9" pad="9"/>
<contactref element="E9" pad="10"/>
<contactref element="U$1" pad="AM2"/>
<contactref element="E3" pad="2"/>
</signal>
<signal name="ADDER4">
<contactref element="U$1" pad="AL2"/>
<contactref element="E6" pad="2"/>
</signal>
<signal name="MA3_L">
<contactref element="E3" pad="3"/>
<contactref element="E17" pad="6"/>
<contactref element="R5" pad="1"/>
<contactref element="U$1" pad="BK2"/>
</signal>
<signal name="MA2_L">
<contactref element="E3" pad="13"/>
<contactref element="R2" pad="1"/>
<contactref element="E17" pad="8"/>
<contactref element="U$1" pad="BV1"/>
</signal>
<signal name="REG_BUS2">
<contactref element="E2" pad="8"/>
<contactref element="U$1" pad="AD1"/>
<contactref element="E8" pad="12"/>
<contactref element="E11" pad="12"/>
<contactref element="E14" pad="12"/>
<contactref element="E17" pad="12"/>
</signal>
<signal name="REG_BUS3">
<contactref element="E6" pad="8"/>
<contactref element="U$1" pad="AV2"/>
<contactref element="E8" pad="2"/>
<contactref element="E11" pad="2"/>
<contactref element="E14" pad="2"/>
<contactref element="E17" pad="2"/>
</signal>
<signal name="ADDR_MATCH">
<contactref element="E3" pad="8"/>
<contactref element="U$1" pad="AA1"/>
</signal>
<signal name="LOAD_AC">
<contactref element="U$1" pad="AU2"/>
<contactref element="E8" pad="11"/>
<contactref element="E8" pad="3"/>
</signal>
<signal name="LOAD_MA">
<contactref element="U$1" pad="BF2"/>
<contactref element="E17" pad="11"/>
<contactref element="E17" pad="3"/>
</signal>
<signal name="LOAD_PC">
<contactref element="U$1" pad="BA1"/>
<contactref element="E14" pad="11"/>
<contactref element="E14" pad="3"/>
</signal>
<signal name="LOAD_MB">
<contactref element="U$1" pad="BC1"/>
<contactref element="E11" pad="11"/>
<contactref element="E11" pad="3"/>
</signal>
<signal name="PC2_L">
<contactref element="E14" pad="8"/>
<contactref element="U$1" pad="BB1"/>
</signal>
<signal name="PC3_L">
<contactref element="E14" pad="6"/>
<contactref element="U$1" pad="BE2"/>
</signal>
<signal name="AC_2">
<contactref element="E18" pad="11"/>
<contactref element="R7" pad="1"/>
<contactref element="U$1" pad="AB2"/>
</signal>
<signal name="!AC_2">
<contactref element="E18" pad="6"/>
<contactref element="R8" pad="1"/>
<contactref element="U$1" pad="BU1"/>
</signal>
<signal name="AC_3">
<contactref element="E18" pad="3"/>
<contactref element="R9" pad="1"/>
<contactref element="U$1" pad="BJ2"/>
</signal>
<signal name="!AC_3">
<contactref element="E18" pad="8"/>
<contactref element="R10" pad="1"/>
<contactref element="U$1" pad="BD2"/>
</signal>
<signal name="MB_2">
<contactref element="E21" pad="8"/>
<contactref element="R11" pad="1"/>
<contactref element="U$1" pad="BF1"/>
</signal>
<signal name="!MB_2">
<contactref element="E21" pad="11"/>
<contactref element="R12" pad="1"/>
<contactref element="U$1" pad="BS1"/>
</signal>
<signal name="MB_3">
<contactref element="E21" pad="6"/>
<contactref element="R13" pad="1"/>
<contactref element="U$1" pad="BR2"/>
</signal>
<signal name="!MB_3">
<contactref element="U$1" pad="BR1"/>
<contactref element="E21" pad="3"/>
<contactref element="R14" pad="1"/>
</signal>
<signal name="N$19">
<contactref element="E12" pad="3"/>
<contactref element="E9" pad="3"/>
</signal>
<signal name="N$20">
<contactref element="E12" pad="9"/>
<contactref element="E9" pad="6"/>
</signal>
<signal name="CARRY_OK_L">
<contactref element="E12" pad="8"/>
<contactref element="U$1" pad="BU2"/>
</signal>
<signal name="A=B">
<contactref element="E15" pad="8"/>
<contactref element="U$1" pad="BS2"/>
</signal>
</signals>
</board>
</drawing>
</eagle>
