SN74S88N? Is that the correct p/n?
On Wed, Jan 20, 2010 at 10:35 AM, js@cimmeri.com <js@cimmeri.com> wrote:
>
> Hi folks. Trying to create a backup copy of a game board's National Semi
> DM74S288N 32x8 bit prom into what I believe is the equivalent chip, a TI
> SN74S88N. Yet, my Data I/O 2900 and Optima burners -- both of which only
> list the Nat Semi chip -- can't seem to program the TI prom. They can read
> it, blank checks ok, but errs on burn -- all bits remain zeros.
>
> Anyone run into this problem before? Are the NS and TI chips not
> identical?
>
> Thanks for any advice.
>
> John Singleton
> Rockville, MD
>
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Received on Wed Jan 20 14:14:25 2010
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