7402: Difference between revisions
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(FFS the 74'02 goes backwards from the 74'32) |
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The '''7402''' (variants 74LS02, 74HC02) is a 74-series logic IC with four independent 2- | The '''7402''' (variants 74LS02, 74HC02) is a 74-series logic IC with four independent 2-input NOR gates. | ||
== 7402 Pinout == | == 7402 Pinout == | ||
.--\/--. | .--\/--. | ||
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Y is low if either A or B is high, and is high if A and B are both low. | Y is low if either A or B is high, and is high if A and B are both low. | ||
[[Category:7400 series| | [[Category:7400 series|002]] | ||
Revision as of 22:12, 18 October 2018
The 7402 (variants 74LS02, 74HC02) is a 74-series logic IC with four independent 2-input NOR gates.
7402 Pinout
.--\/--.
1Y <- |01 14| -- +5V
1A -> |02 13| -> 4Y
1B -> |03 12| <- 4A
2Y <- |04 11| <- 4B
2A -> |05 10| -> 3Y
2B -> |06 09| <- 3A
Gnd -- |07 08| <- 3B
`------'
Signal descriptions
Y is low if either A or B is high, and is high if A and B are both low.
