29FCT52BSO

Overview

The IDT29FCT52BSO is an octal registered bus transceiver belonging to the FCT logic family, manufactured by Integrated Device Technology. It features bidirectional data transfer capability with registered outputs on both sides of the bus. The device utilizes advanced CMOS technology to provide high-speed performance while maintaining low power consumption levels typical of CMOS circuits. It offers true TTL input and output compatibility, ensuring seamless integration with standard logic interfaces. The component supports independent control for each direction and includes power-off disable functionality to permit live insertion without system disruption.

Feature Summary

• Bidirectional octal registered bus transceiver architecture
• True TTL input and output compatibility
• Power-off disable outputs enabling live insertion
• Independent output enable control for each direction

Applications

• High-speed data bus interfacing in computing systems
• Registered buffer applications requiring bidirectional flow
• System backplanes with live insertion requirements
• Memory interface buffering and registration

Procurement Notes

Verify the specific suffix 'SO' corresponds to the SOIC-24 package configuration when sourcing. Confirm lead time and availability directly with authorized distributors as this legacy part may have limited stock. Ensure the procurement order specifies the required speed grade (B) and temperature range. Check for radiation tolerance or military variants if the application demands MIL-STD-883 compliance, as standard commercial versions differ from these specialized grades.

Selection Notes

Select this component when a bidirectional registered transceiver is required for 8-bit wide buses. The B speed grade offers a balance between switching speed and power dissipation suitable for general-purpose high-speed logic. Consider the power-off disable feature if the design involves hot-swapping or live insertion scenarios. Verify that the voltage levels align with the 3.3V typical output high and 0.3V typical output low specifications provided in the FCT family datasheet.

Part Context

This device is part of the IDT 29FCT series of fast CMOS registered transceivers. It shares functional similarities with other members like the 29FCT53 and 29FCT2052 but differs in specific drive strengths and internal register configurations. The series is designed to replace older ABT functions with improved speed and lower power. It is commonly found in legacy industrial and computing equipment requiring reliable 8-bit data handling.

Replacement Considerations

Cross-reference with Texas Instruments CY29FCT520 series devices for pin-compatible alternatives. Verify electrical parameters such as output drive current and propagation delay against the original specification sheet. Ensure the replacement package matches the SOIC-24 footprint and thermal characteristics.