On 30 Apr 2012 at 15:00, CRC wrote:
To totally confuse the situation, the TMS2716 in not
compatible with
the Intel 2716 whereas the TMS2516 is, The TMS2732 is industry
standard whereas the TMS2532 is not. This goes back to the time when
the industry was sorting out what was going to be standard - one
should be extremely careful when choosing, changing, or programming
PROMs of this vintage.
It was a mess, wasn't it? Motorola offered both the MCM2716 (single
supply) and the TMS2716 (3 supply) PROMs. Moto seemed to want to
continue the 24-pin line to the 8KB MCM68764 instead of the 28 pin
2764.
The biggest difference I remember on the 2732 (TI vs. Intel) is where
Vpp went.
--Chuck