Logic Gate OR 74HC32
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) |
OR gate truth table:
| A | B | Q |
|---|---|---|
| 0 | 0 | 0 |
| 1 | 0 | 1 |
| 0 | 1 | 1 |
| 1 | 1 | 1 |