Nascom Newsletter |
Volume 3, Numbers 5 & 6 – June 1984 |
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Page 52 of 69 |
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Principle of
ROM Emulator
For Nascom
Parts List
| IC1 | CD4040B | CMOS COUNTER | + 16 - pin | SOCKET |
| IC2 | 74LS244 | TRI-STATE NON-INV. BUFFER | + 20 - " | " |
| IC3 | " | " | " | " |
| IC4 | " | " | " | " |
| IC5 | " | " | " | " |
| IC6 | 74LS02 | QUAD NOR GATE | + 14 - " | " |
| IC7 | 74LS00 | " NAND GATE | " | " |
| SKT1 | 16-PIN DIL SKT | |||
| SKT2 | 24- " " " | |||
| C1 | 100µF, 16V, ELECTROLYTIC CAPACITOR | |||
| C2, C3 | 10µF, CERAMIC CAPACITOR | |||
| R2 | 10K 1/4W. RESISTOR | |||
| " off | 24 pin HEADER → 24-pin HEADER CABLE, 12″ LONG | |||
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Page 52 of 69 |
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