MT90826
4096 x 4096 Channel Multiple Rate (2, 4, 8, 16 Mbps) 3.3 V Non-blocking Quad Digital Switch (QDX) with rate conversion
Overview
| The MT90826 Quad Digital Switch has a non-blocking switch capacity of 4,096 x 4,096 channels at a serial bit rate of 8.192 or 16.384 Mbps, 2,048 x 2,048 channels at 4.096 Mbps and 1024 x 1024 channels at 2.048 Mbps. The device has many features that are programmable on a per stream or per channel basis, including message mode, input offset delay and high impedance output control. |
Detailed Block Diagram
Typical Applications
- Medium switching platforms
- CTI application
- Voice/data multiplexer
- Digital cross connects
- WAN access system
- Wireless base stations
Features & Benefits
- 4,096 x 4,096 channel non-blocking switching at 8.192 or 16.384 Mbps
- Per-channel variable or constant throughput delay
- Accepts 32 ST-BUS streams of 2.048, 4.096, 8.192 or 16.384 Mbps
- Split Rate mode allows mix of two bit rates and rate conversions
- Automatic frame offset delay measurement for ST-BUS input streams
- Per-stream input delay programming
- Per-stream output advancement programming
- Per-channel high impedance output control
- Bit Error Monitoring on selected ST-BUS input and output channels
- Per-channel message mode
- Connection memory block programming
- IEEE-1149.1 (JTAG) Test Port at 3.3 V local I/O with 5 V tolerant inputs and TTL compatible outputs
Resources
Documentation
Application Notes
- ZLAN-166 BER Testing in TDM Switches.pdf
- MSAN-175 - Performing Subrate Switching Through Oversampling.pdf
Product Previews
Downloads, Firmware and Drivers
- BSDL Files:
- mt90826av.bsd
- mt90826al.bsd
- mt90826ag.bsd
- IBIS Models:
- mt90826av.ibs
- mt90826al.ibs
Product Packaging & Availability
| Part Number | Package Type | Pin Count | Lead-Free Option | Shipping Option(s) | Status |
|---|---|---|---|---|---|
| MT90826AG | PBGA | 160 | Trays | Package discontinue. Moved to Pb-free. | |
| MT90826AG2 | PBGA | 160 | Pb-free-Tin/Silver/Copper | Trays | Package EOL. See PDN160525 |
| MT90826AL1 | MQFP | 160 | Pb-free-Matte Tin | Trays. Bake & Drypack | Production |
| MT90826AV | LBGA | 144 | Trays | Package discontinue. Moved to Pb-free. | |
| MT90826AV2 | LBGA | 144 | Pb-free-Matte Tin | Trays | Package EOL. See PDN160525 |
Packaging Information
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