NXP Semiconductors 74LVT162373DGG,112

Overview

74LVT162373DGG,112 from Nexperia is a 3.3 V, 16-bit transparent D-type latch with integrated 30 Ω series output termination resistors and non-inverting 3-state bus-compatible outputs. It functions as two independent 8-bit latches or one unified 16-bit latch, supports 5 V-tolerant inputs/outputs, and features bus-hold on data inputs to eliminate external pull-ups. It is used in memory address drivers, clock distribution networks, and high-speed bus receivers/transmitters where signal integrity and noise reduction are critical.

For engineers reviewing the 74LVT162373DGG,112 datasheet, 74LVT162373DGG,112 pinout, 74LVT162373DGG,112 application, or 74LVT162373DGG,112 equivalent, key selection criteria include its 30 Ω on-die termination, ±12 mA drive strength, TTL-level compatibility, -40 °C to +85 °C industrial temperature range, and TSSOP48 package with verified 48-pin mapping.

Technical Context

This BiCMOS device implements dual 8-bit transparent latching logic with active-HIGH latch enable (LE) and active-LOW output enable (OE) controls per bank. Each output includes matched 30 Ω series resistance in both HIGH and LOW states-eliminating need for external termination and reducing ringing in high-speed parallel buses.

The latch operates at 3.3 V supply (2.7–3.6 V range), accepts 0–5.5 V input levels, and delivers sub-5 ns propagation delays (tPLH/tPHL ≤ 4.6 ns at VCC = 3.6 V). Bus-hold circuitry maintains valid logic states on unused data inputs without external components, enabling robust live insertion/extraction in backplane or modular systems.

Key Specifications

Pinout & Package

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

Key Features

Applications

Equivalent & Alternatives

The following parts are listed as comparable options for similar 16-bit transparent latch applications.

Compared with SN74LVC16373DGGR and 74ALVCH162373T, the 74LVT162373DGG,112 uniquely combines on-die 30 Ω termination, bus-hold, and 5 V tolerance in a standard TSSOP48 footprint-reducing design risk and validation effort for industrial bus interfaces.

Availability

74LVT162373DGG,112 is available at Aetrix Electronics and suitable for memory subsystems, clock distribution networks, backplane interfaces, and industrial I/O expansion modules requiring stable component supply and long-term manufacturability.

Supply support for 74LVT162373DGG,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, reliable, and energy-efficient logic, analog, and MOSFET solutions for automotive, industrial, and consumer markets.

The 74LVT family targets high-speed, noise-sensitive digital interfaces in industrial and telecom equipment, emphasizing robustness, termination integration, and mixed-voltage interoperability.

FAQ

Does the 74LVT162373DGG,112 require external pull-up resistors on its data inputs?

No. All data inputs (1D0–1D7 and 2D0–2D7) feature integrated bus-hold circuitry that actively maintains the last valid logic state, eliminating the need for external pull-up or pull-down resistors-even when inputs float during power-up, hot-swap, or standby modes.

Can the 74LVT162373DGG,112 be used with a 5 V microcontroller driving its inputs?

Yes. Its inputs are rated for 0–5.5 V regardless of VCC (3.3 V), enabling direct connection to 5 V CMOS/TTL outputs without level-shifting circuitry-verified by VIH ≥ 2.0 V and VIL ≤ 0.8 V thresholds under 3.3 V supply conditions.

What is the purpose of the 30 Ω series resistance on each output?

The 30 Ω resistor is integrated into each output path (both HIGH and LOW states) to match typical PCB trace impedance and suppress signal reflections, reducing overshoot, undershoot, and EMI-particularly critical in memory address and clock distribution applications above 50 MHz.

How does the latch enable (LE) functionality differ from standard D flip-flops?

It operates in transparent mode: when LE is HIGH, Q outputs follow D inputs in real time; when LE transitions LOW, Q captures and holds the D value present one setup time prior. This enables asynchronous data capture without clock edges-ideal for address strobing and handshaking protocols.