MT8986

CMOS ST-BUSTM Family MT8986 Multiple Rate Digital Switch Data Sheet 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 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 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 kbit/s channel switching September 2011 Ordering Information MT8986AP1 MT8986APR1 MT8986AL1 MT8986AE1 44 Pin PLCC* 44 Pin PLCC* 44 Pin MQFP* 40 Pin PDIP* Tubes Tape & Reel Trays Tubes *Pb Free Matte Tin -40C to +85C Description The Multiple Rate Digital Switch (MRDX) is an upgraded version of Zarlink'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 (non-blocking) for up to 256 64 kb/s channels or blocking connections for up to 512 64 kb/s channels. The serial inputs and outputs connected to MT8986 may have 32 to 128 64 kb/s channels per frame with data ra...