IC question and hamfest finds

From: Joe <rigdonj_at_intellistar.net>
Date: Sun Feb 13 17:04:51 2000

At 08:56 PM 2/13/00 GMT, Pete wrote:
>
>AMD used 91xx for RAM, 92xx for mask ROM (with a couple of exceptions), and
>97xx for EPROM. AM9217 is an NMOS 2048 x 8-bit ROM; A is the speed
>(550ns), P means 24-pin plastic, C means commercial temperature range (0-70
>Celcius). Pinout is the same as an 8316, 2716 compatible, but the chip
>selects on pins 18,20,21 can be specified either active-high or active-low.
> The AM9217 was superceded in the late 70's by the AM9218.

   Thanks for the info Pete. Too bad AMD didn't put that in their IC website.

   Joe
Received on Sun Feb 13 2000 - 17:04:51 GMT