Nexperia USA Inc. 74AUP3G0434GFX

Overview

74AUP3G0434 from Nexperia is a low-power triple-gate logic device integrating two Schmitt-trigger inverters (1A→1Y, 3A→3Y) and one non-inverting buffer (2A→2Y), operating across 0.8 V–3.6 V supply. It delivers ICC ≤ 1.4 μA max at −40 °C to +125 °C, tPD = 1.1–4.3 ns (VCC = 3.0–3.6 V, CL = 5 pF), and supports partial power-down via IOFF circuitry. Used in battery-powered sensor interfaces and level-shifting I/O conditioning.

For engineers reviewing the 74AUP3G0434 datasheet, 74AUP3G0434 pinout, 74AUP3G0434 application, or 74AUP3G0434 equivalent, key selection criteria include its dual-Schmitt input tolerance for slow-rising signals, guaranteed operation down to 0.8 V, IOFF-enabled isolation during system sleep modes, and ultra-low static current in extended temperature range.

Technical Context

This device implements three independent logic gates in a single 8-terminal package: two inverting channels with hysteresis (VIH/VIL thresholds scale with VCC) and one non-inverting buffer without hysteresis. All inputs tolerate up to 3.6 V regardless of VCC, enabling mixed-voltage interfacing.

Its IOFF circuit actively disables outputs when VCC = 0 V, limiting backflow current to ±0.75 μA max, satisfying JEDEC JESD78B Class II latch-up immunity (>100 mA), and supporting hot-swap and partial power-down architectures in portable and industrial control systems.

Key Specifications

Pinout & Package

74AUP3G0434 is available in four 8-terminal packages: VSSOP8 (SOT765-1), XSON8 (SOT833-1), XSON8 (SOT1116), and XSON8 (SOT1203). All variants share identical pin function mapping and thermal derating profiles per package type.

Key Features

Applications

Equivalent & Alternatives

The following parts are listed as comparable options for similar triple-gate logic applications.

Compared with 74LVC3G0434, the 74AUP3G0434 provides essential Schmitt-trigger noise rejection and IOFF isolation-critical for real-world sensor and switch interfaces-while SN74AUP3G0434 offers identical performance with alternate logistics support.

Availability

74AUP3G0434 is available at Aetrix Electronics and suitable for industrial sensor interfaces, portable device power sequencing, automotive body control modules, and IoT edge node signal conditioning requiring stable component supply across extended temperature ranges.

Supply support for 74AUP3G0434 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 components for automotive, industrial, and consumer markets.

The 74AUP (Advanced Ultra Low Power) product line targets battery-constrained and thermally sensitive applications, delivering nanowatt static power and robust operation from 0.8 V to 3.6 V with industry-leading ESD and latch-up immunity.

FAQ

What is the maximum input voltage the 74AUP3G0434 can tolerate?

The 74AUP3G0434 accepts input voltages up to 3.6 V on all pins (1A, 2A, 3A, 1Y, 2Y, 3Y), independent of VCC level. This allows safe interfacing with higher-voltage peripherals even when operating from 0.8 V or 1.2 V supplies, eliminating external clamping diodes in mixed-voltage designs.

Does the 74AUP3G0434 support true bidirectional signal flow?

No. The 74AUP3G0434 contains three unidirectional logic gates: two inverters (1A→1Y, 3A→3Y) and one buffer (2A→2Y). It has no internal bus switches or direction-control logic. All signal paths are strictly input-to-output; reverse current flow is blocked by design except during IOFF state where outputs are high-impedance.

How does the IOFF feature behave when VCC is ramping during power-up?

IOFF activates only when VCC falls to 0 V. During power-up, the device transitions from high-impedance (IOFF active) to functional operation once VCC exceeds ~0.3 V. No special sequencing is required-the outputs remain disabled until VCC reaches valid logic threshold, preventing glitches on downstream circuits.

Can the 74AUP3G0434 replace discrete resistor-capacitor debounce networks?

Yes. Its built-in Schmitt-trigger inputs provide hysteresis (≥0.4 V at 1.8 V), making it effective for debouncing mechanical switches and noisy sensor outputs without external RC components. Combined with ultra-low ICC, it reduces total solution size and improves long-term reliability versus passive networks subject to capacitor aging or solder joint fatigue.