74FST3257Q

Overview

The IDT74FST3257Q is a high-speed quad 2:1 multiplexer/demultiplexer belonging to the FST logic family. It operates within a voltage range of 2.3V to 3.6V and features low on-state resistance for minimal signal distortion. The device supports bidirectional data flow controlled by a single select input, providing isolation between ports under power-off conditions. It is housed in a 16-pin QSOP package and offers latch-up performance exceeding 100mA.

Feature Summary

• Quad 2:1 multiplexer/demultiplexer architecture
• Low on-state resistance for high-speed operation
• Bidirectional data flow capability
• Port isolation under power-off conditions

Applications

• High-speed data routing systems
• Portable battery-powered equipment
• Signal switching applications

Procurement Notes

Verify the specific suffix 'Q' indicates the 16-QSOP package configuration. Confirm RoHS compliance status as documentation may vary by production batch. Ensure the operating temperature range meets system requirements. Cross-reference with Renesas Electronics resources following corporate acquisitions to validate current manufacturing support and datasheet revisions.

Selection Notes

Select this component for applications requiring low voltage operation and high bandwidth. Compare propagation delay specifications against system timing constraints. Evaluate package availability against PCB layout restrictions. Consider alternative FST series variants if different channel counts or pinouts are required for the design.

Part Context

This part belongs to the FST logic family designed for high-speed digital applications. It functions as a bus switch enabling efficient data path management. The device integrates CMOS technology to achieve low power consumption while maintaining signal integrity across various logic levels.

Replacement Considerations

IDT74CBTLV3257Q

FAQ

Does the device provide isolation when powered off?

Yes, the switches maintain isolation between ports under power-off conditions.

What is the maximum latch-up current rating?

Latch-up performance exceeds 100mA at VCC = 2.3V to 3.6V.