Nexperia USA Inc. 74ALVC125PW-Q100J

Overview

74ALVC125PW-Q100 from Nexperia is a quad non-inverting 3-state buffer/line driver qualified to AEC-Q100 Grade 1 for automotive use, operating from -40 °C to +125 °C with supply voltage range 1.65 V to 3.6 V, featuring Schmitt-trigger inputs, IOFF partial power-down protection, and TSSOP14 (SOT402-1) packaging.

For engineers reviewing the 74ALVC125PW-Q100 datasheet, 74ALVC125PW-Q100 pinout, 74ALVC125PW-Q100 application, or 74ALVC125PW-Q100 equivalent, key selection criteria include 3-state bus isolation timing (tpd ≤ 3.2 ns at 3.6 V), overvoltage-tolerant inputs (3.6 V), TTL-level compatibility, and automotive-grade thermal and ESD robustness (HBM > 2000 V).

Technical Context

This device implements four independent non-inverting buffers, each with active-low 3-state enable (nOE) controlling high-impedance output (Z-state). Schmitt-trigger inputs provide hysteresis (typ. 0.3 V at VCC = 3.3 V), enabling reliable operation with slow-rising signals in noisy automotive environments.

The IOFF circuit ensures outputs are disabled when VCC = 0 V, blocking backflow current during partial power-down - critical for mixed-voltage domain systems. Input tolerance up to 3.6 V allows interfacing with higher-voltage logic without level shifters, while static and dynamic parameters are fully specified across -40 °C to +125 °C.

Key Specifications

Pinout & Package

TSSOP14 package (SOT402-1): plastic thin shrink small outline, 14 leads, body width 4.4 mm, 0.65 mm pitch, lead finish matte tin, RoHS-compliant.

Key Features

Applications

Equivalent & Alternatives

The following parts are listed as comparable options for similar quad 3-state buffer applications.

Compared with SN74LVC125APWR, the 74ALVC125PW-Q100 adds automotive qualification and extended temperature operation but shares identical logic behavior; versus 74LVC125ABQ-Q100, it trades thermal efficiency and size for TSSOP manufacturability and AOI support.

Availability

74ALVC125PW-Q100 is available at Aetrix Electronics and suitable for automotive body electronics, instrument cluster interfaces, and ADAS sensor signal conditioning requiring stable component supply across extended temperature ranges and AEC-Q100 compliance.

Supply support for 74ALVC125PW-Q100 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 focused on high-volume, high-reliability logic, analog, and MOSFET solutions, headquartered in Nijmegen, Netherlands.

The ALVC logic family targets automotive and industrial applications demanding robustness, wide voltage operation, and low-power performance - specifically engineered for signal integrity in electrically noisy, thermally demanding environments.

FAQ

Can 74ALVC125PW-Q100 operate with VCC = 1.8 V while interfacing with 3.3 V inputs?

Yes. Its inputs are overvoltage tolerant up to 3.6 V regardless of VCC level, so 3.3 V signals may be applied safely at VCC = 1.8 V. The device will translate those inputs to valid 1.8 V logic levels at its outputs, provided output loading remains within drive capability limits.

What is the maximum capacitive load the outputs can drive while maintaining tpd ≤ 5 ns?

At VCC = 3.3 V and Tamb = 25 °C, the device maintains tpd ≤ 5 ns driving up to 50 pF (per Table 9 test condition). With heavier loads (e.g., 75 pF), propagation delay increases nonlinearly - design margin requires derating to ≤ 30 pF for guaranteed sub-4 ns timing in production.

Does the IOFF feature require external circuitry to activate?

No. IOFF is fully internal and automatic: when VCC drops to 0 V, the output transistors are disabled without any external control signal or pull-up/down components. This occurs inherently due to the device's internal power-sense circuitry and requires no firmware or hardware intervention.

Is the TSSOP14 package (SOT402-1) compatible with standard reflow profiles for lead-free assembly?

Yes. The SOT402-1 package is rated for standard IPC/JEDEC J-STD-020D lead-free reflow, with peak temperature up to 260 °C for ≤ 30 seconds. Its matte tin lead finish ensures compatibility with no-clean fluxes and avoids whisker formation under automotive thermal cycling stress.