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Transistor Transistor Logic. Logic circuits built from bipolar transistors and resistors.

8 votes
4 answers
1k views

Do stateful 74LS series chips start in a defined state?

Specifically, 74161 counters and 74377 registers, can I rely on them to be full of zeros on power on?
Max Zabarka's user avatar
1 vote
1 answer
121 views

What is this chip called? [closed]

I need a TTL chip 74 series, that takes in some amount of inputs and one enable bit. When the enable bit is high, the output is the same as the input. …
Max Zabarka's user avatar