D:/ownCloud/Documents/Projects/RC6502/RC6502 RAM/RC6502 RAM.sch 06/05/2017 21:17:33 Eeschema 4.0.6 <company/> <rev/> <date/> <source>RC6502 RAM.sch</source> <comment number="1" value=""/> <comment number="2" value=""/> <comment number="3" value=""/> <comment number="4" value=""/> </title_block> </sheet> </design> <components> <comp ref="U1"> <value>HM62256BLP-7</value> <footprint>Housings_DIP:DIP-28_W15.24mm_Socket</footprint> <libsource lib="memory" part="HM62256BLP-7"/> <sheetpath names="/" tstamps="/"/> <tstamp>590A1931</tstamp> </comp> <comp ref="R1"> <value>10k</value> <footprint>Resistors_THT:R_Axial_DIN0207_L6.3mm_D2.5mm_P10.16mm_Horizontal</footprint> <libsource lib="device" part="R"/> <sheetpath names="/" tstamps="/"/> <tstamp>590BED30</tstamp> </comp> <comp ref="J1"> <value>Page PullUp</value> <footprint>Pin_Headers:Pin_Header_Angled_1x02_Pitch2.54mm</footprint> <libsource lib="conn" part="CONN_01X02"/> <sheetpath names="/" tstamps="/"/> <tstamp>590C6113</tstamp> </comp> <comp ref="J3"> <value>CONN_01X39</value> <footprint>Pin_Headers:Pin_Header_Angled_1x39_Pitch2.54mm</footprint> <libsource lib="conn" part="CONN_01X39"/> <sheetpath names="/" tstamps="/"/> <tstamp>590B4CA1</tstamp> </comp> <comp ref="J2"> <value>Bus enable</value> <footprint>Pin_Headers:Pin_Header_Angled_1x02_Pitch2.54mm</footprint> <libsource lib="conn" part="CONN_01X02"/> <sheetpath names="/" tstamps="/"/> <tstamp>590B8522</tstamp> </comp> <comp ref="U2"> <value>74HCT00</value> <footprint>Housings_DIP:DIP-14_W7.62mm_Socket</footprint> <libsource lib="74xx" part="74HCT00"/> <sheetpath names="/" tstamps="/"/> <tstamp>590BA5CE</tstamp> </comp> <comp ref="C1"> <value>100nF</value> <footprint>Capacitors_THT:C_Disc_D4.7mm_W2.5mm_P5.00mm</footprint> <libsource lib="device" part="C"/> <sheetpath names="/" tstamps="/"/> <tstamp>590DFF39</tstamp> </comp> <comp ref="C2"> <value>100nF</value> <footprint>Capacitors_THT:C_Disc_D4.7mm_W2.5mm_P5.00mm</footprint> <libsource lib="device" part="C"/> <sheetpath names="/" tstamps="/"/> <tstamp>590E0960</tstamp> </comp> <comp ref="JP1"> <value>HIGH | LOW</value> <footprint>Pin_Headers:Pin_Header_Angled_1x03_Pitch2.54mm</footprint> <libsource lib="device" part="Jumper_NC_Dual"/> <sheetpath names="/" tstamps="/"/> <tstamp>5910854D</tstamp> </comp> </components> <libparts> <libpart lib="74xx" part="74LS00"> <aliases> <alias>74LS37</alias> <alias>7400</alias> <alias>74HCT00</alias> <alias>74HC00</alias> </aliases> <description>Quad nand2</description> <footprints> <fp>14DIP300*</fp> <fp>SO14*</fp> </footprints> <fields> <field name="Reference">U</field> <field name="Value">74LS00</field> </fields> <pins> <pin num="1" name="~" type="input"/> <pin num="2" name="~" type="input"/> <pin num="3" name="~" type="output"/> <pin num="4" name="~" type="input"/> <pin num="5" name="~" type="input"/> <pin num="6" name="~" type="output"/> <pin num="7" name="GND" type="power_in"/> <pin num="8" name="~" type="output"/> <pin num="9" name="~" type="input"/> <pin num="10" name="~" type="input"/> <pin num="11" name="~" type="output"/> <pin num="12" name="~" type="input"/> <pin num="13" name="~" type="input"/> <pin num="14" name="VCC" type="power_in"/> </pins> </libpart> <libpart lib="device" part="C"> <description>Unpolarized capacitor</description> <footprints> <fp>C_*</fp> </footprints> <fields> <field name="Reference">C</field> <field name="Value">C</field> </fields> <pins> <pin num="1" name="~" type="passive"/> <pin num="2" name="~" type="passive"/> </pins> </libpart> <libpart lib="conn" part="CONN_01X02"> <description>Connector, single row, 01x02, pin header</description> <footprints> <fp>Pin_Header_Straight_1X*</fp> <fp>Pin_Header_Angled_1X*</fp> <fp>Socket_Strip_Straight_1X*</fp> <fp>Socket_Strip_Angled_1X*</fp> </footprints> <fields> <field name="Reference">J</field> <field name="Value">CONN_01X02</field> </fields> <pins> <pin num="1" name="P1" type="passive"/> <pin num="2" name="P2" type="passive"/> </pins> </libpart> <libpart lib="conn" part="CONN_01X39"> <description>Connector, single row, 01x39, pin header</description> <footprints> <fp>Pin_Header_Straight_1X*</fp> <fp>Pin_Header_Angled_1X*</fp> <fp>Socket_Strip_Straight_1X*</fp> <fp>Socket_Strip_Angled_1X*</fp> </footprints> <fields> <field name="Reference">J</field> <field name="Value">CONN_01X39</field> </fields> <pins> <pin num="1" name="P1" type="passive"/> <pin num="2" name="P2" type="passive"/> <pin num="3" name="P3" type="passive"/> <pin num="4" name="P4" type="passive"/> <pin num="5" name="P5" type="passive"/> <pin num="6" name="P6" type="passive"/> <pin num="7" name="P7" type="passive"/> <pin num="8" name="P8" type="passive"/> <pin num="9" name="P9" type="passive"/> <pin num="10" name="P10" type="passive"/> <pin num="11" name="P11" type="passive"/> <pin num="12" name="P12" type="passive"/> <pin num="13" name="P13" type="passive"/> <pin num="14" name="P14" type="passive"/> <pin num="15" name="P15" type="passive"/> <pin num="16" name="P16" type="passive"/> <pin num="17" name="P17" type="passive"/> <pin num="18" name="P18" type="passive"/> <pin num="19" name="P19" type="passive"/> <pin num="20" name="P20" type="passive"/> <pin num="21" name="P21" type="passive"/> <pin num="22" name="P22" type="passive"/> <pin num="23" name="P23" type="passive"/> <pin num="24" name="P24" type="passive"/> <pin num="25" name="P25" type="passive"/> <pin num="26" name="P26" type="passive"/> <pin num="27" name="P27" type="passive"/> <pin num="28" name="P28" type="passive"/> <pin num="29" name="P29" type="passive"/> <pin num="30" name="P30" type="passive"/> <pin num="31" name="P31" type="passive"/> <pin num="32" name="P32" type="passive"/> <pin num="33" name="P33" type="passive"/> <pin num="34" name="P34" type="passive"/> <pin num="35" name="P35" type="passive"/> <pin num="36" name="P36" type="passive"/> <pin num="37" name="P37" type="passive"/> <pin num="38" name="P38" type="passive"/> <pin num="39" name="P39" type="passive"/> </pins> </libpart> <libpart lib="memory" part="HM62256BLP-7"> <aliases> <alias>HM62256BLP-7SL</alias> </aliases> <description>SRAM 32K x 8 bits, DIP28 600mil, 70ns</description> <footprints> <fp>DIP28*</fp> </footprints> <fields> <field name="Reference">U</field> <field name="Value">HM62256BLP-7</field> <field name="Footprint">DIP28</field> </fields> <pins> <pin num="1" name="A14" type="input"/> <pin num="2" name="A12" type="input"/> <pin num="3" name="A7" type="input"/> <pin num="4" name="A6" type="input"/> <pin num="5" name="A5" type="input"/> <pin num="6" name="A4" type="input"/> <pin num="7" name="A3" type="input"/> <pin num="8" name="A2" type="input"/> <pin num="9" name="A1" type="input"/> <pin num="10" name="A0" type="input"/> <pin num="11" name="D0" type="3state"/> <pin num="12" name="D1" type="3state"/> <pin num="13" name="D2" type="3state"/> <pin num="14" name="GND" type="power_in"/> <pin num="15" name="D3" type="3state"/> <pin num="16" name="D4" type="3state"/> <pin num="17" name="D5" type="3state"/> <pin num="18" name="D6" type="3state"/> <pin num="19" name="D7" type="3state"/> <pin num="20" name="~CS" type="input"/> <pin num="21" name="A10" type="input"/> <pin num="22" name="~OE" type="input"/> <pin num="23" name="A11" type="input"/> <pin num="24" name="A9" type="input"/> <pin num="25" name="A8" type="input"/> <pin num="26" name="A13" type="input"/> <pin num="27" name="~WE" type="input"/> <pin num="28" name="VCC" type="power_in"/> </pins> </libpart> <libpart lib="device" part="Jumper_NC_Dual"> <description>Dual Jumper, normally closed</description> <fields> <field name="Reference">JP</field> <field name="Value">Jumper_NC_Dual</field> </fields> <pins> <pin num="1" name="1" type="passive"/> <pin num="2" name="2" type="passive"/> <pin num="3" name="3" type="passive"/> </pins> </libpart> <libpart lib="device" part="R"> <description>Resistor</description> <footprints> <fp>R_*</fp> <fp>R_*</fp> </footprints> <fields> <field name="Reference">R</field> <field name="Value">R</field> </fields> <pins> <pin num="1" name="~" type="passive"/> <pin num="2" name="~" type="passive"/> </pins> </libpart> </libparts> <libraries> <library logical="memory"> <uri>C:\Program Files\KiCad\share\kicad\library\memory.lib</uri> </library> <library logical="device"> <uri>C:\Program Files\KiCad\share\kicad\library\device.lib</uri> </library> <library logical="conn"> <uri>C:\Program Files\KiCad\share\kicad\library\conn.lib</uri> </library> <library logical="74xx"> <uri>C:\Program Files\KiCad\share\kicad\library\74xx.lib</uri> </library> </libraries> <nets> <net code="1" name="Net-(J3-Pad23)"> <node ref="J3" pin="23"/> </net> <net code="2" name="VCC"> <node ref="J3" pin="18"/> <node ref="U2" pin="14"/> <node ref="C2" pin="1"/> <node ref="C1" pin="1"/> <node ref="R1" pin="1"/> <node ref="U1" pin="28"/> </net> <net code="3" name="WE"> <node ref="U1" pin="27"/> <node ref="U2" pin="8"/> </net> <net code="4" name="PHI2"> <node ref="J3" pin="19"/> <node ref="U2" pin="9"/> </net> <net code="5" name="Net-(U2-Pad10)"> <node ref="U2" pin="10"/> <node ref="U2" pin="11"/> </net> <net code="6" name="WR"> <node ref="J3" pin="24"/> <node ref="U2" pin="12"/> <node ref="U2" pin="13"/> </net> <net code="7" name="GND"> <node ref="U2" pin="7"/> <node ref="C2" pin="2"/> <node ref="C1" pin="2"/> <node ref="U1" pin="14"/> <node ref="J3" pin="17"/> </net> <net code="8" name="Net-(J3-Pad25)"> <node ref="J3" pin="25"/> </net> <net code="9" name="D5"> <node ref="U1" pin="17"/> <node ref="J3" pin="32"/> </net> <net code="10" name="A3"> <node ref="U1" pin="7"/> <node ref="J3" pin="13"/> </net> <net code="11" name="D6"> <node ref="U1" pin="18"/> <node ref="J3" pin="33"/> </net> <net code="12" name="A2"> <node ref="J3" pin="14"/> <node ref="U1" pin="8"/> </net> <net code="13" name="D7"> <node ref="J3" pin="34"/> <node ref="U1" pin="19"/> </net> <net code="14" name="A1"> <node ref="U1" pin="9"/> <node ref="J3" pin="15"/> </net> <net code="15" name="Net-(J3-Pad35)"> <node ref="J3" pin="35"/> </net> <net code="16" name="A0"> <node ref="U1" pin="10"/> <node ref="J3" pin="16"/> </net> <net code="17" name="Net-(J3-Pad26)"> <node ref="J3" pin="26"/> </net> <net code="18" name="Net-(J3-Pad36)"> <node ref="J3" pin="36"/> </net> <net code="19" name="CS_HI"> <node ref="U2" pin="3"/> <node ref="JP1" pin="3"/> </net> <net code="20" name="D0"> <node ref="J3" pin="27"/> <node ref="U1" pin="11"/> </net> <net code="21" name="Net-(J3-Pad37)"> <node ref="J3" pin="37"/> </net> <net code="22" name="D1"> <node ref="J3" pin="28"/> <node ref="U1" pin="12"/> </net> <net code="23" name="D2"> <node ref="U1" pin="13"/> <node ref="J3" pin="29"/> </net> <net code="24" name="Net-(J3-Pad39)"> <node ref="J3" pin="39"/> </net> <net code="25" name="PAGE"> <node ref="J2" pin="1"/> <node ref="U2" pin="4"/> <node ref="U2" pin="5"/> <node ref="J1" pin="2"/> </net> <net code="26" name="Net-(J2-Pad2)"> <node ref="J3" pin="38"/> <node ref="J2" pin="2"/> </net> <net code="27" name="Net-(U2-Pad1)"> <node ref="U2" pin="1"/> <node ref="U2" pin="6"/> </net> <net code="28" name="A15"> <node ref="JP1" pin="1"/> <node ref="U2" pin="2"/> <node ref="J3" pin="1"/> </net> <net code="29" name="CS"> <node ref="U1" pin="22"/> <node ref="JP1" pin="2"/> <node ref="U1" pin="20"/> </net> <net code="30" name="Net-(J1-Pad1)"> <node ref="J1" pin="1"/> <node ref="R1" pin="2"/> </net> <net code="31" name="Net-(J3-Pad22)"> <node ref="J3" pin="22"/> </net> <net code="32" name="A13"> <node ref="U1" pin="26"/> <node ref="J3" pin="3"/> </net> <net code="34" name="A14"> <node ref="J3" pin="2"/> <node ref="U1" pin="1"/> </net> <net code="35" name="A12"> <node ref="J3" pin="4"/> <node ref="U1" pin="2"/> </net> <net code="36" name="A11"> <node ref="J3" pin="5"/> <node ref="U1" pin="23"/> </net> <net code="37" name="A10"> <node ref="J3" pin="6"/> <node ref="U1" pin="21"/> </net> <net code="38" name="A9"> <node ref="J3" pin="7"/> <node ref="U1" pin="24"/> </net> <net code="39" name="A8"> <node ref="U1" pin="25"/> <node ref="J3" pin="8"/> </net> <net code="40" name="A7"> <node ref="U1" pin="3"/> <node ref="J3" pin="9"/> </net> <net code="41" name="A6"> <node ref="U1" pin="4"/> <node ref="J3" pin="10"/> </net> <net code="42" name="Net-(J3-Pad20)"> <node ref="J3" pin="20"/> </net> <net code="43" name="D3"> <node ref="U1" pin="15"/> <node ref="J3" pin="30"/> </net> <net code="44" name="A5"> <node ref="U1" pin="5"/> <node ref="J3" pin="11"/> </net> <net code="45" name="Net-(J3-Pad21)"> <node ref="J3" pin="21"/> </net> <net code="46" name="D4"> <node ref="U1" pin="16"/> <node ref="J3" pin="31"/> </net> <net code="47" name="A4"> <node ref="U1" pin="6"/> <node ref="J3" pin="12"/> </net> </nets> </export>