Overview
The SN74LS132NSR is a quad 2-input positive-NAND Schmitt trigger produced by Texas Instruments. This integrated circuit belongs to the LS series of logic devices and is designed for applications requiring reliable signal conditioning and noise immunity. It is widely used in digital systems for its ability to convert slowly changing input signals into sharply defined, jitter-free output signals. The SN74LS132NSR is particularly suited for environments with high noise levels, making it a preferred choice for industrial automation, consumer electronics, and automotive systems.
Key Specifications
| Parameter | Value | Unit | Notes |
|---|---|---|---|
| Supply Voltage (VCC) | 4.75 to 5.25 | V | Standard operating range |
| Input High Voltage (VIH) | 2 | V | Minimum |
| Input Low Voltage (VIL) | 0.8 | V | Maximum |
| Output High Voltage (VOH) | 2.7 | V | Minimum at IOH = -0.4 mA |
| Output Low Voltage (VOL) | 0.5 | V | Maximum at IOL = 8 mA |
| Propagation Delay (tpd) | 15 | ns | Typical at VCC = 5 V |
| Operating Temperature | 0 to 70 | °C | Commercial range |
| Package | SOIC-14 | - | Surface mount |
Key Features
- Schmitt Trigger Inputs: Provides hysteresis for improved noise immunity and signal conditioning.
- Quad 2-Input NAND Gates: Four independent gates in a single package for compact designs.
- Wide Operating Voltage Range: Supports standard TTL logic levels.
- Low Power Consumption: Ideal for battery-powered and energy-efficient applications.
- High-Speed Operation: Suitable for time-critical digital systems.
Applications
The SN74LS132NSR is widely used in various industries due to its robust performance and noise immunity. In industrial automation, it is employed for signal conditioning and noise filtering in control systems. In consumer electronics, it ensures reliable operation in devices such as remote controls and gaming consoles. Additionally, it is used in automotive electronics for signal processing in vehicle control units and infotainment systems. Its versatility and reliability make it a key component in digital logic circuits across multiple domains.
Q & A
1. What is the purpose of the Schmitt trigger in the SN74LS132NSR?
The Schmitt trigger provides hysteresis, which improves noise immunity and ensures clean output signals even with noisy or slowly changing inputs.
2. What is the operating voltage range of the SN74LS132NSR?
The operating voltage range is 4.75 V to 5.25 V.
3. Can the SN74LS132NSR be used in automotive applications?
Yes, it is suitable for automotive electronics due to its noise immunity and reliable performance.
4. What is the propagation delay of the SN74LS132NSR?
The typical propagation delay is 15 ns at a supply voltage of 5 V.
5. How many NAND gates are included in the SN74LS132NSR?
It includes four independent 2-input NAND gates.
6. What package type is the SN74LS132NSR available in?
It is available in an SOIC-14 surface-mount package.
7. Is the SN74LS132NSR suitable for low-power applications?
Yes, it features low power consumption, making it ideal for battery-powered devices.
8. What is the maximum input low voltage (VIL) for the SN74LS132NSR?
The maximum input low voltage is 0.8 V.
9. What is the minimum input high voltage (VIH) for the SN74LS132NSR?
The minimum input high voltage is 2 V.
10. Can the SN74LS132NSR operate in high-temperature environments?
It is designed for commercial temperature ranges (0 to 70 °C) and may not be suitable for extreme high-temperature environments without additional measures.
