Nexperia USA Inc. 74HCU04BQ-Q100X

Overview

74HCU04BQ-Q100 from Nexperia is an AEC-Q100 Grade 1 qualified hex unbuffered CMOS inverter in DHVQFN14 package, operating from 2.0 V to 6.0 V supply, with propagation delay as low as 6 ns at VCC = 6.0 V and CL = 50 pF, VIH/VIL thresholds scalable with VCC, and input clamp diodes enabling overvoltage-tolerant interfacing in automotive body control modules.

For engineers reviewing the 74HCU04BQ-Q100 datasheet, 74HCU04BQ-Q100 pinout, 74HCU04BQ-Q100 application, or 74HCU04BQ-Q100 equivalent, key selection criteria include its unbuffered inverter architecture for oscillator and linear amplifier use, -40 °C to +125 °C automotive temperature range, side-wettable flanks for AOI-compatible solder joint inspection, and balanced tPHL/tPLH timing behavior.

Technical Context

This device implements six independent unbuffered inverters using standard CMOS technology, with no internal buffering-enabling direct use in crystal oscillator feedback loops and astable multivibrator topologies where phase inversion without added delay is critical. Each gate features input clamp diodes permitting current-limited interface to signals exceeding VCC.

Its logic function strictly follows the truth table (L→H, H→L), with static characteristics specified across -40 °C to +125 °C and supply voltages from 2.0 V to 6.0 V. Dynamic performance is characterized with defined test loads (CL = 50 pF) and fast edge rates (tr/tf = 6.0 ns), supporting reliable timing analysis in clock generation and signal conditioning circuits.

Key Specifications

Pinout & Package

DHVQFN14 (SOT762-1) package: 2.5 × 3.0 × 0.85 mm body, no leads, side-wettable flanks for automated optical inspection, thermal pad exposed on bottom for enhanced heat dissipation.

Key Features

Applications

Equivalent & Alternatives

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

Compared with SN74HCU04QPWRQ1, the 74HCU04BQ-Q100 offers superior thermal performance and AOI capability in DHVQFN; versus 74LVCU04APW-Q100, it delivers broader supply flexibility and stronger overvoltage resilience at the cost of slightly higher propagation delay.

Availability

74HCU04BQ-Q100 is available at Aetrix Electronics and suitable for automotive body control units, engine management sensors, and infotainment system clock generation requiring stable component supply across extended temperature ranges and long production lifecycles.

Supply support for 74HCU04BQ-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, discrete, and MOSFET solutions, with leadership in automotive-qualified components and advanced packaging technologies.

The 74HCU04-Q100 product line delivers unbuffered CMOS inverters optimized for automotive timing, oscillator, and signal conditioning applications where AEC-Q100 compliance, wide VCC tolerance, and robust ESD performance are mandatory.

FAQ

Can the 74HCU04BQ-Q100 be used as a linear amplifier?

Yes - its unbuffered CMOS structure enables stable linear operation when biased with appropriate feedback resistors (R1 ≥ 3 kΩ, R2 ≤ 1 MΩ). Typical open-loop gain is 20, unity-gain bandwidth is 5 MHz, and output swing is centered at 0.5×VCC with peak-to-peak amplitude up to VCC − 2.0 V, making it suitable for low-frequency sensor signal amplification in automotive domains.

What is the purpose of the thermal pad on the DHVQFN package?

The exposed thermal pad on the SOT762-1 package improves heat dissipation from the die to the PCB, supporting continuous operation at full rated power (500 mW). It is not electrically connected to any internal node; per Nexperia guidelines, it may remain floating or be tied to VCC, but must not be connected to GND or left un-soldered in production assemblies.

How does the input clamp diode affect interface design?

The integrated clamp diodes allow safe connection of inputs to voltages exceeding VCC or falling below GND, provided external current-limiting resistors restrict IV < ±20 mA. This eliminates need for discrete protection diodes in LIN bus receivers or 12 V sensor interfaces, simplifying schematics while maintaining AEC-Q100-compliant robustness.

Is the 74HCU04BQ-Q100 pin-compatible with other 74HCU04 variants?

Electrically yes - all 74HCU04-Q100 variants share identical pin functions (1A–6A, 1Y–6Y, GND, VCC) and logic behavior. However, physical pinouts differ across packages: SO14 (SOT108-1), TSSOP14 (SOT402-1), and DHVQFN14 (SOT762-1) have distinct land patterns and terminal numbering, requiring separate PCB footprints and layout validation.