SN74AHC132PW-P Texas Instruments Integrated Circuit (Small Outline Packages) In Stock
The SN74AHC132PW-P is a quad 2-input NAND gate with Schmitt-trigger inputs in the AHC (Advanced High-Speed CMOS) logic family, operating from 2 V to 5.5 V supply. It features hysteresis on all inputs for improved noise immunity and supports output drive up to ±8 mA, housed in a 14-pin TSSOP package. Designed for signal conditioning, oscillator circuits, and general-purpose logic in industrial and consumer electronics.
- Manufacturer
- Texas Instruments
- Package
- Small Outline Packages
- Pin Count
- 14
- Lifecycle
- ACTIVE
- Datasheet
- SN74AHC132PW-P Datasheet PDF
- Category
- Integrated Circuit
- RoHS
- Compliant
- Lead Time
- 3–7 business days
- Shipping
- DHL Express · Worldwide
Key Features
- Quad 2-input NAND gates with Schmitt-trigger hysteresis for superior noise immunity
- Wide supply voltage range 2 V to 5.5 V covering 2.5 V, 3.3 V, and 5 V logic systems
- Output drive capability of ±8 mA for direct load driving without buffers
- AHC high-speed CMOS technology with low propagation delay and low power
- 14-pin TSSOP (PW) package for compact surface-mount assembly
- Suitable for signal-level conversion between different logic voltage domains
Applications
The SN74AHC132PW-P is widely used in signal conditioning circuits where noisy or slowly transitioning input signals must be converted to clean digital edges without false triggering, making it ideal for switch debounce, sensor interface, and clock shaping applications. It also serves as an oscillator building block using its Schmitt-trigger inputs with an external RC network, and as a general-purpose NAND gate in industrial automation, communication equipment, and consumer electronics designs operating across mixed 2.5 V to 5 V logic environments.
Compliance & Regulatory
| RoHS Status | Compliant |
| Lead-Free | Yes (Pb-Free) |
Alternate & Equivalent Parts
Compatible alternatives and drop-in replacements for SN74AHC132PW-P:
Frequently Asked Questions
Why do Schmitt-trigger inputs on SN74AHC132PW-P make it better suited for noisy signal environments than standard NAND gates?
The SN74AHC132PW-P provides hysteresis on its inputs—separate high and low threshold voltages—so a slowly rising or noisy signal does not cause multiple output transitions. At a 3.3 V supply, the typical hysteresis window is about 0.8 V, meaning the input must rise above the upper threshold to switch output low and fall below the lower threshold to switch output high, preventing chatter on slowly changing or RF-disturbed signals.
Over what supply voltage range does SN74AHC132PW-P operate, and is it compatible with both 3.3 V and 5 V logic?
The SN74AHC132PW-P operates from 2 V to 5.5 V supply, making it compatible with 2.5 V, 3.3 V, and 5 V logic families. Its input thresholds and output levels track the supply, so it can interface directly with standard CMOS and TTL logic at each voltage level, simplifying level-shifting challenges in mixed-supply board designs without additional translation components.
How can SN74AHC132PW-P be used to build a simple RC oscillator circuit?
One gate of the SN74AHC132PW-P can form a relaxation oscillator by connecting a resistor from output to input and a capacitor from input to ground. The Schmitt-trigger hysteresis determines the charging thresholds, and oscillation frequency is set by the RC time constant—a 10 kΩ resistor with a 10 nF capacitor produces roughly a few kilohertz. This technique is commonly used for low-cost clock generation when a crystal or dedicated oscillator IC is not required.
What is the output drive current of SN74AHC132PW-P, and how many standard CMOS gate inputs can it drive?
The SN74AHC132PW-P provides ±8 mA output drive current per gate at 3.3 V supply. Since standard CMOS inputs draw only microamperes, a single output can drive 50 or more CMOS logic inputs, or can directly drive LEDs, small signal relays, and bus lines with moderate capacitive loading without requiring an external buffer or driver IC.
For a switch-debounce circuit on a 5 V MCU board, does SN74AHC132PW-P provide adequate debounce with a simple RC filter?
Yes. Combining a 10 kΩ pull-up resistor and a 100 nF capacitor on the SN74AHC132PW-P input creates an RC filter with roughly a 1 ms time constant. The Schmitt-trigger hysteresis—approximately 0.8 V to 1.5 V at 5 V supply—then cleanly converts the filtered waveform to a single transition, effectively debouncing switch bounce periods of several hundred microseconds without firmware overhead.
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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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