IDT72V90823JG

Overview

The IDT72V90823JG is a 3.3V time slot interchange digital switch providing non-blocking switching capabilities. It supports a capacity of 2,048 x 2,048 channels at a serial bit rate of 8.192 Mb/s, 1,024 x 1,024 channels at 4.096 Mb/s, and 512 x 512 channels at 2.048 Mb/s. The device features programmable stream and channel control, processor mode interface compatible with Intel/Motorola CPUs, input offset delay measurement, and per-channel high-impedance output control. It includes an IEEE-1149.1 (JTAG) test port and operates within a temperature range of -40°C to +85°C.

Feature Summary

• Supports non-blocking digital switching for ST-BUS/GCI interfaces
• Provides automatic identification of ST-BUS or GCI interfaces
• Offers per-stream frame delay offset programming and calibration
• Includes JTAG test port for boundary scan function

Applications

• Telecommunications systems requiring time slot interchange
• Digital switching networks handling voice and data channels
• Multi-chip switch configurations transporting concatenated data

Procurement Notes

Verify the specific suffix 'JG' against official Renesas documentation to confirm package type and pinout compatibility. Ensure the component meets the required operating temperature range and voltage specifications for the target application environment before procurement.

Selection Notes

Select this component for applications requiring high-density non-blocking switching at standard TDM rates. Consider the available package options such as PLCC, BGA, PQFP, and TQFP based on board space constraints. Verify interface compatibility with existing processor architectures supporting Intel/Motorola CPU modes.

Part Context

The IDT72V90823 belongs to the family of time slot interchange digital switches designed for telecommunications infrastructure. It enables flexible data routing and buffering in complex switching environments, facilitating efficient management of multi-channel data streams in network equipment.

Replacement Considerations

Consult official Renesas documentation for confirmed substitute part numbers. Verify functional equivalence regarding switching capacity, bit rates, and interface compatibility before considering alternatives.