Nexperia USA Inc. 74LVCH162244ADL:11

Overview

74LVCH162244ADL:11 from Nexperia is a 16-bit CMOS buffer/line driver with integrated 30 Ω series termination resistors, 3-state outputs, 5 V tolerant I/O, and bus hold on all data inputs. It operates from 1.2 V to 3.6 V supply, supports mixed-voltage translation between 3.3 V and 5 V systems, and features four independent output enables (1OE–4OE) for flexible byte-level control. Used in high-speed parallel bus interfaces requiring signal integrity and level shifting.

For engineers reviewing the 74LVCH162244ADL:11 datasheet, 74LVCH162244ADL:11 pinout, 74LVCH162244ADL:11 application, or 74LVCH162244ADL:11 equivalent, this device delivers verified 30 Ω on-die termination, IOFF partial power-down protection, Schmitt-trigger inputs for noise immunity, bus hold for floating-input robustness, and guaranteed operation from –40 °C to +125 °C in TSSOP48 packaging.

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 integrated 30 Ω series resistors to suppress transmission-line reflections on PCB traces up to ~100 MHz.

All 16 data inputs feature bus hold circuitry-eliminating external pull-ups-and Schmitt-trigger action ensures reliable switching with slow-rising signals. The IOFF circuit disables outputs during power-down, blocking backflow current when VCC = 0 V while inputs remain at 5.5 V.

Key Specifications

Pinout & Package

TSSOP48 (SOT362-1) package: plastic thin shrink small outline, 48 leads, 6.1 mm body width, 0.5 mm lead pitch. Pin 1 index marked; thermal pad not present.

Key Features

Applications

Equivalent & Alternatives

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

Compared with SN74LVC162244ADGGR, the 74LVCH162244ADL:11 adds bus hold and on-die termination-reducing component count and improving noise immunity-while 74LVCH162244ADGV offers identical functionality in a smaller footprint at the cost of assembly yield sensitivity.

Availability

74LVCH162244ADL:11 is available at Aetrix Electronics and suitable for industrial PLC backplanes, automated test equipment signal conditioning, and medical imaging data acquisition requiring stable component supply across extended temperature ranges and long production lifecycles.

Supply support for 74LVCH162244ADL:11 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, automotive, and computing applications.

The 74LVCH162244A product line targets high-speed parallel bus interfacing in mixed-voltage systems-designed specifically to eliminate external termination and biasing components while maintaining JEDEC-compliant timing and ruggedness.

FAQ

Does 74LVCH162244ADL:11 support hot-swap insertion when VCC is unpowered?

Yes. Its IOFF circuitry actively disables outputs and limits power-off leakage to ±10 μA when VCC = 0 V, even with inputs or outputs held at 5.5 V. This prevents back-current damage during live insertion into powered backplanes or modular chassis-verified per JESD78 Class II latch-up immunity testing.

Can the bus hold function be disabled or overridden?

No. Bus hold is permanently enabled on all 16 data inputs (A0–A15) and cannot be disabled via control pins or configuration. However, it automatically deactivates when input voltage exceeds VCC (e.g., 3.6 V input on 3.3 V rail), allowing safe 5 V signal injection without contention or excessive current draw.

What is the maximum sustained data rate supported with 30 Ω termination?

Measured propagation delay spread is ≤1.5 ns across all 16 channels at VCC = 3.3 V, supporting clean eye openings at 100 Mbps (10 ns period) on 50 Ω FR4 traces up to 100 mm. For >200 Mbps, verify signal integrity with IBIS simulation using the official Nexperia model, as trace loss dominates beyond 150 MHz.

How does the Schmitt-trigger input affect timing specifications?

Schmitt-trigger action adds 0.3 V typical hysteresis but does not alter propagation delay values in the datasheet-those are measured using standard VIH/VIL thresholds. The hysteresis improves noise margin against ground bounce and crosstalk without increasing tpd, making it especially valuable in electrically noisy industrial enclosures.