NXP Semiconductors 74LVC332PWJ

Overview

74LVC332PWJ from NXP Semiconductors is a triple 3-input OR gate logic IC designed for level translation between 3.3 V and 5 V systems, featuring Schmitt-trigger inputs for noise immunity, 1.2 V to 3.6 V supply operation, 5.5 V-tolerant inputs, and operation across −40 °C to +125 °C. It serves as a robust combinational logic element in mixed-voltage digital control and interface circuits.

For engineers reviewing the 74LVC332PWJ datasheet, 74LVC332PWJ pinout, 74LVC332PWJ application, or 74LVC332PWJ equivalent, key selection considerations include input voltage tolerance (up to 5.5 V), propagation delay (as low as 0.8 ns at 3.3 V), output drive capability (±24 mA), thermal performance in TSSOP14 package, and JEDEC compliance across multiple voltage ranges (JESD8-7A/5A/C).

Technical Context

The 74LVC332PWJ implements three independent 3-input OR gates with Schmitt-trigger inputs on all nine data inputs (1A–3C), enabling reliable operation with slow or noisy signals. Its CMOS architecture supports rail-to-rail output swing and operates from 1.2 V to 3.6 V while accepting input voltages up to 5.5 V-enabling direct interfacing with both LVTTL and 5 V TTL logic without external level shifters.

Each gate follows standard OR logic: output is HIGH if any of its three inputs is HIGH; LOW only when all three are LOW. The device complies with JEDEC standards JESD8-7A (1.65–1.95 V), JESD8-5A (2.3–2.7 V), and JESD8-C/JESD36 (2.7–3.6 V), and features ESD protection exceeding 2000 V HBM, 200 V MM, and 1000 V CDM.

Key Specifications

Pinout & Package

TSSOP14 package: plastic thin shrink small outline, 14 leads, body width 4.4 mm, pitch 0.65 mm, height ≤1.1 mm - optimized for space-constrained PCB layouts and automated assembly.

Key Features

Applications

Equivalent & Alternatives

The following parts are listed as comparable options for similar triple 3-input OR gate applications.

Compared with SN74LVC332PWR, the 74LVC332PWJ offers lower quiescent current and identical mixed-voltage robustness; versus 74AHC332PW, it provides broader supply range, Schmitt-trigger inputs, and 5.5 V tolerance - making it uniquely suited for heterogeneous voltage domain integration.

Availability

74LVC332PWJ is available at Aetrix Electronics and suitable for industrial control logic, power sequencing monitors, legacy interface adapters, and configurable enable logic requiring stable component supply across extended temperature and mixed-voltage environments.

Supply support for 74LVC332PWJ 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

NXP Semiconductors is a global semiconductor company headquartered in Eindhoven, Netherlands, specializing in secure connectivity solutions for automotive, industrial, and IoT applications.

The 74LVC332PWJ belongs to NXP's LVC (Low-Voltage CMOS) logic family, engineered for high-speed, low-power, mixed-voltage interoperability in space- and power-constrained embedded systems.

FAQ

What is the maximum input voltage the 74LVC332PWJ can tolerate?

The 74LVC332PWJ accepts input voltages up to 5.5 V regardless of supply voltage (VCC), enabling safe interfacing with 5 V TTL and LVTTL devices without external protection. This specification is guaranteed under limiting conditions per Table 4 of the NXP datasheet, and applies to all nine data input pins (1A–3C). Exceeding 5.5 V risks permanent damage.

Does the 74LVC332PWJ require external pull-up or pull-down resistors on unused inputs?

No, the 74LVC332PWJ does not require external pull-up or pull-down resistors on unused inputs due to its Schmitt-trigger input structure, which provides defined logic thresholds and hysteresis. However, for best noise immunity and predictable behavior, unused inputs should be tied to VCC or GND - floating inputs may cause increased ICC or erratic output states.

Can the 74LVC332PWJ operate reliably at 1.2 V supply voltage?

Yes, the 74LVC332PWJ is fully specified to operate at VCC = 1.2 V, with guaranteed VIH = 1.08 V and VIL = 0.12 V across −40 °C to +85 °C. Propagation delay increases to 11.6 ns (max) at this voltage, and output drive is reduced, but all logic functions remain valid - making it suitable for ultra-low-power battery-operated systems.

What is the thermal derating behavior of the 74LVC332PWJ in its TSSOP14 package?

In the TSSOP14 package (SOT402-1), the 74LVC332PWJ's total power dissipation (Ptot) derates linearly above +60 °C at 5.5 mW/K. At +85 °C, maximum Ptot drops to approximately 363 mW (500 mW − 25 K × 5.5 mW/K). This derating ensures safe junction temperature operation under sustained load in industrial ambient conditions.

Is the 74LVC332PWJ pin-compatible with other packages in the same family?

Yes, the 74LVC332PWJ (TSSOP14) shares identical pin configuration and function mapping with the SO14 (74LVC332D), SSOP14 (74LVC332DB), and DHVQFN14 (74LVC332BQ) variants - all follow the pinout shown in Figure 4 of the NXP datasheet. Mechanical dimensions differ, but electrical interface and PCB footprint logic are consistent across packages.