Overview
The SN74HC32N is a quadruple 2-input OR gate integrated circuit produced by Texas Instruments. This device is part of the HC (High-Speed CMOS) logic family and is designed to perform the Boolean function Y = A + B in positive logic. It contains four independent 2-input OR gates, making it versatile for various digital logic applications.
The SN74HC32N is available in a 14-pin PDIP (Plastic Dual In-Line Package) and operates over a wide voltage range of 2 V to 6 V and a temperature range of –40°C to +85°C, making it suitable for a broad range of environments and applications.
Key Specifications
| Parameter | Value | Unit |
|---|---|---|
| Package Type | PDIP (N) | - |
| Pins | 14 | - |
| Operating Temperature Range | –40 to 85 | °C |
| Supply Voltage (VCC) | 2 to 6 | V |
| Continuous Output Current | ±25 mA | mA |
| Propagation Delay (tpd) | 8 to 125 ns | ns |
| Input Leakage Current | ±1 µA | µA |
| Supply Current (ICC) | 2 to 40 µA | µA |
| Input Capacitance | 3 to 10 pF | pF |
Key Features
- Buffered Inputs: Ensures stable and reliable input signals.
- Wide Operating Voltage Range: Operates from 2 V to 6 V, making it versatile for different power supply conditions.
- Wide Operating Temperature Range: Functions from –40°C to +85°C, suitable for various environmental conditions.
- High Fanout Capability: Supports fanout up to 10 LSTTL loads.
- Power Efficiency: Significant power reduction compared to LSTTL logic ICs.
- Symmetrical CMOS Push-Pull Output Configuration: Provides balanced drive capabilities, ensuring robust performance across diverse load conditions.
Applications
- Error Signal Monitoring: Can be used to monitor error signals from multiple devices, consolidating them into a single output.
- Environmental Control Systems: Useful in systems where the strategic use of OR gates can initiate responsive automation tasks, such as activating a fan if any device overheats.
- Digital Logic Circuits: Ideal for various digital logic applications where OR gate functionality is required.
- Active-Low Enable Signals: Can combine active-low enable signals effectively.
Q & A
- What is the SN74HC32N?
The SN74HC32N is a quadruple 2-input OR gate integrated circuit produced by Texas Instruments.
- What is the operating voltage range of the SN74HC32N?
The operating voltage range is from 2 V to 6 V.
- What is the operating temperature range of the SN74HC32N?
The operating temperature range is from –40°C to +85°C.
- How many OR gates are included in the SN74HC32N?
The device contains four independent 2-input OR gates.
- What is the propagation delay of the SN74HC32N?
The propagation delay ranges from 8 to 125 ns depending on the supply voltage.
- What is the maximum continuous output current of the SN74HC32N?
The maximum continuous output current is ±25 mA.
- How does the SN74HC32N handle input signals?
The device has buffered inputs to ensure stable and reliable input signals.
- Can the SN74HC32N be used in environmental control systems?
Yes, it is useful in environmental control systems for initiating responsive automation tasks.
- What is the significance of the symmetrical CMOS push-pull output configuration in the SN74HC32N?
This configuration provides balanced drive capabilities, ensuring robust performance across diverse load conditions.
- How should unused inputs be handled in the SN74HC32N?
Unused inputs must be terminated to either VCC or ground, either directly or with a pull-up or pull-down resistor.
