7402: Difference between revisions
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(→7402 Pinout: was wrong ... and use a template) |
(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-Input NOR gates. | The '''7402''' (variants 74LS02, 74HC02) is a 74-series logic IC with four independent 2-Input NOR gates. | ||
== 7402 Pinout == | == 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 == | == Signal descriptions == | ||
Revision as of 20:06, 6 July 2016
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.
