Diodes Incorporated 74LVC1G04FS3-7

Overview

74LVC1G04FS3-7 from Diodes Incorporated is a single CMOS inverter gate with push-pull output, designed for voltage-level shifting and signal inversion in mixed-voltage digital systems. It operates from 1.65V to 5.5V, tolerates 5.5V inputs, supports IOFF partial power-down mode, and delivers ±24mA output drive at 3.3V. Used in portable computing and peripheral interface logic.

For engineers reviewing the 74LVC1G04FS3-7 datasheet, 74LVC1G04FS3-7 pinout, 74LVC1G04FS3-7 application, or 74LVC1G04FS3-7 equivalent, key selection criteria include supply voltage flexibility (1.65–5.5V), 5.5V-tolerant inputs, IOFF-enabled power-down isolation, and ultra-small X2-DFN0808-4 footprint for space-constrained PCBs.

Technical Context

This device implements a single positive-logic inverter (Y = A̅) using advanced CMOS process technology. Its IOFF circuit actively disables output during power-down, preventing backflow current when VCC = 0V while inputs remain biased up to 5.5V.

It meets JESD22 ESD standards (2kV HBM, 2000V HBM, 1kV CDM) and JESD78 latch-up immunity (>100mA). Input thresholds scale with VCC (e.g., VIH = 0.7×VCC at 4.5–5.5V), enabling reliable interfacing across 1.8V, 2.5V, 3.3V, and 5V logic domains.

Key Specifications

Pinout & Package

X2-DFN0808-4 is a 0.8mm × 0.8mm × 0.35mm diamond-layout chip-scale package with 4 active terminals and no exposed pad. It uses 0.5mm pitch solderable pads and requires controlled thermal relief for reflow.

Key Features

Applications

Equivalent & Alternatives

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

Compared with SN74LVC1G04DBVR and 74AUP1G04GW,125, the 74LVC1G04FS3-7 uniquely combines 5.5V input tolerance, IOFF, and the smallest available footprint (X2-DFN0808-4), making it optimal for miniaturized, mixed-voltage, and power-gated designs.

Availability

74LVC1G04FS3-7 is available at Aetrix Electronics and suitable for USB peripheral interface, mobile device power sequencing, and SSD SATA link control requiring stable component supply, long-term lifecycle support, and RoHS-compliant packaging.

Supply support for 74LVC1G04FS3-7 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 semiconductor company specializing in discrete, analog, and logic solutions for industrial, computing, consumer, and communications markets.

The 74LVC logic family targets high-speed, low-voltage, mixed-signal interface applications with emphasis on voltage translation, power efficiency, and robust ESD performance.

FAQ

Can 74LVC1G04FS3-7 operate reliably at 1.65V supply?

Yes. The device is fully specified down to 1.65V per its Recommended Operating Conditions table. At this voltage, it guarantees VOL ≤ 0.45V at 4mA sink and VOH ≥ 1.2V at 4mA source, with tPD ≤ 7.5ns. Input thresholds scale accordingly (VIH = 0.65×VCC), ensuring noise margin retention.

What is the thermal resistance (θJA) of the X2-DFN0808-4 package?

The datasheet specifies θJA = 400°C/W for the X2-DFN0808-4 package under standard test conditions (FR-4 board, 2oz copper, minimum recommended pad layout). This value assumes no thermal vias or copper pour; adding two thermal vias under the GND pad reduces θJA by ~30–40°C/W in typical layouts.

Does 74LVC1G04FS3-7 require external pull-up or pull-down resistors on unused inputs?

No. Per Note 9 in the datasheet, unused inputs must be held at VCC or GND - either via direct connection or external resistors. Floating inputs are prohibited due to increased ICC and potential oscillation. The device has no internal weak pull-ups/pull-downs; external biasing is mandatory for unconnected pins.

How does IOFF behave when VCC = 0V and input is held at 5.5V?

When VCC = 0V, the IOFF circuit disables the output stage, limiting output leakage to ±10μA maximum even with 5.5V applied to A or Y. This prevents reverse current flow into the powered-down VCC rail, protecting upstream regulators and avoiding latch-up in interconnected logic domains.