728980J

Overview

The Renesas 728980J is a digital bus switch IC belonging to the 72898 series. It functions as a 256 x 256 channel non-blocking time slot interchange digital switch. The device supports serial telecom bus compatibility and includes eight RX inputs, providing 32 channels at 64 Kbit/s per serial line.

Feature Summary

• Provides 256 by 256 channel non-blocking switching capability for digital signal routing.
• Features integrated time slot interchange functionality for telecommunications applications.
• Supports serial telecom bus compatibility standards.

Applications

• Telecommunications switching systems
• Digital signal routing infrastructure
• Time slot interchange modules

Procurement Notes

Verify RoHS compliance status carefully, as documentation indicates potential discrepancies between active part numbers and environmental certifications. Confirm package specifications against the specific suffix requirements. Ensure the component meets current regulatory standards for your target market before finalizing procurement orders.

Selection Notes

Select this component when a high-density 256 by 256 non-blocking switch architecture is required. It is suitable for designs needing serial telecom bus integration. Evaluate the eight RX input configuration against system bandwidth needs. Consider the PLCC package constraints during PCB layout planning.

Part Context

This part belongs to the Renesas 72898 series of digital bus switches. It shares functional similarities with other members like the 728985JG but differs in product status and compliance. The series targets telecommunications equipment requiring robust digital switching matrices.

Replacement Considerations

The 728985JG is an equivalent part number within the same family. Primary differences include product status and RoHS compliance levels. Verify electrical compatibility and pinout alignment before substitution.