NXP Semiconductors 74LV132PW,112

Overview

74LV132PW,112 from Nexperia is a quad 2-input NAND gate with Schmitt-trigger inputs, designed for noise-immune signal conditioning in digital logic interfaces. It operates across 1.0 V to 5.5 V supply, features input clamp diodes enabling overvoltage-tolerant interfacing, and delivers propagation delays as low as 9.0 ns at 5.0 V with 15 pF load-used in pulse shaping and multivibrator circuits in industrial control and sensor interface systems.

For engineers reviewing the 74LV132PW,112 datasheet, 74LV132PW,112 pinout, 74LV132PW,112 application, or 74LV132PW,112 equivalent, key selection criteria include Schmitt-trigger hysteresis (min 0.2 V at 2.0 V VCC), wide temperature range (–40 °C to +125 °C), TSSOP14 package compatibility, and TTL-level input acceptance at 2.7–3.6 V supply.

Technical Context

The 74LV132PW,112 implements four independent NAND gates, each with asymmetric Schmitt-trigger input thresholds (VT+ = 1.2–3.0 V, VT− = 0.6–2.0 V at VCC = 3.0–5.5 V) and 0.4–1.5 V hysteresis. Its CMOS architecture ensures low static current (≤40 μA at 5.5 V) and latch-up immunity (>100 mA per JESD78 Class II Level B).

Dynamic behavior is characterized by supply-voltage-dependent propagation delay (10 ns typical at 3.3 V/15 pF), output drive capability (±12 mA), and ground bounce <0.8 V at 3.3 V. Input clamping diodes allow safe interfacing to signals exceeding VCC when used with current-limiting resistors.

Key Specifications

Pinout & Package

TSSOP14 plastic thin shrink small outline package (SOT402-1); 14-lead, 4.4 mm body width, 0.65 mm pitch; thermal performance derates linearly at 7.3 mW/K above 81 °C.

Key Features

Applications

Equivalent & Alternatives

The following parts are listed as comparable options for similar quad NAND Schmitt-trigger applications.

Compared with SN74LV132APWR and 74LVC132PW,118, the 74LV132PW,112 uniquely combines full 1.0–5.5 V operation, built-in input clamping, and –40 °C to +125 °C qualification - making it the only option for ruggedized, mixed-voltage, overvoltage-tolerant Schmitt NAND applications.

Availability

74LV132PW,112 is available at Aetrix Electronics and suitable for industrial control systems, sensor interface modules, and embedded timing circuits requiring stable component supply across extended temperature and voltage ranges.

Supply support for 74LV132PW,112 includes scheduled delivery planning, volume procurement assistance, BOM continuity management, traceable sourcing, and lifecycle availability coordination for OEM customers, industrial embedded developers, connected-device designers, and electronics production programs.

Manufacturer

Nexperia is a leading semiconductor manufacturer specializing in high-performance, energy-efficient logic, discrete, and power devices, with global manufacturing and R&D centers focused on automotive and industrial reliability.

The 74LV logic family targets low-voltage, low-power digital interfacing and signal conditioning - engineered for robust operation in harsh environments while maintaining compatibility with legacy TTL and modern CMOS systems.

FAQ

Can the 74LV132PW,112 operate reliably at 1.2 V supply?

Yes. The device is fully specified down to 1.0 V supply, with guaranteed functionality at 1.2 V including Schmitt-trigger thresholds (VT+ ≈ 0.70 V, VT− ≈ 0.34 V) and static current ≤1.0 μA. Propagation delay increases to ~65 ns at 1.2 V, making it suitable for ultra-low-power monitoring circuits where speed is secondary to energy efficiency.

What is the purpose of the input clamp diodes, and how should they be used?

The integrated clamp diodes connect each input to VCC and GND, allowing safe biasing of inputs above VCC or below GND when used with series current-limiting resistors. For example, a 10 kΩ resistor limits input current to <2 mA when interfacing a 12 V sensor output to a 3.3 V-powered 74LV132PW,112 - eliminating need for external protection diodes.

Does the 74LV132PW,112 require external pull-up or pull-down resistors on unused inputs?

No. Unused inputs must be tied to VCC or GND to prevent floating states that cause excessive ICC and potential oscillation. Due to Schmitt-trigger inputs, tying to either rail ensures stable logic state and avoids increased power consumption or EMI emission - no pull-up/pull-down resistors are needed beyond direct connection.

How does the hysteresis voltage change with supply voltage?

Hysteresis (VH = VT+ − VT−) scales with VCC: 0.3 V at 1.2 V, 0.55 V at 2.0 V, 0.6–1.2 V at 3.0–3.6 V, and 0.6–1.5 V at 4.5–5.5 V. This ensures consistent noise immunity percentage-wise (≈25–30 % of VCC) across the full operating range, critical for stable operation in variable-supply or battery-draining systems.