Electronics

Logic Gate OR 74HC32

AED 8.70

1

Description

The 74HC32 is a quad 2-input OR gate integrated circuit (IC) that belongs to the 74HC series of high-speed CMOS logic devices. It provides four individual OR gate functions in a single package, making it a versatile and essential component for digital logic circuit design. The 74HC32 is designed to offer efficient logic gate operations while minimizing power consumption, making it suitable for a wide range of applications in digital electronics.

Features:

  • Quad 2-Input OR Gates: The 74HC32 contains four separate 2-input OR gates, allowing it to process multiple logic inputs and produce corresponding output signals.
  • High-Speed Operation: As a part of the 74HC series, this IC is known for its high-speed CMOS technology, enabling rapid switching between logic states and contributing to efficient circuit performance.
  • Wide Supply Voltage Range: The 74HC32 can operate within a broad supply voltage range, typically from 2V to 6V, making it compatible with various power supply configurations.
  • Low Power Consumption: With its CMOS design, the 74HC32 is designed to consume minimal power, making it suitable for battery-powered devices and energy-efficient applications.
  • TTL-Compatible Inputs: The inputs of the 74HC32 are compatible with TTL (Transistor-Transistor Logic) levels, facilitating seamless integration with both CMOS and TTL logic systems.
  • Standardized Pinout: The IC comes in standard 14-pin dual in-line package (DIP) or surface-mount package options, ensuring easy integration onto circuit boards and connections with other components.
  • Schmitt Trigger Inputs: The inputs of the 74HC32 incorporate Schmitt trigger technology, which helps improve noise immunity and provides stable operation in noisy environments.

Specifications:

  • Supply Voltage Range: 2V to 6V
  • Operating Temperature: -40°C to +85°C
  • Propagation Delay: Typically 12 ns at 4.5V supply, 40 ns at 2V supply
  • Output Drive Capability: 4 mA at 4.5V supply
  • Input Voltage High (VIH): 2V (min), 6V (max)
  • Input Voltage Low (VIL): 0.8V (min), 2.0V (max)
  • Output Voltage High (VOH): 4.4V at 4.5V supply
  • Output Voltage Low (VOL): 0.1V at 4.5V supply
  • Quiescent Current: 1 μA (max) at 25°C

Pinout:

Pin No. Pin Name Description
1 1A Input A of OR Gate 1
2 1B Input B of OR Gate 1
3 2A Input A of OR Gate 2
4 2B Input B of OR Gate 2
5 3A Input A of OR Gate 3
6 3B Input B of OR Gate 3
7 4A Input A of OR Gate 4
8 4B Input B of OR Gate 4
9 1Y1 OR Gate 1 Output
10 2Y1 OR Gate 2 Output
11 3Y1 OR Gate 3 Output
12 4Y1 OR Gate 4 Output
13 1Y2 OR Gate 1 Output
14 2Y2 OR Gate 2 Output
15 3Y2 OR Gate 3 Output
16 4Y2 OR Gate 4 Output
17 GND Ground (0V)
18 VCC Positive Supply Voltage (2V - 6V)
Pin Number Pin Name Description 1,4,9,12 OR Gate Input pin (A) First Input pin for the OR gate 2,5,10,13 OR Gate Input pin (B) Second Input pin for the OR gate 3,6,8,11 OR Gate Output pin (Q) Output pin for the OR gate 7 Ground Connect to the ground of the circuit. 14 Vcc (Vdd) Used to power the IC. Typically +5V is used

 

OR gate truth table:

A B Q
0 0 0
1 0 1
0 1 1
1 1 1

Datasheet: https://assets.nexperia.com/documents/data-sheet/74HC_HCT32.pdf