'OT: Help indentifying memory chips'
Hey folks, sorry for the OT, but I have some old cahce RAM chips
from a 386 MB of about 1992. I could not find a hit for any of these
on the Chip Index. I think some of these may be useful for future
PIC projects I may undertake. Here Goes:
Data sheets, or at the very least, pinouts and timing would be very
nice for each of these. ASCII art would be fine if someone has
a non-electronic copy they could extract the raw info from.
I think it is Intel because of the large lower case "i"
logo. Probably a x1 chip. Good potential for serial
memory when used with shift register(s) for address?
Toshiba's web dataa sheet search turned up zilch.
I don't remember what these came out of...
Presumeably more cache chips. 28 pins. Manufacturer's
logo is some kind of amalgamated looking "MHS". The "S" looks
more like a backward "Z". Must be a x8 due to pin count.
Thanks for the help!
> Intel P21256-08
DRAM, 256k x 1 bit 80 nS most likely. Good for tileing the bathroom if
you've got a lot of them, and a lot of patience.
> TOSHIBA TC55416-15H
Sounds like 15nS cache Sram. Those are easy to use.
Matra-Harris part, sounds like more cache SRAM.
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