74FST3257DTR2G

Overview

The MC74FST3257DTR2G is a high-performance multiplexer/demultiplexer bus switch manufactured by onsemi. It integrates four independent 2-to-1 signal selectors within a single package, utilizing CMOS technology for low power consumption and high speed. The device operates on a single power supply ranging from 4 V to 5.5 V. It features a 16-pin TSSOP surface-mount package with a width of 4.40 mm. The component supports an operating temperature range from -40°C to +85°C and includes RoHS compliance.

Feature Summary

• Integrates four independent 2:1 multiplexing channels for efficient signal routing
• CMOS construction ensures low static power consumption and TTL compatibility
• Surface-mount TSSOP-16 packaging facilitates automated assembly processes

Applications

• Data acquisition systems requiring multi-channel signal selection
• Portable equipment designs constrained by space and power limits
• Consumer electronics utilizing bus switching architectures

Procurement Notes

Verify the specific ordering suffix against manufacturer documentation to confirm package type and tape-and-reel specifications. Confirm RoHS status and material declarations via official datasheets before integration. Ensure the selected variant matches the required voltage and temperature ratings for the target application environment.

Selection Notes

Select this component when designing circuits that require multiple independent signal paths in a compact form factor. The 4V to 5.5V operating range suits standard logic families. Evaluate the TSSOP-16 footprint against available PCB real estate and thermal management requirements during the schematic capture phase.

Part Context

This part belongs to the 74FST series of high-speed bus switches. The FST designation indicates Fast Switching Technology optimized for performance. The DTR2G suffix identifies the specific TSSOP-16 package configuration and environmental compliance attributes defined by onsemi.

Replacement Considerations

Publicly confirmed substitute part numbers are not available in the provided source data. Verify pinout compatibility and electrical characteristics if considering alternative manufacturers.