74FCT257ATQG8

Signal Switches, Multiplexers, Decoders Overview

The 74FCT257ATQG8 is a quad multiplexer/demultiplexer logic IC manufactured by Renesas Electronics. It operates within a supply voltage range of 4.75V to 5.25V and features four independent 2-to-1 multiplexers. The device utilizes a 20-pin QSOP package and supports surface-mount installation. It functions as an encoder, decoder, or demultiplexer with low propagation delay characteristics suitable for high-speed digital applications.

Signal Switches, Multiplexers, Decoders Feature Summary

• Provides four independent 2-input to 1-output multiplexing channels
• Supports hot swap applications through controlled signal routing
• Operates on standard 5V logic supply rails

Signal Switches, Multiplexers, Decoders Applications

• Hot swap circuitry in peripheral connections
• Data bus switching and routing
• Signal path selection in digital systems

Signal Switches, Multiplexers, Decoders Procurement Notes

Verify the specific suffix 'A' against official datasheets to confirm temperature grade and electrical specifications. Confirm package type matches QSOP-20 requirements. Check RoHS compliance status via manufacturer documentation before integration into final designs.

Signal Switches, Multiplexers, Decoders Selection Notes

Select this component when designing circuits requiring multiple independent signal paths with low latency. Ensure the operating environment stays within the specified voltage limits. Verify that the QSOP-20 footprint aligns with PCB layout constraints and thermal management needs.

Signal Switches, Multiplexers, Decoders Part Context

This part belongs to the 74FCT series of fast CMOS logic devices. It serves as a functional equivalent to legacy 74FCT257 components. The device integrates multiple multiplexers into a single compact package for efficient board space utilization.

Signal Switches, Multiplexers, Decoders Replacement Considerations

Cross-reference with IDT74FCT257ATQG8 for pin-compatible alternatives. Verify electrical parameters match original design requirements before substitution.