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"Alan B. Pearce" wrote:

> >Is there anywhere on net schematic for programmer for EPROM, EEPROM,
> >PAL, GAL ICs????
> >I need to build, not to buy one of these...
>
> You will have a job finding one for Pals and Gals as the programming algorithm
> is regarded as proprietary, and only released on signing a non-disclosure
> agreement. Having said that there are a very small number of people who seem to
> have reverse engineered the algorithm, and designed programmers.
>
> If you do find one do take note that the Philips/Signetics range that was
> available used a different JEDEC table arrangement and programming algorithm to
> everyone else.

Yeah, that's OK
But i would like to build something like ALL07 - testing CMOS40xx, TTL74xx IC's. ,
programming EEPROMs, EPROMs, PIC's, AMTEL, AVRetc...
I dont have money to buy professional programmer...

>
>
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