Diodes Incorporated 74LVC1G98FW4-7

Overview

74LVC1G98FW4-7 from Diodes Incorporated is a single 3-input configurable multiple-function logic gate in X2-DFN1010-6 package, supporting user-selectable logic functions (MUX, AND, OR, NAND, NOR, inverter, buffer) via input pattern mapping. 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 routing in space-constrained portable electronics.

For engineers reviewing the 74LVC1G98FW4-7 datasheet, 74LVC1G98FW4-7 pinout, 74LVC1G98FW4-7 application, or 74LVC1G98FW4-7 equivalent, this device serves as a compact, low-power, mixed-voltage compatible logic configurator-ideal for BOM consolidation in battery-powered consumer and embedded systems where footprint, supply flexibility, and I/O isolation are critical.

Technical Context

The 74LVC1G98 implements a fixed 3-input truth table with eight possible output states, enabling configuration of seven standard logic functions without external programming circuitry. Its Schmitt-trigger input hysteresis (min 0.30V at 1.65V VCC) improves noise immunity in noisy digital environments.

IOFF circuitry actively disables outputs during power-down, preventing back-current flow when VCC = 0V while inputs remain biased at up to 5.5V. Input thresholds scale with VCC (e.g., VT+ = 1.50–2.00V at 3V), ensuring robust logic recognition across the full 1.65–5.5V operating range.

Key Specifications

Pinout & Package

X2-DFN1010-6 (1.0mm × 1.0mm, 0.4mm pitch, 0.39mm height) - ultra-compact, leadless, thermally enhanced package suitable for high-density PCB layouts and automated reflow assembly.

Key Features

Applications

Equivalent & Alternatives

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

Compared with SN74LVC1G98DRYR and 74LVC1G57GW,125, the 74LVC1G98FW4-7 uniquely combines DFN1010-6 miniaturization, guaranteed IOFF protection, and commercial-grade reliability-making it optimal for space- and safety-critical portable electronics where footprint and power-state integrity are non-negotiable.

Availability

74LVC1G98FW4-7 is available at Aetrix Electronics and suitable for smartphone baseband interfaces, USB-C port controllers, and SSD SATA link control requiring stable component supply, consistent DFN1010-6 packaging, and guaranteed IOFF behavior across temperature.

Supply support for 74LVC1G98FW4-7 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, and industrial markets.

The 74LVC1G98 belongs to Diodes' LVC logic family-designed specifically for low-voltage, mixed-supply system integration with emphasis on voltage translation, power-state robustness, and ultra-small packaging.

FAQ

What logic functions can the 74LVC1G98FW4-7 implement, and how are they selected?

The 74LVC1G98FW4-7 implements seven logic functions-MUX, AND, OR, NAND, NOR, inverter, and non-inverting buffer-selected solely by the static 3-bit combination applied to IN0, IN1, and IN2. No configuration register, clock, or external programming is needed; each of the eight possible input patterns maps directly to a defined output state per the truth table in DS35128 Rev 5-2, page 3.

Does the 74LVC1G98FW4-7 support partial power-down, and how does IOFF behave?

Yes-the 74LVC1G98FW4-7 features integrated IOFF circuitry that forces the Y output into a high-impedance state when VCC = 0V, even if inputs remain at up to 5.5V. This prevents damaging back-current flow from live system nodes into the unpowered device, satisfying IEC 61000-4-2 ESD and JEDEC JESD78 latch-up requirements for hot-swap and multi-rail power sequencing.

Can the 74LVC1G98FW4-7 be used for voltage level translation between 1.8V and 5V domains?

Yes-its 5.5V-tolerant inputs allow direct connection to 5V signals while operating from a 1.8V supply, and its push-pull output swings rail-to-rail (0V to 1.8V), making it suitable for unidirectional 5V→1.8V level translation. For bidirectional translation or 1.8V→5V output, an external pull-up to 5V is required-but the device itself does not provide open-drain or level-shifting output architecture.

What is the thermal performance of the X2-DFN1010-6 package in typical PCB layouts?

In standard FR-4 PCBs with 2oz copper and Diodes' recommended pad layout (AP02001), the X2-DFN1010-6 package exhibits θJA = 510°C/W and θJC = 250°C/W. At 24mA output drive and 3.3V supply, junction temperature rise remains below 15°C above ambient-well within the −40°C to +150°C operating range-even in compact handheld enclosures without forced airflow.