Diodes Incorporated 74LVC3G07V8-7

Overview

74LVC3G07V8-7 from Diodes Incorporated is a triple non-inverting buffer with open-drain outputs in VSSOP-8 package, operating from 1.65V to 5.5V supply, supporting 5.5V-tolerant inputs and IOFF partial power-down protection. It delivers −24mA sink current at 3.3V and enables voltage-level shifting in mixed-voltage systems such as USB peripheral interfaces and I²C bus extensions.

For engineers reviewing the 74LVC3G07V8-7 datasheet, 74LVC3G07V8-7 pinout, 74LVC3G07V8-7 application, or 74LVC3G07V8-7 equivalent, this device is selected for open-drain logic buffering where level translation, power-down isolation, and low-power CMOS compatibility are required - especially in space-constrained portable electronics and embedded control signal routing.

Technical Context

The 74LVC3G07V8-7 implements three independent positive-logic buffers (A → Y), each with an open-drain output requiring external pull-up for HIGH assertion. Its IOFF circuit actively disables outputs during power-down to prevent backflow current, meeting JESD78 Class I latch-up immunity (>100mA) and JESD22 ESD ratings (2kV HBM, 1kV CDM).

It operates across industrial temperature (−40°C to +125°C) with propagation delays as low as 1ns (typ.) at 5V and 3.7ns (max) at 3.3V, while maintaining input capacitance ≤3.5pF and supply current ≤10μA - enabling high-speed, low-noise signal conditioning in battery-powered and thermally sensitive designs.

Key Specifications

Pinout & Package

VSSOP-8 (Very Small Outline Package, 8-pin, 0.5mm pitch) with 2.0mm × 3.4mm body size and 0.35mm nominal lead length - optimized for high-density PCB layouts in portable and wearable devices.

Key Features

Applications

Equivalent & Alternatives

The following parts are listed as comparable options for similar open-drain buffer applications.

Compared with SN74LVC3G07DBVR and 74AUP3G07GW,125, the 74LVC3G07V8-7 uniquely balances 5.5V input tolerance, VSSOP-8 miniaturization, and industrial temperature range - making it optimal for compact, mixed-voltage embedded signal routing where reliability and footprint are co-constrained.

Availability

74LVC3G07V8-7 is available at Aetrix Electronics and suitable for USB interface design, I²C bus extension, power-down signal isolation, and LED driver interface applications requiring stable component supply and long-term production continuity.

Supply support for 74LVC3G07V8-7 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 industrial, computing, and consumer markets.

The 74LVC3G07V8-7 belongs to Diodes' LVC logic family - engineered for low-voltage, mixed-signal interoperability with emphasis on voltage translation, power-state robustness, and space-constrained PCB integration.

FAQ

Is an external pull-up resistor required for each output?

Yes - all three outputs (1Y, 2Y, 3Y) are open-drain and cannot source current. A pull-up resistor to the target logic rail (e.g., 3.3V or 5V) is mandatory to establish a valid HIGH logic level. Typical values range from 1kΩ to 10kΩ depending on speed and load capacitance requirements.

Can the 74LVC3G07V8-7 be used with a 1.8V supply and 3.3V inputs?

Yes - the device supports VCC as low as 1.65V and accepts input voltages up to 5.5V regardless of supply level. This allows safe interfacing of a 1.8V-powered buffer with 3.3V or 5V upstream signals without damage or level-shifting circuitry.

What happens to outputs during power-down (VCC = 0V)?

When VCC is removed, the IOFF circuit activates and forces all outputs into high-impedance state, limiting leakage current to ±10μA maximum. This prevents reverse current flow from live downstream circuits into the unpowered device - essential for hot-swap and partial-power-down architectures.

Does the 74LVC3G07V8-7 support I²C bus speeds up to 400kHz?

Yes - with typical propagation delay of 1ns and max 4.2ns at 3.3V, plus input capacitance ≤3.5pF, the device meets timing budgets for I²C Fast Mode (400kHz). Its open-drain outputs align with I²C electrical requirements, and IOFF prevents bus contention during power transitions.