Need Data Sheet

Billy Pettit Billy.Pettit at
Mon Jul 9 19:15:33 CDT 2007

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.


Any help for pinouts or data sheet greatly appreciated.



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