Micropower |
Volume 2, Number 1 – February 1982 |
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Page 19 of 37 |
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Fig. 1 2708 PROGRAMMER CIRCUIT
| NOTES: | 1) PORT A OF PIO USED FOR DATA, PORT B FOR CONTROL |
| 2) DECOUPLING CAPACITORS 0.01 – 0.1 uf SHOULD BE USED ON EACH IC (AS ON IC 3) | |
| 3) THE PIN NUMBERS SHOWN REFER TO THE NASCOM 2 26-WAY PIO CONNECTOR | |
| 4) OBSERVE CMOS HANDLING PRECAUTIONS WITH ICs 1 AND 3, AND THE EPROMS | |
| 5) IF POSSIBLE USE ZERO INSERTION FORCE SOCKETS FOR THE EPROMS | |
| 6) UNMARKED PULL UP RESISTORS CAN BE IN THE RANGE 4.7K TO 10K |
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Page 19 of 37 |
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