Re: Dating a C-64 board

From: William Levak (wlevak_at_cyberspace.org)
Date: 1999-04-19 19:40:00

On Mon, 19 Apr 1999, Sam Laur wrote:

> >  
> > The first PLA's for the C64 had paper labels with various numbers.  All
> > the C64 PLA's are functionally equivalent.  These must be batch numbers as
> > Commodore always sold the PLA under the same part number.
> > 
> 
> Really? Then what is this PLA then :
> 
> C=
> 251064-01
> 112A101
> 8323 H32
> 
> It's in a plastic DIP case visibly different from the usual MOS ones -
> it doesn't have the half-circle depression at one end to identify it, but
> a depressed 1mm wide "line" running along the left side (pins 1-14).

I've never seen that one, and I cannot find the part number in any of my
lists.  Where does it come from?



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