MT90866
4,096 x 2,432 Channels Flexible Digital Switch with H.110 Interface
Overview
The MT90866 Digital Switch provides switching capacities of 4,096 x 2,432 channels between backplane and local streams, 2,432 x 2,432 channels among local streams and 2,048 x 2,048 channels among backplane streams. The local connected serial inputs and outputs have 32, 64 and 128 64 kbps channels per frame with data rates of 2.048, 4.096 and 8.192 Mbps respectively. The backplane connected serial inputs and outputs have 128 and 256 64 kbps channels per frame with data rates of 8.192 and 16.384 Mbps respectively. The MT90866 also offers a sub-rate switching configuration which allows 2-bit wide 16 kbps or 4-bit wide 32 kbps data channels to be switched within the device. The MT90866 is intended for carrier-grade applications that require high bandwidth switching capability. With compliance to the ECTF H.110 specification, it is also suitable for using a compact PCI platform. The device has features that are programmable on per-stream or per-channel basis including message mode, input delay offset, output advancement offset, direction control and high impedance output control. |
Simplified Block Diagram

Typical Applications
- Multi-service access platforms
- CTI applications/cPCI platform
- Carrier-grade VoIP Gateways
- Integrated access services
- H.110, H.100, ST-BUS and Propriatary Backplane Interface applications
- Remote Access Concentrators
Features & Benefits
- 4,096 x 2,432 blocking switching between backplane and local streams
- 2,432 x 2,432 non-blocking switching among local streams
- 2,048 x 2,048 non-blocking switching among backplane streams
- Rate conversion between backplane and local streams and among local streams
- Backplane interface accepts data rates of 8.192 or 16.384 Mbps
- Local interface accepts data rates of 2.048, 4.096 or 8.192 Mbps
- Fully compliant to H.110 timing specification
Resources
Documentation
Application Notes
- ZLAN-166 BER Testing in TDM Switches.pdf
- MSAN-191 - Designing a HotSwap Board with Zarlink Components.pdf
- MSAN-196 - H.110 Timing Signal Requirements.pdf
Product Previews
Downloads, Firmware and Drivers
- BSDL Files:
- mt90866.bsd
- IBIS Models:
- mt90866ag.ibs
Product Packaging & Availability
Part Number | Package Type | Pin Count | Lead-Free Option | Shipping Option(s) | Status |
---|---|---|---|---|---|
MT90866AG | PBGA | 344 | Trays. Bake & Drypack | Package discontinue. Moved to Pb-free | |
MT90866AG2 | PBGA | 344 | Pb-free-Tin/Silver/Copper | Trays | Production |
Packaging Information
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