On Mar 21, 23:04, Allison J Parent wrote:
> <> Are these single voltage or multiple? 4k? 22pin? sounds like the
> <> semi-4600 and NEC D410 parts, a 4k pseudostatic 200ns cycle and access
> <> under 120ns. I've got a rat load of upd410s. The moto part number
> <> doesn't compute though.
> <
> <uPD410 is 18-pin 0.3" width, 4k x 1, with one ~CE line (the MOS
Technology
> <MCS6550 has 2 ~CS and 2 CS lines and it's 0.4" wide). I can't find any
> <data on a 4600 but I assume it's similar.
> uPD410 .4" 22pin three voltage 4Kx1, seperate din and dout, CE and CS/
three
> voltage pseudostatic. replaces Semi-4200 and 4402, fastest version to
80ns
> access. (it was a screamer for 1978).
Oops, I misread the data book -- you're right of course, uPD410 is .4"
--
Pete Peter Turnbull
Dept. of Computer Science
University of York
Received on Wed Mar 22 2000 - 02:26:44 GMT