Multiple Rate Digital Switch
®
CMOS ST-BUS™ FAMILY MT8986 Multiple Rate Digital Switch
Features
256 x 256 or 512 x 256 switching configurations 8-b...
Description
®
CMOS ST-BUS™ FAMILY MT8986 Multiple Rate Digital Switch
Features
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 www.DataSheet4U.com interfaces Accepts serial streams with data rates up to 8.192 Mb/s Rate conversion from 2.048 Mb/s to 4.096 or 8.192 Mb/s 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
ISSUE 3
May 1995
Ordering Information MT8986AC 40 Pin Ceramic DIP MT8986AE 40 Pin Plastic DIP MT8986AP 44 Pin PLCC MT8986AL 44 Pin QFP -40°C to +85°C
Description
The Multiple Rate Digital Switch (MRDX) is an upgraded version of MITEL's 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 (nonblocking) for up to 256 64kb/s channels or blocking connections for up to 512 64kb/s channels. The serial inputs and outputs connected to MT8986 may have 32 to 128 64kb/s channels per frame with data rates ranging from 2048 up to 8192 kb/s. 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 kb/s ...
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