When you go on your favorite cheap online shopping platform and order a batch of 74LS logic ICs, what do you get? Most likely relabeled 74HC ICs, if the results of an AliExpress order by [More Fun ...
In previous columns we’ve looked at TTL and CMOS logic devices in isolation. Things start to become interesting if we wish to use TTL and CMOS components in the same circuit. In previous columns we’ve ...
Since you can now get CMOS parts with comparable speeds to these TTL parts, why would anyone continue to use TTL? In fact, there a few reasons… Since you can now get CMOS parts with comparable speeds ...
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