74FST3257DR2G

Overview

The onsemi 74FST3257DR2G is a quad 2-to-1 multiplexer/demultiplexer integrated circuit manufactured in a 16-SOIC surface-mount package. It operates within a single power supply voltage range of 4V to 5.5V and supports an operating temperature range from -40°C to +85°C. The device features four independent circuits configured as 4 x 2:1 MUX/DEMUX units. It is RoHS compliant, classified under EAR99, and has a Moisture Sensitivity Level (MSL) of 1.

Feature Summary

• Provides four independent 2-to-1 multiplexing or demultiplexing channels
• Operates on a single power supply ranging from 4V to 5.5V
• Designed for surface mount installation in a 16-pin SOIC package

Applications

• Data routing in digital logic systems
• Signal selection in communication interfaces
• Multiplexing control lines in embedded hardware

Procurement Notes

Verify component authenticity through authorized distributors. Confirm the specific suffix DR2G matches the required tape-and-reel packaging format. Check current lifecycle status as this part may be subject to discontinuation notices. Ensure environmental compliance documentation aligns with project requirements.

Selection Notes

Select this component when a quad 2:1 multiplexer is required for 5V logic applications. Consider the 16-SOIC footprint for PCB layout constraints. Evaluate thermal performance within the specified -40°C to +85°C range. Compare against alternative FST series devices if pin compatibility or speed characteristics differ.

Part Context

This device belongs to the 74FST logic family, characterized by high-speed CMOS technology. It serves as a signal switching solution for digital systems requiring multiple independent data paths. The 16-SOIC package facilitates automated assembly processes in consumer and industrial electronics manufacturing.

Replacement Considerations

Direct substitutes include Nexperia CBT3257AD and Texas Instruments SN74CBT3257 variants. Verify pinout compatibility and electrical specifications before substitution.