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MT8986 Datasheet(PDF) 1 Page - Mitel Networks Corporation |
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MT8986 Datasheet(HTML) 1 Page - Mitel Networks Corporation |
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1 / 38 page  2-63 ® 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 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 (non- blocking) 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 channels in ADPCM applications. The MT8986 is ideal for medium size mixed voice and data switching/processing applications. Figure 1 - Functional Block Diagram STi0 STi1 STi2 STi3 STi4 STi5 STi6 STi7 STi8 STi9 * STi10 * STi11 * STi12 * STi13 * STi14 * STi15 STo0 STo1 STo2 STo3 STo4 STo5 STo6 STo7 STo8 * STo9 * CLK FR AS/ ALE IM * DS RD CS R/W WR A0/ A7 DTA AD7/ AD0 CSTo VDD VSS ODE Serial to Parallel Converter Multiple Buffer Data Memory Output MUX Parallel to Serial Converter Timing Unit Internal Registers Microprocessor Interface Connection Memory * 44 Pin only ISSUE 3 May 1995 MT8986 Multiple Rate Digital Switch CMOS ST-BUS ™ FAMILY 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 |
Similar Part No. - MT8986 |
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Similar Description - MT8986 |
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