72V70840DA

Overview

The Renesas 72V70840DA is a digital bus switch IC designed for telecommunications applications. It provides a non-blocking switching capacity of 4K x 4K channels at a serial bit rate of 8.192 Mbps. The device operates on a single 3.3V power supply and features 5V tolerant inputs. It supports automatic identification of ST-BUS/GCI interfaces, per-channel high-impedance output control, and processor mode compatibility with Intel/Motorola CPUs.

Feature Summary

• Supports non-blocking switching capacity of 4K x 4K channels
• Features automatic identification of ST-BUS and GCI interfaces
• Includes per-channel high-impedance output control capabilities

Applications

• Telecommunications systems requiring digital switching
• ST-BUS compatible digital switching networks
• Multi-chip switches transporting voice and data channels

Procurement Notes

Verify current availability status as the component may be subject to limited supply or factory special orders. Confirm package type and RoHS compliance details directly with the manufacturer or authorized distributors before procurement planning.

Selection Notes

Select this component for applications requiring large-scale non-blocking digital switching at standard PCM rates. Ensure system design accommodates the 3.3V operating voltage and utilizes 5V tolerant I/O where necessary. Verify interface compatibility with existing ST-BUS or GCI protocols.

Part Context

This part belongs to the 72V70840 series of digital bus switches from Renesas Electronics. It is functionally related to other members of the family, such as the 72V70800, which offers different switching capacities like 512 x 512 channels. These devices are engineered for high-performance time slot interchange operations in telecom infrastructure.

Replacement Considerations

The IDT72V70840DA is listed as an alias for this part number. Verify pinout and electrical specifications against datasheets when considering substitutes from other manufacturers.