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TMS9900 chip with additional marking MP9514


Stuart

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Does anyone have, or know anything about, TMS9900 chips with the additional marking "MP9514". It will probably be a ceramic chip with a gold top. I've been contacted by a chap who's after one to repair some equipment. Apparently it's not interchangeable with the standard TMS9900 chip (although its still 64-pin, 0.6" wide). I seem to recall that the MP number relates to a mask number so its probably different internally somehow.

 

Stuart.

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If Google does not turn up something, good luck finding any "offline" info. Someone would have to have the old datasheet or something. I have to imagine sourcing one will be even harder. If the differences were known, it might be possible to modify a standard 9900 to work?

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