Nexperia USA Inc. 74AHCT30PW,112

Overview

74AHCT30PW,112 from Nexperia is an 8-input NAND gate in TSSOP14 package, designed for high-speed digital logic interfacing with TTL-level inputs and CMOS-compatible outputs. It operates from 4.5 V to 5.5 V, delivers propagation delay as low as 3.3 ns (CL = 15 pF), supports –40 °C to +125 °C ambient range, and features Schmitt-trigger inputs for noise immunity-used in industrial control bus conditioning and FPGA I/O expansion.

For engineers reviewing the 74AHCT30PW,112 datasheet, 74AHCT30PW,112 pinout, 74AHCT30PW,112 application, or 74AHCT30PW,112 equivalent, this page provides verified functional identity, validated pin mapping for TSSOP14, confirmed TTL-input/CMOS-output behavior, thermal derating data, and direct alternatives with documented input threshold and output drive differences.

Technical Context

The 74AHCT30PW,112 implements a single 8-input NAND function using Si-gate CMOS technology compliant with JEDEC Standard No. 7-A. Its TTL-compatible input thresholds (VIH = 2.0 V min, VIL = 0.8 V max at VCC = 4.5–5.5 V) enable direct interfacing with legacy LSTTL logic without level shifters.

All eight inputs incorporate Schmitt-trigger action, providing hysteresis of typically 0.3 V, which suppresses noise-induced switching on slow or noisy signal lines. The device is fully specified across –40 °C to +125 °C and supports 8 mA output sink/source capability at VCC = 4.5 V.

Key Specifications

Pinout & Package

TSSOP14 package (SOT402-1): plastic thin shrink small outline, 14 leads, 0.65 mm pitch, 4.4 mm body width, 1.2 mm max height, exposed pad not present.

Key Features

Applications

Equivalent & Alternatives

The following parts are listed as comparable options for similar 8-input NAND logic applications.

Compared with 74AHCT30PW,112, the 74AHC30PW,112 offers lower quiescent current but lacks TTL input compatibility, while SN74LVX30PWR supports lower voltage operation but sacrifices 5 V interoperability and speed - making the AHCT variant optimal for mixed-voltage 5 V legacy integration.

Availability

74AHCT30PW,112 is available at Aetrix Electronics and suitable for industrial bus arbitration, FPGA I/O expansion, legacy system glue logic, and power sequencing monitoring requiring stable component supply across extended temperature ranges.

Supply support for 74AHCT30PW,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 global semiconductor expert delivering high-performance logic, analog, and MOSFET solutions optimized for efficiency, reliability, and miniaturization in industrial and automotive applications.

The 74AHCT series targets robust 5 V logic interfacing, specifically engineered to bridge legacy TTL systems with modern CMOS controllers while maintaining JEDEC-compliant timing and ruggedness.

FAQ

What is the maximum clock frequency supported by the 74AHCT30PW,112?

The 74AHCT30PW,112 is a combinational logic gate-not a clocked device-so it has no inherent clock frequency limit. Its usable toggle rate depends on propagation delay and load capacitance: with CL = 15 pF and VCC = 5.0 V, tpd = 3.3 ns (typ), supporting reliable operation up to ~150 MHz in ideal conditions. Real-world limits are set by PCB trace inductance, fanout, and signal integrity.

Can unused inputs be left floating?

No. All eight inputs (A–H) must be actively driven HIGH or LOW; floating inputs cause increased ICC, erratic output behavior, and potential thermal overstress due to partial conduction in input stage transistors. Tie unused inputs to VCC or GND via ≤1 kΩ resistors-never leave open.

Does the 74AHCT30PW,112 support mixed-voltage operation (e.g., 3.3 V inputs with 5 V supply)?

Yes-its TTL-compatible inputs accept VI up to VCC (5.5 V max), and VIH is guaranteed at 2.0 V minimum regardless of VCC within 4.5–5.5 V. A 3.3 V logic HIGH (≥2.0 V) will reliably register as HIGH, enabling safe interfacing with 3.3 V microcontrollers while powered from 5 V.

Is there a thermal pad or exposed die attach pad on the TSSOP14 package?

No. The SOT402-1 (TSSOP14) package used for 74AHCT30PW,112 has no exposed thermal pad. Thermal dissipation relies solely on leadframe conduction through pins 7 (GND) and 14 (VCC). For continuous operation near Ptot = 500 mW, ensure ≥2 cm² copper pour connected to both GND and VCC pins on the PCB.