Programming 2708's

[lee davison]

>>  What programmer can I look for that has the ability to program a
>> 2708?

I have a Softy 2 that can do it if you're really stuck.

> Not just that, the programming algorithm is different to most
> other EPROMs. IIRC you have to program all locations in sequence,
> giving each one a 1ms (IIRC) programming pulse, and repeat that
> 50 times.

Any bit in any byte can be individually programmed from 1 to 0.
There are no sequence requirements, the programming pulse is one
pulse of 50ms per location programmed.

> You can't program odd locations like you can in later EPROMs.

You can, it's EPROM microcontrollers like the 68705 that need to
be programmed in sequence.

Lee.



		
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