74LCX257M

Signal Switches, Multiplexers, Decoders Overview

The Fairchild Semiconductor 74LCX257M is a low-voltage quad 2-input multiplexer featuring three-state outputs. It operates within a supply voltage range of 2.0V to 3.6V, ensuring compatibility with modern low-power systems. The device provides high-speed data selection with propagation delays of 6.5ns at 2.7V and 6ns at 3.3V. Packaged in a 16-pin SOIC format, it supports surface-mount installation and functions reliably across an industrial temperature range from -40°C to +85°C.

Signal Switches, Multiplexers, Decoders Feature Summary

• Provides four independent 2-to-1 data selection channels for efficient signal routing
• Features three-state outputs to facilitate bus-oriented architectures without external drivers
• Designed for low-voltage operation compatible with 2.5V and 3.3V power domains

Signal Switches, Multiplexers, Decoders Applications

• Data routing in portable electronic devices requiring low power consumption
• Signal selection in communication equipment operating at low voltages
• Bus switching applications in consumer electronics and industrial control systems

Signal Switches, Multiplexers, Decoders Procurement Notes

Verify the specific manufacturer designation as sourcing records indicate onsemi as the primary producer for this part number. Confirm RoHS compliance status directly with the supplier documentation. Ensure the package type matches the required SOIC-16 footprint for PCB integration. Validate that the component meets the specified industrial temperature range requirements for the intended application environment.

Signal Switches, Multiplexers, Decoders Selection Notes

Select this component when designing circuits that require multiple independent data paths with minimal power usage. The low voltage tolerance makes it suitable for interfacing between different logic families operating at reduced supply levels. Consider the propagation delay specifications to ensure timing margins are met in high-speed digital designs. Verify that the three-state output capability aligns with the system's bus management strategy.

Signal Switches, Multiplexers, Decoders Part Context

This component belongs to the 74LCX series, which utilizes advanced CMOS technology to achieve high speed while maintaining low power dissipation. The LCX family is specifically engineered for low-voltage applications, bridging the gap between traditional 5V logic and modern 3.3V or 2.5V systems. It serves as a standard solution for data selection tasks in compact electronic designs.

Signal Switches, Multiplexers, Decoders Replacement Considerations

Public confirmed substitute part numbers are not available in the provided source material.