Nexperia USA Inc. 74LVCH162244ADGVJ

Overview

74LVCH162244ADGVJ from Nexperia is a 16-bit CMOS buffer/line driver with integrated 30 Ω series termination resistors, 3-state outputs, bus hold on all data inputs, and 5 V tolerant I/O operating from 1.2 V to 3.6 V supply. It supports mixed-voltage translation between 3.3 V and 5 V systems, features four independent output enables (1OE–4OE), and is rated for -40 °C to +125 °C operation in TVSOP48 package.

For engineers reviewing the 74LVCH162244ADGVJ datasheet, 74LVCH162244ADGVJ pinout, 74LVCH162244ADGVJ application, or 74LVCH162244ADGVJ equivalent, this device is selected for high-speed parallel bus buffering in industrial control backplanes, FPGA I/O expansion interfaces, memory address/data latching, and level-translating peripheral interconnects where low-noise, partial power-down (IOFF), and input hysteresis are required.

Technical Context

This device implements four independent 4-bit non-inverting buffers, each controlled by a dedicated active-low output enable (1OE–4OE). Each buffer section drives four outputs with Schmitt-trigger inputs for noise immunity and built-in 30 Ω series resistors to suppress transmission-line reflections on PCB traces up to ~100 MHz.

The IOFF circuit disables outputs during partial power-down to prevent backflow current, while bus hold functionality maintains valid logic states on unused data inputs without external pull-ups-critical for hot-swap and unpopulated interface designs.

Key Specifications

Pinout & Package

74LVCH162244ADGVJ is housed in a 48-pin TVSOP package (SOT480-1) with 0.4 mm lead pitch and 4.4 mm body width, optimized for high-density PCB layouts and low-inductance grounding via eight GND pins and four VCC pins.

Key Features

Applications

Equivalent & Alternatives

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

Compared with 74LVC162244ADGV and SN74LVC162244ADGGR, the 74LVCH162244ADGVJ provides unique bus hold functionality that eliminates external components for floating-input reliability-making it optimal for modular, field-upgradeable systems where connector pinouts vary across configurations.

Availability

74LVCH162244ADGVJ is available at Aetrix Electronics and suitable for industrial backplane buffering, FPGA I/O expansion, memory address latching, and legacy peripheral interconnect requiring stable component supply across extended temperature ranges.

Supply support for 74LVCH162244ADGVJ 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 miniaturization for industrial, computing, and consumer markets.

This device belongs to the 74LVCH advanced logic family, engineered for high-speed, low-power, mixed-voltage interfacing in space-constrained embedded systems requiring robust signal integrity and power-aware design.

FAQ

What is the purpose of the 30 Ω series termination resistors?

The 30 Ω resistors are integrated into each output path to match typical PCB trace impedances (40–70 Ω) and dampen signal reflections caused by impedance discontinuities. This reduces overshoot, undershoot, and ringing on high-speed parallel buses-enabling reliable operation up to 100 MHz without adding discrete resistors or degrading timing margins.

How does bus hold functionality affect system design?

Bus hold actively maintains the last-valid logic state on any data input (1A0–4A3) when left floating, drawing only 75 μA at VI = 0.8 V. This eliminates the need for external pull-up/pull-down resistors on unused or undriven pins-reducing BOM cost, PCB real estate, and risk of signal corruption during hot-swap or configuration changes.

Can 74LVCH162244ADGVJ operate with VCC = 1.2 V while driving 5 V-tolerant loads?

Yes. The device guarantees full functionality-including propagation delay, output drive strength, and 3-state control-at VCC = 1.2 V, while all I/O pins remain tolerant to 5.5 V. This allows direct connection to 5 V peripherals (e.g., legacy UARTs or displays) without level shifters, provided load capacitance and slew rate remain within datasheet limits.

What is the impact of IOFF on system power architecture?

IOFF disables output drivers when VCC = 0 V, limiting leakage current to ±10 μA even if 5.5 V is applied to inputs or outputs. This enables safe partial power-down of subsystems-such as powering down an FPGA while retaining communication with always-on peripherals-without risking latch-up or back-current damage to upstream voltage regulators.