7408: Difference between revisions

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The '''7408''' (variants 74LS08, 74HC08) is a 74-series logic IC with four independent 2-Input AND gates.
The '''7408''' (variants 74LS08, 74HC08) is a 74-series logic IC with four independent 2-input AND gates.
== 7408 Pinout ==
== 7408 Pinout ==
      .--\/--.
{{Pinout74xxQuad14pin}}
  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 ==
== Signal descriptions ==
Y is high if both A and B are high. Y is low otherwise.
Y is high if both A and B are high. Y is low if at least one of A and B is low.


[[Category:7400 series|08]]
[[Category:7400 series|008]]

Latest revision as of 22:21, 18 October 2018

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| <- 4A
  1Y <- |03  12| <- 4B
  2A -> |04  11| -> 4Y
  2B -> |05  10| <- 3A
  2Y <- |06  09| <- 3B
 Gnd -- |07  08| -> 3Y
        `------'

Signal descriptions

Y is high if both A and B are high. Y is low if at least one of A and B is low.