7408
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The 7408 (variants 74LS08, 74HC08) is a 74-series logic IC with four independent 2-Input AND gates.
7408 Pinout
.--\/--. 1A --|01 14|-- +5V 1B --|02 13|-- 4B 1Y --|03 12|-- 4A 2A --|04 11|-- 4Y 2B --|05 10|-- 3B 2Y --|06 09|-- 3A Gnd --|07 08|-- 3Y `------'
Signal descriptions
Y is low if either A or B is high, and is high if A and B are both low.