7402: Difference between revisions
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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 == | ||
<pre> | <pre> | ||
.--\/--. | .--\/--. | ||
1Y --|01 14|-- +5V | |||
1A --|02 13|-- 4Y | |||
1B --|03 12|-- 4B | |||
2Y --|04 11|-- 4A | |||
2A --|05 10|-- 3Y | |||
2B --|06 09|-- 3B | |||
Gnd --|07 08|-- | Gnd --|07 08|-- 3A | ||
`------'</pre> | `------'</pre> | ||
Revision as of 03:55, 10 May 2011
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|-- 4B
2Y --|04 11|-- 4A
2A --|05 10|-- 3Y
2B --|06 09|-- 3B
Gnd --|07 08|-- 3A
`------'
Signal descriptions
Y is low if either A or B is high, and is high if A and B are both low.
