I've taken some time to search this out, and cannot find anything satisfactory. I am doing an inventory of a massive bulk buy of
- Matt
Not likely. There are 'replacement guides' that marketing departments use to steer customers to their employer, but in general the info made available is as much FUD as possible.
I recall Fairchild once noted that their 4000 CMOS was compatible with their LSTTL because the temperature tracking meant that worst-case current for CMOS was at high temperature, but worst-case current for LSTTL was at low temperature. So, they claimed all Fairchild
4000 series would drive any Fairchild LSTTL, at equal temperatures, THEN cautioned that the same 'might not' hold true of any other manufacturer's parts.RCA had a completely different analysis of TTL/CMOS compatibility. You could never be sure if the RCA part and the Fairchild part were compatible, not from the data sheet, nor from the ancillary claims.
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