replace an EPROM with an EEPROM?

Ross Myers ponty at axis.jeack.com.au
Sat Jan 30 23:38:42 GMT 1999



>Pinouts are different... 27C256 is a 28 pin, 28256 is a 32 pin...


But electrically would it work?, an adaptor would be no prob really.
I assume the extra pins are for re-programming?.
I agree with Ted, this method would save so much time.

>At 05:06 PM 1/29/99 -0500, you wrote:
>>Has anyone tried to replace an Eprom with and EEprom?
>>Specifically, Replace the 27c256 in a Memcal with a 28256?
>>Does anyone know if it would work?  or is the pinout somehow different?
>>The reason I'm interested in doing this is because it would be more
economical
>>and efficient.
>>
>>Also, what do people do about removing and replacing their Eproms from the
>>Memcals when reprogramming them?  Do you solder in ZIF sockets?
>>
>>I want to start lookin at and modifying my Memcal, but have never done any
of
>>this stuff before.
>>
>>Thanks,
>>Ted
>
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