Nexperia USA Inc. 74LVT16240ADGG,118

Overview

74LVT16240ADGG,118 from Nexperia is a 3.3 V 16-bit inverting buffer/driver with 3-state outputs, designed for high-speed bus driving in mixed-voltage systems. It features four independent output enable inputs (1OE–4OE), ±64 mA/–32 mA drive capability, TTL-compatible I/O, and bus-hold inputs eliminating external pull-ups. Used in backplane interface, memory address buffering, and industrial control bus expansion.

For engineers reviewing the 74LVT16240ADGG,118 datasheet, 74LVT16240ADGG,118 pinout, 74LVT16240ADGG,118 application, or 74LVT16240ADGG,118 equivalent, this device supports 5 V-tolerant inputs, operates from –40 °C to +85 °C, delivers sub-4 ns propagation delay at 3.3 V, and integrates latch-up protection exceeding 500 mA per JESD78B Class II.

Technical Context

The 74LVT16240ADGG,118 implements a BiCMOS architecture enabling high-current drive while maintaining TTL-level input thresholds and 5 V I/O compatibility. Its four independent 3-state output groups (each controlling four Y outputs) allow selective bus segment isolation without affecting other channels.

Bus-hold circuitry on all 16 data inputs actively maintains logic state during floating conditions, reducing system-level BOM count and PCB routing complexity. Power-up 3-state behavior ensures outputs remain high-impedance until VCC stabilizes, preventing bus contention during power sequencing.

Key Specifications

Pinout & Package

TSSOP48 package (SOT362-1), 48-pin plastic thin shrink small outline, 6.1 mm body width, 0.5 mm lead pitch - optimized for high-density PCB layouts with thermal and mechanical reliability in reflow-soldered assemblies.

Key Features

Applications

Equivalent & Alternatives

The following parts are listed as comparable options for similar 16-bit inverting buffer applications.

Compared with SN74LVC16240ADGGR and 74ALVCH16240PW,118, the 74LVT16240ADGG,118 uniquely combines high-current drive, built-in bus-hold, and strict inverting functionality-making it irreplaceable in legacy 5 V bus architectures requiring zero-BOM input biasing and deterministic polarity.

Availability

74LVT16240ADGG,118 is available at Aetrix Electronics and suitable for industrial backplane interface, memory address buffering, and automated test equipment signal routing requiring stable component supply, long-term lifecycle assurance, and traceable sourcing.

Supply support for 74LVT16240ADGG,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 delivering high-performance logic, analog, and MOSFET solutions with focus on efficiency, reliability, and scalability across industrial, automotive, and consumer markets.

The 74LVT16240ADGG,118 belongs to Nexperia's LVT (Low-Voltage TTL) logic family, engineered specifically for robust 3.3 V operation in mixed-voltage systems where 5 V compatibility, high drive, and bus integrity are critical.

FAQ

Can the 74LVT16240ADGG,118 safely interface with 5 V logic without external level shifters?

Yes. All inputs tolerate up to 7.0 V, and outputs drive 5 V buses directly with ±64 mA/–32 mA capability. The device meets TTL switching thresholds (VIH = 2.0 V, VIL = 0.8 V) and exhibits no damage or functional degradation when connected to 5 V systems under recommended operating conditions.

What is the purpose of the four separate output enable (OE) inputs?

Each OE input (1OE–4OE) controls one group of four outputs, enabling independent bus segment activation. This allows partial bus gating-e.g., enabling only memory address lines while keeping data lines isolated-reducing dynamic power and avoiding contention in multi-master systems.

Does the bus-hold feature eliminate all need for external pull-up/pull-down resistors?

Yes, for unused data inputs (1A0–4A3). Bus-hold circuitry provides ±135 μA holding current at 3 V, maintaining valid logic states without external components. However, OE inputs still require proper termination (e.g., pull-up to VCC) to ensure defined enable/disable states unless actively driven.

How does the power-up 3-state behavior protect system buses during power sequencing?

During power ramp-up, outputs remain in high-impedance state until VCC exceeds ~1.2 V, preventing undefined logic levels or short-circuit currents on shared buses. This eliminates risk of bus contention when multiple devices power up at different rates-a key requirement in modular industrial hardware.