74LVQ125SCX

Overview

The onsemi 74LVQ125SCX is a low voltage quad buffer with 3-state outputs, manufactured by Fairchild Semiconductor. It operates within a supply voltage range of 2.0V to 3.6V and supports an operating temperature from -40°C to +85°C. The device features four independent non-inverting buffers in a 14-lead SOIC package. Key electrical characteristics include a maximum quiescent supply current of 40.0 µA at 3.6V, output drive capabilities of ±12 mA, and propagation delays ranging from 1.0 ns to 14.0 ns depending on voltage and load conditions.

Feature Summary

• Designed for low power and low noise applications in 3.3V systems
• Guarantees simultaneous switching noise levels and dynamic threshold performance
• Ensures pin-to-pin skew AC performance for signal integrity
• Supports incident wave switching into transmission lines with impedances as low as 75 Ω

Applications

• Low power/low noise 3.3V applications
• Systems requiring guaranteed simultaneous switching noise control
• Applications demanding precise pin-to-pin skew AC performance
• Transmission line driving with impedances as low as 75 Ω

Procurement Notes

Verify the specific ordering code suffix 'X' corresponds to the Tape and Reel packaging format, as indicated in the datasheet. Confirm that the component meets RoHS compliance requirements if applicable to your manufacturing standards. Ensure that unused inputs are properly terminated to HIGH or LOW states during operation to prevent floating input issues, as specified in the recommended operating conditions.

Selection Notes

Select this component when low voltage operation between 2.0V and 3.6V is required. Consider its 3-state output capability for bus-oriented applications. Evaluate the propagation delay specifications against your system timing requirements, noting variations based on supply voltage and load capacitance. Ensure the 14-lead SOIC package fits your PCB layout constraints and thermal management needs.

Part Context

This component belongs to the LVQ series of logic integrated circuits, specifically designed for low voltage digital applications. It functions as a quad buffer, providing signal buffering and isolation within digital circuits. The device is part of a broader family of logic ICs offering various buffering and driving solutions for modern electronic systems requiring reliable signal transmission at reduced voltage levels.

Replacement Considerations

Check for equivalent parts from other manufacturers offering similar low voltage quad buffer specifications. Verify pin compatibility and electrical characteristics such as propagation delay and output drive current. Ensure any replacement maintains the 3-state output functionality and operates within the same voltage and temperature ranges.