Need Data Sheet

Geoff Reed geoffr at zipcon.net
Mon Jul 9 20:02:24 CDT 2007


Quoting Billy Pettit <Billy.Pettit at wdc.com>:

> I recently came across a stock of what seems to be 16 bit wide memory
> chips.
> But I'm getting nowhere trying to find a data sheet.  Can anybody help
> out?
> 
>  
> 
> The parts are UM61M512K-15, 32 pins DIP.  The logo is round, world
> shaped
> with 3 vertical and 3 horizontal lines.  Date codes are 95 and 96.
> 
> The parts were on some mini-486 PCBs.  
>
> If these really are 16 bit wide and 32K deep, they would be great for a
> SBC
> I'm building.  Especially if the 15 means 15 ns.

Sounds like Sram from the L2 Cache on the 486 boards.



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