7432

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The 7432 (variants 74LS32, 74HC32) is a 74-series logic IC with four independent 2-input OR gates.

7432 Pinout

      .--\/--.
 1A - |01  16| - +5V
 1B - |02  15| - 4A
 1Y - |03  14| - 4B
 2A - |04  13| - 4Y
 2B - |05  12| - 3A
 2Y - |06  11| - 3B
Gnd - |07  10| - 3Y
      `------'

Signal descriptions

For each set of pins starting with the same number, Y is high if either A or B are high.