74LS32 2-input OR gate



Product ID: 20046 SKU: ele-20046 Categories: , Tags: , , ,
The 74LS32 is a quad 2-input OR gate integrated circuit (IC) that belongs to the 74xx series of digital logic ICs. The 74LSxx series is known for its high-speed operation and compatibility with other TTL (transistor-transistor logic) devices. The 74LS32 specifically contains four separate OR gates, each of which has two input terminals and one output terminal.


  • Supply Voltage (VCC): Typically 5V (4.75V – 5.25V range).
  • Input Voltage (VIH / VIL): High: ~2V, Low: ~0.8V.
  • Output Voltage (VOH / VOL): High: ~2.7V, Low: ~0.5V.
  • Propagation Delay: Around 9 ns (low-to-high and high-to-low transitions).
  • Temperature Range: 0°C to 70°C.
  • Power Dissipation (PD): Max 500 mW.
  • Package: 14-pin DIP.
  • Logic Compatibility: Compatible with TTL and 5V CMOS.
  • Function: Four independent OR gates, each with 2 inputs, 1 output.
  • Hysteresis: Schmitt-trigger inputs for noise immunity.

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