74LCX257MX

Signal Switches, Multiplexers, Decoders Overview

The onsemi 74LCX257MX is a low-voltage CMOS quad 2-input multiplexer. It operates within a supply voltage range of 2.0 V to 3.6 V. The device features four independent data selectors, each providing two inputs and one output. Propagation delay is specified at 6.5 ns at 2.7 V and 6 ns at 3.3 V. It utilizes an SOIC-16 surface-mount package. The component supports an operating temperature range from -40°C to +85°C.

Signal Switches, Multiplexers, Decoders Feature Summary

• Low-voltage CMOS technology for high-speed operation with reduced power consumption
• Quad configuration providing four independent 2-to-1 data selectors
• Compatible with 5 V signal environments via tolerant inputs
• Power-down protection circuits on inputs and outputs

Signal Switches, Multiplexers, Decoders Applications

• Data routing in portable battery-powered systems
• Signal selection in low-voltage logic interfaces
• Bus switching applications requiring high speed and low power

Signal Switches, Multiplexers, Decoders Procurement Notes

Verify the specific suffix 'M' against the manufacturer datasheet to confirm package type and tape/reel specifications. Confirm RoHS compliance status as required by project standards. Check for End-of-Life notices or obsolescence warnings directly from onsemi documentation before finalizing procurement plans.

Signal Switches, Multiplexers, Decoders Selection Notes

Select this component for designs requiring 3.3 V logic levels with high-speed switching capabilities. Ensure the system voltage remains within the 2.0 V to 3.6 V operational range. Verify that the SOIC-16 footprint matches the PCB layout requirements and that thermal management meets the specified operating temperature limits.

Signal Switches, Multiplexers, Decoders Part Context

This part belongs to the 74LCX family of low-voltage CMOS logic devices. It serves as a direct replacement for older 5 V logic families in modern low-power applications. The LCX series is designed to offer performance comparable to AC/ACT families while consuming significantly less power.

Signal Switches, Multiplexers, Decoders Replacement Considerations

Check for cross-reference parts such as MC74LCX257DR2G from onsemi or equivalent offerings from other manufacturers like Nexperia or Texas Instruments. Ensure pin compatibility and electrical characteristics match the original design requirements.