> Those are 74LS181s (Close in number....but not the same.) Actually,
>there IS a 74LS182, which is the Carry-Lookahead Generator on there too.
>
> The manuals actually refer to 25LS181s, which I've never heard of
>before.
Do believe those are just Advanced Microdevices old "equivalent" numbering
scheme for 74xxx parts.
-Clay
Clayton N. Cowgill Engineering Manager
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