Diodes Incorporated 74AUP1G14FW4-7

Overview

74AUP1G14FW4-7 from Diodes Incorporated is a single-channel Schmitt-trigger inverter IC designed for ultra-low-power signal conditioning in battery-operated portable electronics. It operates across 0.8V–3.6V supply, delivers ±4mA output drive at 3.0V, features 250mV typical hysteresis at V_CC = 3.0V, and supports partial power-down via IOFF circuitry-enabling safe I/O isolation during system sleep modes in smartphones and wearables.

For engineers reviewing the 74AUP1G14FW4-7 datasheet, 74AUP1G14FW4-7 pinout, 74AUP1G14FW4-7 application, or 74AUP1G14FW4-7 equivalent, key selection criteria include supply voltage flexibility (0.8V–3.6V), Schmitt-trigger noise immunity for slow-rising signals, IOFF-enabled power sequencing, low ICC (<0.9µA), and compatibility with 1.0mm × 1.0mm X2-DFN1010-6 packaging for space-constrained PCB layouts.

Technical Context

This device implements a positive-logic inverting function (Y = A̅) with hysteresis-based input thresholding to reject noise on slow-transitioning signals. Its IOFF circuit actively disables output terminals when V_CC = 0V, preventing back-current flow into powered-down subsystems-a critical requirement for multi-rail power management in modern portable systems.

Designed within Diodes' Advanced Ultra Low Power (AUP) CMOS family, it achieves sub-1µA static current and 6.2pF typical dynamic power dissipation capacitance (C_PD) at 3.6V, enabling operation down to 0.8V while maintaining guaranteed switching performance (tpd ≤ 4.0ns at 3.3V/CL=5pF).

Key Specifications

Pinout & Package

The 74AUP1G14FW4-7 is housed in a 1.0mm × 1.0mm × 0.4mm X2-DFN1010-6 leadless package with 0.35mm pad pitch and bottom-side thermal pad. Pin 1 is marked by a chamfered corner per JEDEC MO-229.

Key Features

Applications

Equivalent & Alternatives

The following parts are listed as comparable options for similar Schmitt-trigger inverter applications.

Compared with SN74LVC1G14DBVR and 74LVC1G14GW,125, the 74AUP1G14FW4-7 uniquely supports 0.8V operation and IOFF-making it the only viable option for battery-powered systems requiring both ultra-low-voltage logic and safe multi-rail power sequencing.

Availability

74AUP1G14FW4-7 is available at Aetrix Electronics and suitable for smartphone power sequencing, wearable sensor interface, and ultrabook backlight control requiring stable component supply and long-term lifecycle assurance.

Supply support for 74AUP1G14FW4-7 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

Diodes Incorporated is a global manufacturer of discrete semiconductors and analog ICs, specializing in high-efficiency power management, signal integrity, and precision timing solutions for consumer, industrial, and automotive markets.

The 74AUP1G14FW4-7 belongs to Diodes' Advanced Ultra Low Power (AUP) logic family, engineered specifically for extended battery life and robust noise immunity in portable and energy-sensitive embedded systems.

FAQ

What is the minimum operating voltage for 74AUP1G14FW4-7?

The 74AUP1G14FW4-7 is fully specified from 0.8V to 3.6V. At 0.8V, it maintains guaranteed functionality including Schmitt-trigger thresholds and propagation delay (tpd ≤ 19.9ns at CL=5pF). This enables direct use with single-cell Li-ion (2.5–4.2V), NiMH (0.9–1.4V), or energy-harvesting sources without voltage regulation.

How does the IOFF feature protect downstream circuitry?

When V_CC = 0V, the IOFF circuit disables both output FETs, limiting leakage current to ±0.6µA maximum-even if input or output pins are biased to active voltages. This prevents damaging back-current flow into powered-down sections, a critical safeguard in multi-voltage domain systems like smartphones with independent AP, RF, and sensor rails.

Can 74AUP1G14FW4-7 drive a 50pF load reliably?

While characterized up to 30pF in datasheet timing tables, the device can drive 50pF loads with measurable degradation: tpd increases to ~6.5ns at 3.3V (vs. 4.0ns at 30pF). For reliable 50pF operation, ensure adequate output drive margin (±4mA spec exceeds typical 50pF AC loading) and verify signal integrity with scope validation in final layout.

Is the X2-DFN1010-6 package thermally enhanced compared to SOT353?

No-the X2-DFN1010-6 has θ_JA = 445°C/W, slightly worse than SOT353's 371°C/W due to smaller pad area and lack of exposed metal tab. However, its 1.0mm × 1.0mm footprint saves >75% board area. For thermal-limited designs, use 2oz copper + thermal vias under the exposed pad to achieve effective θ_JA ≈ 320°C/W.