Diodes Incorporated 74LVC1G57FW4-7

Overview

74LVC1G57FW4-7 from Diodes Incorporated is a single 3-input configurable multiple-function logic gate in X2-DFN1010-6 package, supporting AND, OR, NAND, NOR, XNOR, inverter, and non-inverting buffer functions via input pattern selection. It operates from 1.65V to 5.5V, features 5.5V-tolerant inputs, ±24mA output drive at 3.3V, and IOFF-enabled partial power-down protection. Used for voltage-level shifting and signal isolation in portable consumer electronics.

For engineers reviewing the 74LVC1G57FW4-7 datasheet, 74LVC1G57FW4-7 pinout, 74LVC1G57FW4-7 application, or 74LVC1G57FW4-7 equivalent, this device serves as a space-constrained, low-power reconfigurable logic element with Schmitt-trigger input hysteresis, mixed-voltage interface capability, and RoHS-compliant green packaging.

Technical Context

The 74LVC1G57 implements combinational logic via three digital inputs (IN0–IN2) selecting one of eight truth-table outputs mapped to Y. Its internal logic is static CMOS with no clock or state retention-functionality is purely combinatorial and determined at each input transition.

Input hysteresis (ΔVT = 0.30–1.40V across VCC range) enables noise immunity in noisy environments, while IOFF circuitry disables output leakage during power-down, preventing backflow current when VCC = 0V but inputs remain active at up to 5.5V.

Key Specifications

Pinout & Package

X2-DFN1010-6 (1.0mm × 1.0mm, 0.4mm pitch, 0.39mm height) - ultra-compact, leadless, thermally enhanced surface-mount package with exposed thermal pad; RoHS-compliant, halogen-free "Green" molding compound.

Key Features

Applications

Equivalent & Alternatives

The following parts are listed as comparable options for similar configurable logic gate applications.

Compared with SN74LVC1G57DBVR and 74LVC1G57DW-7, the 74LVC1G57FW4-7 delivers the smallest PCB footprint (1.0mm²), highest board-density efficiency, and best fit for mass-produced compact consumer devices-while retaining full functional equivalence and identical logic behavior.

Availability

74LVC1G57FW4-7 is available at Aetrix Electronics and suitable for voltage level shifting, general-purpose logic replacement, and power-down signal isolation requiring stable component supply in high-volume portable electronics manufacturing.

Supply support for 74LVC1G57FW4-7 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-reliability, energy-efficient components for consumer, computing, industrial, and automotive markets.

The 74LVC logic family targets low-voltage, mixed-supply digital systems-designed for interoperability across 1.65V–5.5V rails with robust ESD tolerance, low static current, and compact packaging for space-sensitive applications.

FAQ

What logic functions can the 74LVC1G57FW4-7 implement?

The 74LVC1G57FW4-7 implements eight distinct logic functions determined by its three inputs (IN0–IN2): AND, OR, NAND, NOR, XNOR, inverter, and non-inverting buffer. The specific function is selected by the 3-bit input pattern per the truth table in DS35125 Rev. 4–2, page 3. No external configuration pins or programming are required-function is purely combinatorial.

Does the 74LVC1G57FW4-7 support partial power-down operation?

Yes-the device integrates an IOFF circuit that automatically disables the output and limits leakage current to ±200μA when VCC = 0V, even if inputs remain at up to 5.5V. This prevents damaging back-current flow in multi-rail systems during power sequencing or standby modes, as verified in the Recommended Operating Conditions section (page 4) and Electrical Characteristics (page 6).

Can the 74LVC1G57FW4-7 be used for debouncing mechanical switches?

Yes-its built-in Schmitt-trigger input hysteresis (ΔVT = 0.30–1.40V) provides inherent noise immunity, making it effective for cleaning slow-rising or bouncing switch signals. When configured as an inverter or buffer, it delivers clean digital edges without external RC networks, as confirmed by VT+ and VT− thresholds in the Electrical Characteristics tables (pages 5–6).

Is the X2-DFN1010-6 package of the 74LVC1G57FW4-7 compatible with standard reflow profiles?

Yes-the X2-DFN1010-6 package is qualified for standard lead-free reflow per J-STD-020, with peak temperature ≤ 260°C. Its thermal resistance (θJA = 510°C/W) requires adherence to Diodes' recommended pad layout (AP02001) for reliable solder joint formation and thermal performance, as specified in the Ordering Information section (page 9) and Package Outline Dimensions (page 12).