Nexperia USA Inc. 74AUP1G74DC,125

Overview

74AUP1G74DC from Nexperia is a single positive-edge-triggered D-type flip-flop with asynchronous set (SD) and reset (RD) inputs, complementary Q and Q̅ outputs, and Schmitt-trigger inputs for noise immunity. It operates across 0.8 V to 3.6 V supply, delivers ≤0.9 μA max ICC at 25 °C, supports -40 °C to +125 °C ambient, and features IOFF circuitry for partial power-down protection in battery-powered IoT sensor nodes.

For engineers reviewing the 74AUP1G74DC datasheet, 74AUP1G74DC pinout, 74AUP1G74DC application, or 74AUP1G74DC equivalent, key selection criteria include its ultra-low static current, wide VCC range enabling direct interface with 1.2 V/1.8 V/3.3 V logic domains, guaranteed setup/hold timing down to 0.1 ns at 3.0 V, and VSSOP8 package compatibility with high-density PCB layouts.

Technical Context

This device implements a master-slave D flip-flop architecture synchronized on the LOW-to-HIGH clock transition, with priority-governed asynchronous SD and RD inputs that override clocked data storage. All inputs incorporate Schmitt-trigger thresholds to tolerate slow-rising signals and suppress noise-induced glitches.

IOFF circuitry actively disables outputs when VCC = 0 V, blocking backflow current during partial power-down sequences - critical for multi-rail systems where logic domains power up/down independently. Input overvoltage tolerance to 3.6 V allows safe interfacing with higher-voltage peripherals without level shifters.

Key Specifications

Pinout & Package

VSSOP8 plastic very thin shrink small outline package (SOT765-1); 8 leads; body width 2.3 mm; pin 1 indicator located below marking code 'p74' in lower-left corner.

Key Features

Applications

Equivalent & Alternatives

The following parts are listed as comparable options for similar D-type flip-flop applications.

Compared with SN74LVC1G74DCUR and 74LVC1G74GW,125, the 74AUP1G74DC provides superior power efficiency, broader voltage flexibility, and hardware-level noise immunity - making it optimal for energy-constrained, mixed-voltage, and electrically harsh applications.

Availability

74AUP1G74DC is available at Aetrix Electronics and suitable for industrial PLC I/O modules, automotive body control units, and low-power IoT sensor nodes requiring stable component supply across extended temperature ranges and long production lifecycles.

Supply support for 74AUP1G74DC 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 delivering high-performance logic, discrete, and MOSFET solutions optimized for efficiency, reliability, and miniaturization in high-volume applications.

The 74AUP (Advanced Ultra-low Power) product line targets battery-operated and thermally constrained systems requiring sub-microamp quiescent current, wide VCC scalability, and robust signal integrity - directly addressing design challenges in portable medical devices and automotive subsystems.

FAQ

What is the minimum recommended VCC for guaranteed operation at -40 °C to +125 °C?

The 74AUP1G74DC is fully specified from 0.8 V to 3.6 V across its entire operating temperature range. At -40 °C to +125 °C, VIH remains ≥0.75 × VCC and VIL ≤0.25 × VCC down to VCC = 0.8 V, enabling functional operation even with weakly regulated or aging battery supplies.

Does the IOFF feature require external pull-down resistors on outputs during power-down?

No. The integrated IOFF circuitry automatically places Q and Q̅ outputs in high-impedance state when VCC = 0 V, eliminating backflow current without external components. This behavior is verified per JESD78 Class II latch-up testing and requires no additional biasing.

Can SD and RD be used simultaneously without causing undefined states?

Yes. When both SD and RD are asserted LOW, the function table specifies Q = H and Q̅ = H - a defined, non-conflicting state. This dual-active condition is electrically stable and commonly used for forced initialization prior to normal clocked operation.

How does Schmitt-trigger action improve performance in noisy environments?

Schmitt-trigger inputs provide hysteresis (typically 0.3–0.5 V depending on VCC), rejecting noise spikes smaller than the threshold gap. This eliminates false clocking or data corruption from EMI-coupled transients on CP, D, SD, or RD lines - confirmed by >5000 V HBM ESD robustness and 10% VCC overshoot/undershoot limits.