IDT74FST163384DPF

Overview

The IDT74FST163384DPF is a 20-bit bus switch manufactured by Integrated Device Technology Inc. It belongs to the 74FST logic family, designed for high-speed data routing applications. The component functions as a bidirectional switch, allowing multiple data lines to be connected or disconnected based on control signals. This specific part number denotes the device in a TSSOP package with industrial temperature range capabilities.

Feature Summary

• Provides 20-bit bidirectional data path switching capability
• Utilizes 74FST logic technology for high-speed operation
• Designed for efficient signal routing in complex digital systems

Applications

• High-speed data bus isolation
• Signal multiplexing and demultiplexing
• System board interconnects requiring low insertion loss

Procurement Notes

Verify the manufacturer marking and date code against official IDT documentation to ensure authenticity. Confirm the package type matches the required PCB footprint. Check for any specific handling requirements related to electrostatic discharge during storage and installation.

Selection Notes

Select this component when a 20-bit wide bus switch is required within a system design. Ensure the voltage levels of the controlled signals are compatible with the FST logic family specifications. Consider the thermal performance and pin count relative to the available board space.

Part Context

This device is part of the broader 74FST series from IDT, which focuses on fast-switching transistor-transistor logic. The series offers improved speed over standard TTL while maintaining compatibility. The 163384 variant specifically addresses wide-bus applications common in memory and peripheral interfaces.

Replacement Considerations

Consult official cross-reference lists for direct substitutes. Verify that alternative parts match the 20-bit width and FST electrical characteristics. Ensure pinout compatibility if replacing without redesigning the PCB layout.