Nexperia USA Inc. NEVB-NXU0304UL

Overview

NEVB-NXU0304UL from Nexperia is a two-layer evaluation board designed for the NXU0304 4-bit dual-supply voltage translator in DHXQFN14 (SOT8014-1) package. It implements Schmitt-trigger inputs with 6.5 MΩ pull-downs, OE pin configurable to VCCA or VCCB, and supports 0.9 V to 5.5 V operation on both supply rails. The board enables characterization of 250 Mbps level shifting in mixed-voltage I²C, GPIO, and low-power MCU interface applications.

For engineers reviewing the NEVB-NXU0304UL datasheet, NEVB-NXU0304UL pinout, NEVB-NXU0304UL application, or NEVB-NXU0304UL equivalent, this board provides validated test conditions for propagation delay, rise/fall time, IOFF behavior, suspend-mode response, and load-dependent signal integrity across 0.9–5.5 V dual-rail translation scenarios.

Technical Context

The NEVB-NXU0304UL replicates real-world system integration of the NXU0304 device, incorporating series 0 Ω resistors and configurable capacitive loads (C1–C8) on all eight I/O lines to isolate and measure timing parameters under defined loading. Each input includes an integrated Schmitt trigger and 6.5 MΩ pull-down resistor to ensure deterministic logic state during floating or noisy signal conditions.

Output enable (OE) is routed to a 3-pin header with 10 kΩ pull-up options to either VCCA or VCCB, while internal VCC(min) circuitry ensures OE reference follows the lower active supply. Suspend mode activates when either supply drops below 100 mV, disabling outputs and minimizing leakage.

Key Specifications

Availability

NEVB-NXU0304UL is available at Aetrix Electronics and suitable for I²C bus expansion, low-power sensor node interfacing, multi-rail MCU GPIO bridging, and industrial control signal translation requiring stable component supply and repeatable lab validation.

Supply support for NEVB-NXU0304UL 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-performance, energy-efficient logic, discrete, and MOSFET solutions for automotive, industrial, and consumer applications.

The NXU evaluation board series supports Nexperia's NXU-family dual-supply translators-designed specifically for robust, low-noise bidirectional level shifting in battery-powered and mixed-voltage digital systems.

FAQ

What voltage ranges can be tested using the NEVB-NXU0304UL?

The board supports independent VCCA and VCCB supplies from 0.9 V to 5.5 V each. Power is applied via 2-pin headers J3 (VCCA/GND) and J4 (VCCB/GND), with silkscreen labeling for correct polarity. No level-shifting functionality is enabled unless both supplies are within specification and above 100 mV.

How is output enable (OE) configured on this evaluation board?

OE is accessed via 3-pin header J5: middle pin is OE, outer pins connect through 10 kΩ resistors to VCCA and VCCB. A jumper selects pull-up source. Internal OE pull-down ensures safe default state when unconnected. The NXU0304's VCC(min) circuit guarantees OE threshold tracks the lower active supply rail.

Can the NEVB-NXU0304UL be used to evaluate timing parameters like propagation delay?

Yes. Each I/O line includes a populated 0 Ω series resistor and an unpopulated capacitor footprint (C1–C8). By adding discrete capacitors, users can emulate controlled capacitive loads to measure rise/fall time, propagation delay, and noise margin degradation-directly correlating to real-system performance.

Does the board support both DHXQFN14 and TSSOP14 packages of the NXU0304?

The board is assembled with the DHXQFN14 (SOT8014-1) package by default. An alternate footprint is provided for TSSOP14 (SOT402-1); users may desolder U1 and mount the TSSOP variant. Pad layout and signal routing are identical between footprints, ensuring functional equivalence for evaluation purposes.