[rescue] Sun Ultra 2 series PROMs
mouse at Rodents-Montreal.ORG
Thu Jan 2 22:02:58 CST 2014
> Every DIP I've ever seen had Vcc and GND on those respective corners.
I've seen a few that don't. In particular, there's a 1Kx1 static RAM
chip and there are a few 74xx TTL logic chips (the 7475 is the first
one I find). And there are a lot of the closer-to-analog chips; the
two I know best are the 555 and the 741, but I'd be astonished if there
weren't a bunch more. And any chip that takes more than two power pins
has no choice.
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