MC74LCX157MEL

Signal Switches, Multiplexers, Decoders Overview

The MC74LCX157MEL is a low-voltage quad 2-input multiplexer manufactured by onsemi. It operates within a supply voltage range of 2 V to 3.6 V and features four independent multiplexing circuits. The device utilizes CMOS technology for high-speed performance, with propagation delays specified at 5.8 ns at 3.3 V under a 50 pF load. It is housed in a 16-pin SOIC package and supports surface mount installation. The component includes power-off protection and offers high-impedance output states when enabled.

Signal Switches, Multiplexers, Decoders Feature Summary

• Quad 2-input multiplexing architecture with common select and enable controls
• Low voltage operation compatible with 2 V to 3.6 V supply rails
• Power-off protection prevents leakage current during power-down states

Signal Switches, Multiplexers, Decoders Applications

• Data routing in portable electronic devices
• Signal selection in battery-powered systems
• Address/data bus switching in embedded controllers

Signal Switches, Multiplexers, Decoders Procurement Notes

Verify the specific ordering suffix 'MEL' against official onsemi documentation to confirm package type and tape/reel specifications. Ensure compatibility with required operating temperature ranges and check for RoHS compliance status as defined in the latest datasheet revision before procurement.

Signal Switches, Multiplexers, Decoders Selection Notes

Select this component for applications requiring low voltage operation and moderate speed multiplexing. Compare propagation delay specifications against system timing requirements. Verify that the SOIC-16 package fits the PCB layout constraints and thermal management needs of the target design.

Signal Switches, Multiplexers, Decoders Part Context

This part belongs to the 74LCX logic family, designed for low-voltage CMOS applications. It serves as a digital switch for selecting between two data sources. The LCX series is optimized for performance in portable and battery-operated equipment where power consumption and voltage levels are critical design parameters.

Signal Switches, Multiplexers, Decoders Replacement Considerations

Check for direct pin-compatible substitutes within the same 74LCX family. Verify electrical characteristics such as propagation delay and supply voltage range match the original design requirements before substituting.