Nexperia USA Inc. 74AHC1GU04GW-Q100H

Overview

74AHC1GU04GW-Q100 from Nexperia is a single unbuffered inverter IC qualified to AEC-Q100 Grade 1 for automotive use, operating from -40 °C to +125 °C with supply voltage range 2.0–5.5 V, overvoltage-tolerant inputs up to 5.5 V, and symmetrical output impedance. It serves as a level translator in mixed-voltage domains and enables crystal oscillator and linear amplifier functions.

For engineers reviewing the 74AHC1GU04GW-Q100 datasheet, 74AHC1GU04GW-Q100 pinout, 74AHC1GU04GW-Q100 application, or 74AHC1GU04GW-Q100 equivalent, key selection criteria include automotive qualification grade, input overvoltage tolerance, propagation delay at 15 pF load (max 10.0 ns at 125 °C), output drive capability (±8 mA), and TSSOP5 package compatibility with high-density PCB layouts.

Technical Context

This device implements a CMOS unbuffered inverter topology with no internal buffering stage, resulting in lower propagation delay but higher sensitivity to capacitive loading. Its input structure supports overvoltage tolerance up to 5.5 V independent of VCC, enabling safe interfacing between 3.3 V logic and 5 V peripherals.

It delivers symmetrical output impedance for balanced rise/fall times and meets stringent automotive reliability requirements: latch-up immunity >100 mA (JESD78 Class II Level A), HBM ESD >2000 V, and CDM ESD >1000 V. The logic function is strictly inverting (L→H, H→L) with no hysteresis or Schmitt-trigger behavior.

Key Specifications

Pinout & Package

TSSOP5 (SOT353-1) plastic thin shrink small outline package: 5-lead, 1.25 mm body width, 0.65 mm pitch, exposed pad not present.

Key Features

Applications

Equivalent & Alternatives

The following parts are listed as comparable options for similar unbuffered inverter applications.

Compared with 74LVC1GU04GW-Q100 and SN74AUP1G04DBVR, the 74AHC1GU04GW-Q100 uniquely combines AEC-Q100 Grade 1 certification, 2.0 V minimum operation, and 5.5 V input tolerance - making it the sole choice for safety-relevant 2.0–5.5 V mixed-domain inversion in engine control and braking systems.

Availability

74AHC1GU04GW-Q100 is available at Aetrix Electronics and suitable for automotive ECU design, ADAS camera interface conditioning, and body electronics requiring stable component supply across extended temperature ranges and long production lifecycles.

Supply support for 74AHC1GU04GW-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 leading semiconductor manufacturer specializing in high-performance, high-reliability logic, analog, and discrete components for automotive, industrial, and computing markets.

The 74AHC logic family targets automotive and industrial applications demanding wide supply range, high noise immunity, and AEC-Q100 qualification - optimized for robust signal conditioning in harsh electrical environments.

FAQ

Is the 74AHC1GU04GW-Q100 pin-compatible with non-automotive variants like 74AHC1GU04GW?

Yes - the GW package (SOT353-1), pin numbering, and electrical pin functions are identical between the Q100 and standard versions. However, the Q100 variant undergoes additional automotive-specific stress testing and lot-level qualification per AEC-Q100, and its datasheet specifies parameters over -40 °C to +125 °C rather than the commercial -40 °C to +85 °C range.

Can this inverter be used as a linear amplifier, and what biasing is required?

Yes - the unbuffered architecture allows linear operation when biased in the transition region using feedback resistors R1 and R2 (per Fig. 11). A 1 μF AC-coupling capacitor and 560 kΩ bias resistor establish DC operating point near VCC/2; typical open-loop gain is 20, with unity-gain bandwidth ~5 MHz at VCC = 3.3 V.

What is the maximum capacitive load this device can drive while maintaining specified tpd?

The datasheet guarantees tpd ≤ 10.0 ns at CL = 15 pF and ≤ 13.5 ns at CL = 50 pF across -40 °C to +125 °C. For loads >50 pF, propagation delay increases nonlinearly; empirical testing shows tpd exceeds 20 ns at CL = 100 pF, so external buffering is recommended beyond 50 pF.

Does the 'n.c.' pin require any PCB layout consideration?

Pin 1 is internally not connected but occupies physical space in the TSSOP5 footprint. It must not be soldered to a copper pour or routed - leaving it floating is acceptable, though grounding it improves mechanical stability during reflow. No current path exists, so it introduces no leakage or noise coupling.