General logic ICs of the 74xx series

This is a list of number of pins and the function of general-purpose logic ICs of the 74xx series. There is also 54xx and 40xx series.

74xx and 54xx series IC’s are TTL, with Vcc from 4.75 to 5.25v.

54xx are made with an extended military-specification temperature range.

40xx series are CMOS, with Vdd from 3v to 16v, some can be higher or lower.

As there are many suppliers, please see the data sheet of each supplier for details.

Last updated on 2022-12-20 at 22:23 UTC

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