Nexperia USA Inc. 74LVC1GU04GW,125

Overview

74LVC1GU04GW,125 from Nexperia is a single unbuffered CMOS inverter IC designed for level-shifting and signal inversion in mixed-voltage digital systems. It operates across 1.65 V to 5.5 V supply, accepts 5.5 V-tolerant inputs, delivers ±24 mA output drive at 3.0 V, and is rated for -40 °C to +125 °C. It serves as a core logic element in clock buffering, oscillator feedback paths, and interface translation between 3.3 V and 5 V domains.

For engineers reviewing the 74LVC1GU04GW,125 datasheet, 74LVC1GU04GW,125 pinout, 74LVC1GU04GW,125 application, or 74LVC1GU04GW,125 equivalent, key selection criteria include its unbuffered architecture (enabling linear-mode operation), overvoltage-tolerant inputs, wide V_CC range, guaranteed propagation delay ≤5.0 ns at 3.3 V, and TSSOP5 (SOT353-1) package with side-wettable flanks absent - confirming suitability for high-density PCBs requiring precise solder-joint inspection.

Technical Context

This device implements a single-stage CMOS inverter without internal buffering, enabling direct use in crystal oscillator circuits and linear amplifier configurations per Figure 8 and Figure 9 of the datasheet. Its unbuffered topology eliminates added propagation delay and phase shift, making it suitable for precision timing feedback loops where minimal gate delay and predictable DC transfer characteristics are required.

The input stage tolerates up to 5.5 V regardless of V_CC, supporting interoperability between 3.3 V and 5 V logic families. Output drive strength is specified at ±24 mA (V_CC = 3.0 V), with static VIH/VIL thresholds defined as 0.8×V_CC/0.2×V_CC over the full -40 °C to +125 °C industrial temperature range, ensuring robust noise immunity in noisy environments.

Key Specifications

Pinout & Package

TSSOP5 (SOT353-1) package: plastic thin shrink small outline, 5-lead, 1.25 mm body width, 0.65 mm lead pitch, no exposed thermal pad.

Key Features

Applications

Equivalent & Alternatives

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

Compared with SN74LVC1G04DBVR and 74AUP1G04GW,125, the 74LVC1GU04GW,125 uniquely balances high-temperature operation, fast propagation, and robust drive strength - making it optimal for timing-critical, thermally demanding embedded systems where both reliability and performance are non-negotiable.

Availability

74LVC1GU04GW,125 is available at Aetrix Electronics and suitable for industrial automation controllers, automotive body electronics modules, and high-reliability IoT edge nodes requiring stable component supply across extended temperature ranges and long production lifecycles.

Supply support for 74LVC1GU04GW,125 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 essential efficiency-enhancing components, delivering high-performance logic, discrete, and MOSFET solutions with industry-leading quality and reliability.

The 74LVC1GU04GW,125 belongs to Nexperia's LVC (Low-Voltage CMOS) logic family, engineered for robust mixed-voltage interoperability, low dynamic power, and extended temperature operation in space-constrained industrial and automotive applications.

FAQ

Can the 74LVC1GU04GW,125 be used in linear amplifier mode?

Yes - its unbuffered architecture allows biasing into the linear region using external resistors (R1 ≥ 3 kΩ, R2 ≤ 1 MΩ) as shown in Figure 8 of the datasheet. Typical unity-gain bandwidth is 5 MHz, and output swing is centered at 0.5×V_CC with peak-to-peak amplitude of V_CC − 1.5 V. This mode requires stable DC bias and is validated only for V_CC = 3.3 V or 5.0 V per application note AN10692.

What is the maximum capacitive load the 74LVC1GU04GW,125 can drive reliably?

The device is characterized up to 50 pF load capacitance (Table 10), with propagation delay increasing predictably beyond that. At V_CC = 3.3 V and 50 pF, t_PD remains ≤5.0 ns. Driving >100 pF risks excessive rise/fall times and potential oscillation due to reduced phase margin - external buffer stages are recommended for heavy capacitive loads.

Does the 'n.c.' pin on the TSSOP5 package require PCB routing or termination?

No - Pin 1 is explicitly marked "not connected" in Table 3 and confirmed in Figure 1 (aaa-035693). It has no internal bond wire or silicon connection. PCB layout should leave this pad unconnected; neither routing nor grounding is required, and doing so introduces unnecessary parasitic capacitance.

How does the 74LVC1GU04GW,125 differ from buffered inverters like the 74LVC1G14?

Unlike the Schmitt-trigger buffered 74LVC1G14, the 74LVC1GU04GW,125 lacks hysteresis and internal staging - resulting in lower propagation delay (<5 ns vs >7 ns), no input threshold variation, and direct usability in oscillator feedback loops. Its unbuffered nature also permits linear-mode biasing, which buffered variants cannot support.