72V90823PFG

Signal Switches, Multiplexers, Decoders Overview

The IDT72V90823 is a non-blocking digital bus switch IC operating at 3.3V, designed for Time Slot Interchange (TSI) applications. It supports a switching capacity of 2,048 x 2,048 channels at a serial bit rate of 8.192 Mb/s, or scaled configurations such as 1,024 x 1,024 at 4.096 Mb/s and 512 x 512 at 2.048 Mb/s. The device features programmable stream and channel control, Processor Mode interface compatibility with Intel/Motorola CPUs, per-channel high-impedance output control, and automatic identification of ST-BUS/GCI interfaces. It operates within a temperature range of -40°C to +85°C.

Signal Switches, Multiplexers, Decoders Feature Summary

• Supports non-blocking digital switching with variable or constant throughput delay per channel.
• Includes automatic frame offset delay measurement and per-stream frame delay offset programming.
• Features a Processor Mode Control interface compatible with Intel and Motorola CPUs.
• Provides per-channel high-impedance output control and connection memory block programming.

Signal Switches, Multiplexers, Decoders Applications

• Time Slot Interchange (TSI) systems
• ST-BUS / GCI interface streams
• Multi-chip switches transporting voice and concatenated data channels

Signal Switches, Multiplexers, Decoders Procurement Notes

Verify the specific package variant against project requirements, as the component is available in multiple formats including 84-pin PLCC, 100-pin BGA, 100-pin PQFP, and 100-pin TQFP. Confirm that the selected suffix matches the required pinout and thermal characteristics. Ensure the design accommodates the 3.3V power supply specification and the -40°C to +85°C operating temperature range. Cross-reference the ordering information with official Renesas documentation to confirm current availability status.

Signal Switches, Multiplexers, Decoders Selection Notes

Select this component for applications requiring flexible digital bus switching between TDM streams. The device is suitable for designs needing automatic interface identification and precise delay management across multiple chips. Consider the available package options when determining board space constraints. The inclusion of JTAG test port support facilitates manufacturing testing and debugging processes during development.

Signal Switches, Multiplexers, Decoders Part Context

This component belongs to the IDT72V90823 series of digital bus switches manufactured by IDT, now part of Renesas Electronics. These devices are engineered for telecommunications and industrial networking environments where reliable time-slot interchange is critical. The product line emphasizes low latency and high configurability for complex switching architectures.

Signal Switches, Multiplexers, Decoders Replacement Considerations

Consult official Renesas substitution guides for verified alternative part numbers. Ensure any replacement maintains compatibility with the 3.3V supply and supports the required channel capacity and bit rates.