7427: Difference between revisions
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(Created page with "The '''7427''' (variants 74LS27, 74HC27) is a 74-series logic IC with three independent 3-input NOR gates. == 7427 Pinout == .--\/--. 1A -> |01 14| -- +5V 1B -> |...") |
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== References == | == References == | ||
* [ | * [https://www.kingswood-consulting.co.uk/giicm/7400.html#7427 GIICM – 7400 series TTL IC's: 7400...7449] | ||
[[Category:7400 series|027]] | [[Category:7400 series|027]] | ||
Latest revision as of 00:03, 4 August 2023
The 7427 (variants 74LS27, 74HC27) is a 74-series logic IC with three independent 3-input NOR gates.
7427 Pinout
.--\/--.
1A -> |01 14| -- +5V
1B -> |02 13| <- 1C
2A -> |03 12| -> 1Y
2B -> |04 11| <- 3C
2C -> |05 10| <- 3B
2Y <- |06 09| <- 3A
Gnd -- |07 08| -> 3Y
`------'
Signal descriptions
Y is high if all of A, B and C are low. Y is low if any of A, B or C is high.
