Description
The SN74ALS32D is a high-performance Quad 2-input positive OR gate belonging to the Advanced Low-power Schottky (ALS) logic family. This device is designed to provide high-speed logic operations while maintaining significantly lower power consumption compared to traditional Schottky TTL components. It performs the Boolean OR function ($Y = A + B$), where the output is HIGH if at least one of the inputs is HIGH.
The ALS series is well-regarded for its excellent speed-power product, making it an ideal choice for high-speed digital systems where energy efficiency is as critical as switching performance. Its standard SOIC-14 package and pin-compatible design allow it to be easily integrated into existing logic circuits for upgrading performance or reducing system power requirements.
[Image of OR gate logic symbol and truth table]
Note: Product images are for illustrative purposes only. Please refer to the official Texas Instruments datasheet for detailed propagation delay ($t_{PD}$) times, current drive capability ($I_{OH}/I_{OL}$), and recommended operating temperature ranges to ensure compatibility with your specific system design.
Features
- Quad Logic: Four independent 2-input positive OR gates in a single 14-pin package.
- ALS Technology: Advanced Low-power Schottky process provides high-speed operation with low power dissipation.
- High Compatibility: Fully compatible with standard TTL-level input and output thresholds.
- Reliable Switching: Optimized for low propagation delay and high output drive capability.
- Package: Compact SOIC-14 surface-mount package for modern PCB assembly.
Benefits
- Power Efficiency: Optimized for lower current consumption during operation, extending battery life in portable or energy-conscious designs.
- Performance Upgrade: An excellent drop-in replacement for standard LS (Low-power Schottky) logic to improve system timing margins.
- Stable Operation: High noise margin and robust output driving ensure signal integrity across digital buses.
Applications
- Digital Logic Networks: Fundamental building block for complex combinational logic and control sequences.
- Signal Combining: Merging multiple control signals or interrupts into a single trigger line.
- Pulse/State Sequencing: Implementing logical decision paths within embedded control systems.
- General Embedded Prototyping: Essential for building custom hardware logic for robotics, automation, and industrial control.
Package Includes
- 1 x SN74ALS32D Quad 2-Input Positive OR Gate IC (SMD-14)
Specifications
| Parameter | Specification |
|---|---|
| Product Name | SN74ALS32D |
| Logic Function | Quad 2-Input OR Gate |
| Package / Case | SOIC-14 (SMD) |
| Shipping Weight | 0.001 kg |
| Shipping Dimensions | 4 × 4 × 1 cm |












