Description

The MT90820AL1 is an electronic component model that belongs to the Telecommunication Interface ICs product category. The MT90820 Large Digital Switch is a non-blocking switch capable of handling 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. Its many features are programmable on a per-channel or per-stream basis, including message mode, input offset delay, and high impedance output control.

Specifications and features

• 2,048 x 2,048 channel non-blocking switching at 8.192 Mb/s
• Per-channel variable or constant throughput delay
• Automatic identification of ST-BUS/GCI interfaces
• Accept ST-BUS streams of 2.048 Mb/s, 4.096 Mb/s or 8.192 Mb/s
• Automatic frame offset delay measurement
• Per-stream frame delay offset programming
• Per-channel high impedance output control
• Per-channel message mode
• Control interface compatible to Motorola non-mulitplexed CPUs
• Connection memory block programming
• IEEE-1149.1 (JTAG) Test Port

Application Scenarios

The MT90820AL1 is suitable for various applications such as medium and large switching platforms, CTI applications, voice/data multiplexers, digital cross-connects, ST-BUS/GCI interface functions, and support for IEEE 802.9a standard.

Comparison

• Non-blocking switching capabilities for efficient data transfer
• Programmable features on a per-channel or per-stream basis allow for optimal configuration
• Compatible with various applications

• May not be suitable for small switching platforms due to its capacity