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DJ2D Revision 4 Parts List [ ] 2 74LS04/LS14 hex inverter [ ] 1 74LS08 quad 2-input AND gate ID [ ] 1 74LS13/20 dual 4-input NAND gate 88 [ ] 1 74LS30 a-input NAND gate 7C [ 1 2 74LS32 quad 2-input [ ] 3 74LS74 dual D type flip-flop [ ] 1 74LS132 quad 2-input NAND Schmitt Trigger 38 [ 1 74LS155 dual 1 of 4 decoder 9A [ ] 1 74LS161 hexidecimal counter 1B [ ] 1 74l65/74LS165 8 bit parallel load shift register 20 [ ] 2 74LS174 hex register with clear [ 1 2 74LS221 dual monostable - These two parts replace the 74221 Ie which appears on the silk screened legend of the circuit board. [ ] 2 74LS240 octal tri-state buffer [ ] 2 74LS240/244 tri-state buffer [ 3 74LS365/74LS367 hex tri-state buffer [ ] 1 74LS366/74LS368 hex tri-state inverter buffer [ ] 2 74366/74368 hex tri-state inverter buffer [ ] 1 74390/74LS390 dual decade counter 1C ( ] 1 MM6300/630l/82S129/74S287 4 x 256 PROM SC [ ] 1 MMI633l/74LS288 8 x 32 PROM SA [ ] 2 MM6353/82S137/P8426 4 X 1024 PROM 8C, 11C [ ] 2 2114-3L 4 X 1024 low power 300NS static RAM 9C,10C [ ] 1 BR1941/2941/COM5016 dual baud rate generator 120 [ ] 1 TR1602 UART 130 1 FD1791 dual density floppy disk controller 13A 39 OR 7B,108 gate 7A,6C 3B,98,2C 12C,13C 48,68' 9D,10D 5D,60 10A,7D,8D 12B 11B,138
