Nexperia USA Inc. 74AHC2G32DC,125

Overview

74AHC2G32DC,125 from Nexperia is a dual 2-input OR gate logic IC in VSSOP8 package, operating from 2.0 V to 5.5 V supply, with overvoltage-tolerant inputs up to 5.5 V, CMOS-level input thresholds, and guaranteed operation from –40 °C to +125 °C - used for level translation and combinatorial logic in mixed-voltage digital subsystems.

For engineers reviewing the 74AHC2G32DC,125 datasheet, 74AHC2G32DC,125 pinout, 74AHC2G32DC,125 application, or 74AHC2G32DC,125 equivalent, this device serves as a low-power, high-noise-immunity OR gate with symmetrical output drive, balanced propagation delays, and latch-up immunity exceeding 100 mA - critical for industrial control I/O conditioning and voltage-domain bridging.

Technical Context

This device implements two independent OR gates in a single monolithic CMOS structure. Each gate accepts two inputs (nA, nB) and produces one output (nY), with truth table L/L→L, L/H→H, H/L→H, H/H→H. Input clamping diodes enable overvoltage tolerance without external protection.

It operates across two logic families: 74AHC2G32 uses CMOS-compatible input thresholds (VIH ≥ 0.7×VCC, VIL ≤ 0.3×VCC), while its AHCT variant uses TTL-compatible thresholds (VIH ≥ 2.0 V, VIL ≤ 0.8 V). Both share identical pinout, package, and dynamic timing behavior under matched VCC conditions.

Key Specifications

Pinout & Package

VSSOP8 plastic very thin shrink small outline package (SOT765-1); 8 leads; body width 2.3 mm; pin 1 indicator located on lower-left corner below marking code A32.

Key Features

Applications

Equivalent & Alternatives

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

Compared with 74LVC2G32GW,125, the 74AHC2G32DC,125 trades 1.9 ns lower propagation delay for guaranteed +125 °C operation and superior latch-up immunity; versus SN74LVC2G32DCKR, it offers identical functionality with tighter static current control at high VCC and broader manufacturer support across global distribution channels.

Availability

74AHC2G32DC,125 is available at Aetrix Electronics and suitable for industrial sensor interfaces, microcontroller GPIO expansion, legacy bus signal conditioning, and power sequencing control requiring stable component supply across extended temperature ranges.

Supply support for 74AHC2G32DC,125 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 Dutch semiconductor company specializing in high-volume logic, analog, and discrete components, with manufacturing rooted in former Philips Semiconductor operations.

The 74AHC series targets high-reliability, low-power digital logic applications in industrial, automotive, and computing systems - designed specifically for robust performance across wide voltage and temperature ranges without sacrificing speed or noise immunity.

FAQ

Can 74AHC2G32DC,125 operate with a 2.5 V supply?

Yes. The device is fully specified from 2.0 V to 5.5 V, including VIH/VIL thresholds, propagation delay, and output drive at 2.5 V. At this voltage, VIH is guaranteed ≥1.75 V and VOL ≤0.36 V with 4 mA load, meeting standard 2.5 V logic interface requirements.

Is the 74AHC2G32DC,125 pin-compatible with the 74AHCT2G32DC,125?

Yes - both share identical VSSOP8 (SOT765-1) pinout and mechanical footprint. The only functional difference is input threshold compatibility: 74AHC2G32 accepts CMOS-level inputs (VIH ≥ 0.7×VCC), while 74AHCT2G32 accepts TTL-level inputs (VIH ≥ 2.0 V), making them electrically interchangeable only when input sources match the respective threshold profile.

What is the maximum capacitive load this device can drive reliably?

The datasheet specifies timing up to 50 pF load capacitance. With CL = 50 pF and VCC = 3.3 V, tpd remains ≤10.0 ns across –40 °C to +125 °C. Driving >50 pF risks violating setup/hold margins in synchronous designs; for heavier loads, add a series resistor or buffer stage to limit slew rate and prevent ringing.

Does this part require external pull-up or pull-down resistors on unused inputs?

No. Unused inputs must be terminated to VCC or GND to prevent floating nodes, but no external resistors are required - internal input leakage is ≤0.1 μA, so direct connection suffices. Leaving inputs unconnected risks increased ICC, noise susceptibility, and potential oscillation due to undefined logic state.