72V70800TFG8

Signal Switches, Multiplexers, Decoders Overview

The Renesas Electronics Corporation 72V70800TFG8 is a non-blocking digital Time Slot Interchanger (TSI) designed for high-capacity telecommunications switching. It provides a switching capacity of 512 x 512 channels at a serial bit rate of 8.192 Mbps. The device operates on a single 3 V to 3.6 V power supply and supports 3.3 V I/O with 5 V tolerant inputs. It accepts four independent serial data streams and features programmable per-channel and per-stream control, including variable or constant throughput delay, automatic frame offset measurement, and high-impedance output control. The component is housed in a 64-pin Thin Plastic Quad Flatpack (TQFP) package.

Signal Switches, Multiplexers, Decoders Feature Summary

• Supports 512 x 512 channel non-blocking switching architecture for efficient time slot interchange operations.
• Features automatic identification capabilities for ST-BUS and GCI interfaces to simplify system integration.
• Includes per-stream input delay control and individual calibration for managing multi-chip switch configurations.
• Offers processor mode control interface compatible with Intel and Motorola CPUs for flexible microprocessor management.

Signal Switches, Multiplexers, Decoders Applications

• Digital exchange systems requiring high-density time slot interchange functionality.
• Telecommunications infrastructure utilizing ST-BUS or GCI interface standards.
• Multi-chip switching networks transporting concatenated voice and data channels.
• System designs requiring programmable frame offset delay and high-impedance output control.

Signal Switches, Multiplexers, Decoders Procurement Notes

Verify the specific suffix 'G8' against official Renesas documentation to confirm packaging type and compliance status. Confirm current production status as some variants in this series may be subject to limited availability or end-of-life notices. Ensure compatibility with existing board layouts for the 64-pin TQFP footprint and validate voltage levels for 5 V tolerant inputs before integration.

Signal Switches, Multiplexers, Decoders Selection Notes

Select this component when a fixed 512 x 512 switching matrix is required for digital telephony applications. It is suitable for designs needing precise per-channel delay programming and automatic interface detection. Consider alternative models within the 72V series if different switching capacities or pin counts are necessary. Verify that the operating temperature range of -40 °C to +85 °C meets the environmental requirements of the target application.

Signal Switches, Multiplexers, Decoders Part Context

The 72V70800 belongs to the Renesas 72V series of digital bus switches and time slot interchangers. This family is engineered for telecommunications equipment, providing scalable solutions for voice and data channel routing. The device integrates advanced control features to manage complex switching tasks without external logic, reducing system complexity and component count in digital exchange architectures.

Signal Switches, Multiplexers, Decoders Replacement Considerations

Publicly confirmed substitute part numbers for the 72V70800TFG8 are not available in the provided reference material. Consult official Renesas documentation for potential cross-references or updated product line replacements.