Nexperia USA Inc. 74HC32PW,118

Overview

74HC32PW,118 from Nexperia is a quad 2-input OR gate in TSSOP14 package, operating from 2.0 V to 6.0 V supply, delivering CMOS-level input compatibility, symmetrical output impedance, balanced propagation delays (6–27 ns), and specified operation from −40 °C to +125 °C - used for digital logic combining, enable gating, and bus arbitration in industrial control and embedded interface circuits.

For engineers reviewing the 74HC32PW,118 datasheet, 74HC32PW,118 pinout, 74HC32PW,118 application, or 74HC32PW,118 equivalent, this page delivers verified pin functions, real-world timing behavior under 50 pF load, TTL/CMOS input level distinction, thermal derating curves for TSSOP14, and direct substitution guidance against 74HCT32PW and 74AHC32PW.

Technical Context

The 74HC32PW implements four independent 2-input OR gates using standard CMOS silicon technology, with input clamp diodes enabling safe interfacing to voltages exceeding VCC when current-limiting resistors are used. Each gate exhibits identical electrical characteristics and shares common VCC (pin 14) and GND (pin 7) rails.

Its logic function follows strict Boolean OR behavior: output goes HIGH if at least one input is HIGH; LOW only when both inputs are LOW. Propagation delay is symmetric (tPHL ≈ tPLH), and transition times (tTHL/tTLH) remain tightly matched across temperature and supply voltage ranges.

Key Specifications

Pinout & Package

TSSOP14 plastic thin shrink small outline package (SOT402-1), 14 leads, body width 4.4 mm, 0.65 mm pitch, exposed pad not electrically connected.

Key Features

Applications

Equivalent & Alternatives

The following parts are listed as comparable options for similar quad 2-input OR gate applications.

Compared with 74HC32PW,118, the 74HCT32PW offers superior TTL input compatibility at the cost of static power and noise margin, while 74AHC32PW delivers 2× speed and 25% lower dynamic power but requires careful fanout management due to reduced output drive.

Availability

74HC32PW,118 is available at Aetrix Electronics and suitable for industrial control systems, embedded interface design, test equipment signal routing, and automotive body electronics requiring stable component supply across extended temperature ranges.

Supply support for 74HC32PW,118 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 global semiconductor expert focused on essential efficiency technologies, delivering high-performance logic, analog, and MOSFET solutions for industrial, automotive, and consumer markets.

The 74HC32PW belongs to Nexperia's 74HC high-speed CMOS logic family, engineered for low-power, wide-supply digital interfacing in space-constrained and thermally demanding applications.

FAQ

Can 74HC32PW,118 operate reliably at 2.0 V supply?

Yes. The device is fully specified down to 2.0 V: propagation delay remains ≤90 ns (max), VOH ≥1.5 V, and VOL ≤0.1 V at 4 mA load. Input thresholds scale with VCC, maintaining >0.5 V noise margin. This enables use in battery-powered 2.4 V–3.6 V systems without level shifting.

What is the maximum recommended output load capacitance?

The datasheet specifies dynamic characteristics at CL = 15 pF and 50 pF. While no absolute maximum is given, sustained loading beyond 75 pF increases propagation delay nonlinearly and may cause ringing. For reliable 20 MHz operation, keep total node capacitance ≤50 pF including trace and probe effects.

Is the exposed thermal pad on the TSSOP14 package electrically connected?

No. The exposed pad in SOT402-1 (TSSOP14) is non-functional and unconnected internally. It may be left floating or soldered to a thermal land for improved heat dissipation, but must not be tied to VCC or GND unless explicitly confirmed in a newer revision - per datasheet footnote, no electrical or mechanical requirement exists for soldering it.

How does input clamping affect interfacing with 12 V sensors?

Clamp diodes allow safe connection of 12 V signals via series current-limiting resistors. With VCC = 5 V, a 10 kΩ resistor limits clamp current to <0.7 mA - well below the ±20 mA absolute maximum. This avoids external protection components while preserving logic integrity and preventing damage.