72V90823PFG8

Signal Switches, Multiplexers, Decoders Overview

The IDT72V90823 is a non-blocking digital bus switch IC operating at 3.3V with a capacity of 2,048 x 2,048 channels at 8.192 Mb/s. It supports ST-BUS/GCI interfaces and handles streams of 2.048, 4.096, or 8.192 Mb/s. Key parameters include per-channel variable throughput delay, automatic frame offset measurement, and high-impedance output control. The device features a Processor Mode Control interface compatible with Intel/Motorola CPUs and includes an IEEE-1149.1 JTAG test port. It operates within a temperature range of -40°C to +85°C.

Signal Switches, Multiplexers, Decoders Feature Summary

• Supports non-blocking switching for ST-BUS/GCI interfaces with programmable stream and channel control
• Features per-stream input delay management for multi-chip voice and data transport applications
• Includes high-impedance output control and Processor Mode interface for CPU compatibility

Signal Switches, Multiplexers, Decoders Applications

• ST-BUS/GCI interface switching systems
• Multi-chip switches transporting voice channels
• Concatenated data channel transport networks

Signal Switches, Multiplexers, Decoders Procurement Notes

Verify the specific package variant (PLCC, BGA, PQFP, or TQFP) required for your design, as the suffix indicates the physical form factor. Confirm that the 3.3V power supply requirement aligns with your system voltage rails. Ensure thermal management meets the -40°C to +85°C operational range specifications for your intended environment.

Signal Switches, Multiplexers, Decoders Selection Notes

Select this component when a non-blocking digital switch with large channel capacity is required for telecommunications infrastructure. It is suitable for designs needing precise per-channel delay control and high-impedance output management. Consider the available package options if board space constraints exist, noting the variety from PLCC to BGA configurations.

Signal Switches, Multiplexers, Decoders Part Context

This part belongs to the IDT72V90823 series of digital bus switches manufactured by Renesas Electronics (formerly IDT). These devices are designed for high-performance switching applications in telecommunications equipment. The series emphasizes flexibility through programmable control interfaces and robust support for standard bus protocols like ST-BUS.

Signal Switches, Multiplexers, Decoders Replacement Considerations

Public confirmed substitute part numbers are not available in the provided documentation.