MT8986
512 x 256 Channels Multiple Rate Digital Switch (MRDX) with constant delay mode
Overview
| The Multiple Rate Digital Switch (MRDX) is an upgraded version of the MT8980D Digital Switch (DX). It is pin compatible with the MT8980D and retains all of its functionality. This device is designed to provide simultaneous connections (non-blocking) for up to 256 64 kps channels or blocking connections for up to 512 64 kbps channels. The serial inputs and outputs connected to MT8986 may have 32 to 128 64 kbps channels per frame with data rates ranging from 2048 up to 8192 kbps. The MT8986 provides per-channel selection between variable and constant throughput delays allowing voice and grouped data channels to be switched without corrupting the data sequence integrity. In addition, the MT8986 can be used for switching of 32 kbps channels in ADPCM applications. The MT8986 is ideal for medium size mixed voice and data switching/processing applications. |
Simplified Block Diagram
Typical Applications
- Medium size digital switch matrices
- Hyperchannel switching (e.g., ISDN H0)
- MVIP™ interface functions
- Serial bus control and monitoring
- Centralized voice processing systems
- Voice/Data multiplexer
- 32 kbps
Features & Benefits
- 256 x 256 or 512 x 256 switching configurations
- 8-bit or 4-bit channel switching capability
- Guarantees frame integrity for wideband channels
- Automatic identification of ST BUS/GCI interfaces
- Accepts serial streams with data rates up to 8.192 Mbps
- Rate conversion from 2.048 Mbps to 4.096 or 8.192 Mbps and vice-versa
- Programmable frame offset on inputs
- Per-channel three-state control
- Per-channel message mode
- Control interface compatible to Intel/Motorola CPUs
- Low power consumption
Resources
Documentation
Application Notes
Product Previews
Product Packaging & Availability
| Part Number | Package Type | Pin Count | Lead-Free Option | Shipping Option(s) | Status |
|---|---|---|---|---|---|
| MT8986AE1 | PDIP | 40 | Pb-free-Matte Tin | Tubes (Anti-static Sticks) | Production |
| MT8986AL1 | MQFP | 44 | Pb-free-Matte Tin | Trays | Production |
| MT8986AP1 | PLCC | 44 | Pb-free-Matte Tin | Tubes. Bake & Drypack | Production |
| MT8986APR1 | PLCC | 44 | Pb-free-Matte Tin | Tape & Reel Mounted | Production |
Packaging Information
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