Dragon Pal with External Character Rom for Rev 3.1

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Part NumberDescription
74HCT00
74HC2738-bit D Flip-Flop, reset
74HCT20
74HCT86
74ALS74N
MC6847
74HCT390
74HCT32
74LS123N
LM1889N
2318
CD4053
74HCT04
74HCT08
74HCT245Octal BUS Transceivers, 3-State outputs
74HCT02quad 2-input NOR gate
74HCT1G32
HM62256BLP

extrom schematic

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