EPROM Substitution

Gooijen, Henk henk.gooijen at oce.com
Sun Dec 4 04:10:38 CST 2005

Ah yes, now I remember ... indeed it was even 3 power supply voltages,
like the old 4116 DRAMs.
Thanks Tony, a few failing memory bits are corrected :-)
- Henk, PA8PDP.


Van: cctalk-bounces at classiccmp.org namens Tony Duell
Verzonden: za 03-12-2005 22:46
Aan: cctalk at classiccmp.org
Onderwerp: Re: EPROM Substitution

> I vaguely remember that all 2532 and 2732 EPROMs were compatible *except* t=
> he TI one.
> (or was it an other manufacturer?)
> >From that one manufacturer the 2532 used a *second* power supply ... was it=
>  -5V?

You're thinking of the 2K byte (16K bit)  EPROMs. Everybody but TI made a
2716 that was single-rail (+5V supply only). TI's 2716 was a 3-rail part
(+5V, +12V, -5V), the TI 2516 was single-rail part and much the same as
everyone else's 2716.


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