7493N DATASHEET PDF

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Thread starter lofiboy Start date Dec 26, Prev 1 2. First Prev 2 of 2 Go to page. Hello Dear Friends, please I was given an assignment to design an 8-bit counter, 7-segment display with given components; TTL N, N family, power source, etc. We were actually instructed to design and simulate with Electronic Workbench Multism. Please, I really need help. Thanks, Outlook Last edited: Dec 31, Roff Well-Known Member. Mr RB said:. I also have doubts about your first transfer chart for the B, where is it from?

Hook one up with a pot on the input and you should see a very obvious hysteresis right around the expected voltages. From my databook; BUB 1. Now the schmidt version; BUB 1. But maybe there are still some crap manufacturers that can't design a CMOS input pin circuit. Can you suggest a brand or chip I can test?? Because it was 2AM after a show and I could hardly see. LOL Andy. Roman, you are wrong. With a 5V supply its switching threshold input voltage is anywhere from 1.

Ordinary 74HCxxx high speed Cmos gates are the same. That is why an inverting gate can be used with a negative feedback resistor to make a linear amplifier. An inverting gate with a Schmitt trigger input cannot be a linear amplifier because the hysteresis will make its output latch. Ron, I also agree with you and audio. I ran this test on 3 different gates. Vcc was 5. Results were as follows: 1. Vin was a triangle wave swinging between 1. Vout was a square wave at the same frequency.

Roman, you are misinterpreting the input specs in the datasheets. You must log in or register to reply here. Latest threads A. General Electronics Chat. Automotive Electronics. Renewable Energy. This site uses cookies to help personalise content, tailor your experience and to keep you logged in if you register. By continuing to use this site, you are consenting to our use of cookies. Accept Learn more….

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