Hi all,

I'm dreaming to build sometimes my own Bit Slice CPU (when I have spare time) 
and I have collected several IC's in the last years for this purpose.

Today a small antistatic bag with 4x IDT49C402BG84 and two IDT 49C410J
fell in my hands while I was sorting some stuff.

I know what they are and what they could do, they are able to help me
to build a Bit Slice CPU w/o very large PCB's connecting hordes of 2901 etc.
Besides of that they are CMOS and should draw much less power.
But I have a problem with the 49C402: All datasheets that I could find
until now, don't have the pinput auf that nice PGA84 package, there are
DIP68, LCC/PLCC68 G68 or PG68 and QE68 "Cerquad" pinouts listet in every
datasheet, but I have 4 chips in a PGA84 housing...

This ebay page has pictures: https://www.ebay.com/p/10020043211
I don't have anything todo with the seller.

Can anyone help finding the pinout?
The chips itself don't seem to that seldom...

Kind Regards,
Holm
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