Originally Posted by hap
Lord Nightmare: mayhaps Speak & Spell mcu core is the same one TI-5025. That one has loads of output PLA terms. **edit**: 32 terms, "0262C, T 0260A" marked on die

see pic on sean's site, on this page http://www.seanriddle.com/ticalcs.html

I'm *guessing* the tms0260 is the immediate predecessor of the speak and spell MCU which is tmc0270 (well, ti numbered the first few masks of each chip by incrementing the last digit i.e. tmc0271 tmc0272, tmc0274 etc, though later chips are tmc0270-xyz)


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