MT8985

更新时间： 2024-11-20 22:51:03

品牌	Logo	应用领域
加拿大卓联 - ZARLINK		开关
页数	文件大小	规格书
26页	570K
描述
Enhanced Digital Switch

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中文翻译

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数据手册

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MT8985 数据手册

CMOS ST-BUS^TMFamily

MT8985

Enhanced Digital Switch

Data Sheet

September 2005

Features

•

256 x 256 channel non-blocking switch

Ordering Information

Programmable frame integrity for wideband

channels

MT8985AE

MT8985AP

MT8985AL

40 Pin PDIP

44 Pin PLCC

Tubes

44 Pin MQFP Trays

•

Automatic identification of ST-BUS/GCI interface

backplanes

MT8985APR 44 Pin PLCC

Tape & Reel

MT8985AP1 44 Pin PLCC* Tubes

MT8985APR1 44 Pin PLCC* Tape & Reel

•

Per channel tristate control

Patented message mode

MT8985AE1 40 Pin PDIP*

Tubes

MT8985AL1 44 Pin MQFP* Trays

*Pb Free Matte Tin

Non-multiplexed microprocessor interface

Single +5 volt supply

-40°C to +85°C

Available in DIP-40, PLCC-44 and QFP-44

packages

Switch (DX). It is pin compatible with the MT8980D and

retains all of the MT8980D's functionality. This VLSI

device is designed for switching PCM-encoded voice

or data, under microprocessor control, in digital

•

Pin compatible with MT8980 device

Applications

exchanges,

PBXs

and

any

ST-BUS/MVIP

environment. It provides simultaneous connections for

up to 256 64 kb/s channels. Each of the eight serial

inputs and outputs consist of 32 64 kbit/s channels

multiplexed to form a 2048 kbit/s stream. As the main

function in switching applications, the device provides

per-channel selection between variable or constant

throughput delays. The constant throughput delay

feature allows grouped channels such as ISDN H0 to

be switched through the device maintaining its

sequence integrity. The MT8985 is ideal for medium

sized mixed voice/data switch and voice processing

applications.

•

Medium size digital switch matrices

Hyperchannel switching (e.g., ISDN H0)

ST-BUS/MVIP^™interface functions

Serial bus control and monitoring

Centralized voice processing systems

Data multiplexer

Description

The MT8985 Enhanced Digital Switch device is an

upgraded version of the popular MT8980D Digital

V_DDV_SS

ODE

F0i

C4i

Frame

Counter

Output

MUX

STo0

STo1

STo2

STo3

STo4

STo5

STo6

STo7

STi0

STi1

STi2

STi3

STi4

STi5

STi6

STi7

Parallel

Serial

Data

Memory

Serial

Parallel

Converter

Control Register

Converter

Connection

Memory

Control Interface

DS CS R/W A5/ DTA D7/

CSTo

Figure 1 - Functional Block Diagram

Zarlink Semiconductor Inc.

Zarlink, ZL and the Zarlink Semiconductor logo are trademarks of Zarlink Semiconductor Inc.

12 3 4 5 6 7...26

中文翻译

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与MT8985相关器件

型号	品牌	获取价格	描述	数据表
MT8985AE	MITEL	获取价格	CMOS ST-BUS⑩ FAMILY Enhanced Digital Switch
MT8985AE	ZARLINK	获取价格	Enhanced Digital Switch
MT8985AE1	ZARLINK	获取价格	Enhanced Digital Switch
MT8985AL	MITEL	获取价格	CMOS ST-BUS⑩ FAMILY Enhanced Digital Switch
MT8985AL	ZARLINK	获取价格	Enhanced Digital Switch
MT8985AL1	ZARLINK	获取价格	Enhanced Digital Switch
MT8985AP	MITEL	获取价格	CMOS ST-BUS⑩ FAMILY Enhanced Digital Switch
MT8985AP	ZARLINK	获取价格	Enhanced Digital Switch
MT8985AP1	ZARLINK	获取价格	Enhanced Digital Switch
MT8985APR	ZARLINK	获取价格	Enhanced Digital Switch

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