SN74LS132NS Texas Instruments Integrated Circuit (Small Outline Packages) In Stock
The SN74LS132NS is a quad 2-input NAND gate with Schmitt trigger inputs from Texas Instruments' 74LS logic family. It features four independent NAND gates that provide hysteresis for improved noise immunity on slow or noisy input signals. Available in 14-pin SOIC package, in stock with worldwide shipping.
- Manufacturer
- Texas Instruments
- Package
- Small Outline Packages
- Pin Count
- 14
- Lifecycle
- ACTIVE
- Datasheet
- SN74LS132NS Datasheet PDF
- Category
- Integrated Circuit
- RoHS
- Compliant
- Lead Time
- 3–7 business days
- Shipping
- DHL Express · Worldwide
Key Features
- Schmitt trigger inputs provide hysteresis on all four NAND gate inputs, enabling reliable switching from slow, noisy, or bouncing input signals
- Quad 2-input configuration integrates four independent NAND gates in a single 14-pin package, reducing component count and board area
- 74LS-family TTL compatibility ensures direct interface with standard 5V TTL and LSTTL logic without additional level translation
- NAND gate topology implements universal Boolean logic — AND, OR, NOT, and NOR functions — using a single part type for design simplification
Applications
The SN74LS132NS is used in digital logic circuits requiring noise-immune switching from mechanical switches, push-buttons, or slowly changing analog-to-digital threshold signals where Schmitt trigger hysteresis eliminates switch bounce and signal ringing. Its quad NAND configuration is commonly applied in oscillator circuits, pulse shapers, and combinational logic implementations in 5V TTL-based embedded and industrial control systems. The Schmitt trigger inputs also make it effective as a signal conditioner for converting irregular waveforms to clean digital transitions.
Compliance & Regulatory
| RoHS Status | Compliant |
| Lead-Free | Yes (Pb-Free) |
Alternate & Equivalent Parts
Compatible alternatives and drop-in replacements for SN74LS132NS:
Frequently Asked Questions
What makes the SN74LS132NS different from a standard NAND gate?
The SN74LS132NS features Schmitt trigger inputs on all four NAND gates, providing built-in hysteresis on each input. This means the switching threshold for a rising input signal is higher than for a falling signal, suppressing output glitches caused by slowly changing or noisy input signals — unlike a standard NAND gate that switches at a single threshold.
How many NAND gates are in the SN74LS132NS?
The SN74LS132NS contains four independent 2-input NAND gates in a single package. Each gate operates independently with its own two inputs and one output, and all four share the same VCC and GND pins, making it a complete quad NAND logic function in a 14-pin SOIC package.
What supply voltage does the SN74LS132NS require?
The SN74LS132NS is a 74LS-family TTL device that operates from a 5V supply (typically 4.75V to 5.25V). It is directly compatible with other TTL and LSTTL logic devices in 5V digital systems without requiring voltage conversion or special interface circuits.
What package does the SN74LS132NS use?
The SN74LS132NS is housed in a 14-pin SOIC (Small Outline Integrated Circuit) surface-mount package. This package is compatible with standard automated PCB assembly and is a smaller alternative to the through-hole 14-pin DIP package used in older SN74LS132 variants.
What are typical applications for the SN74LS132NS?
The SN74LS132NS is commonly used for switch debouncing, oscillator circuits, waveform shaping, and combinational logic in 5V TTL systems. Its Schmitt trigger inputs are especially useful when interfacing with mechanical contacts, open-collector sensors, or slow RC networks that would cause multiple output transitions on a standard NAND gate.
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About Texas Instruments
Texas Instruments (TI) is a global semiconductor company headquartered in Dallas, Texas. TI designs and manufactures analog and embedded processing chips used in industrial, automotive, consumer, communications, and enterprise systems.
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