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參數(shù)資料
| 型號： | MT8985AP |
| 廠商： | Mitel Networks Corporation |
| 英文描述： | CMOS ST-BUS⑩ FAMILY Enhanced Digital Switch |
| 中文描述： | 意法半導(dǎo)體的CMOS總線⑩家庭增強型數(shù)字交換機 |
| 文件頁數(shù)： | 1/26頁 |
| 文件大?。?/td> | 568K |
| 代理商： | MT8985AP |
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Zarlink Semiconductor Inc.
Zarlink, ZL and the Zarlink Semiconductor logo are trademarks of Zarlink Semiconductor Inc.
Copyright 1997-2005, Zarlink Semiconductor Inc. All Rights Reserved.
Features
256 x 256 channel non-blocking switch
Programmable frame integrity for wideband
channels
Automatic identification of ST-BUS/GCI interface
backplanes
Per channel tristate control
Patented message mode
Non-multiplexed microprocessor interface
Single +5 volt supply
Available in DIP-40, PLCC-44 and QFP-44
packages
Pin compatible with MT8980 device
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
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
exchanges,
PBXs
and
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.
any
ST-BUS/MVIP
September 2005
Ordering Information
MT8985AE
40 Pin PDIP
MT8985AP
44 Pin PLCC
MT8985AL
44 Pin MQFP
MT8985APR
44 Pin PLCC
MT8985AP1
44 Pin PLCC*
MT8985APR1 44 Pin PLCC*
MT8985AE1
40 Pin PDIP*
MT8985AL1
44 Pin MQFP*
*Pb Free Matte Tin
-40
°
C to +85
°
C
Tubes
Tubes
Trays
Tape & Reel
Tubes
Tape & Reel
Tubes
Trays
CMOS ST-BUS
TM
Family
Enhanced Digital Switch
MT8985
Data Sheet
Figure 1 - Functional Block Diagram
STo0
STo1
STo2
STo3
STo4
STo5
STo6
STo7
Serial
to
Parallel
Converter
Data
Memory
Frame
Counter
Control Register
Control Interface
Output
MUX
Connection
Memory
Parallel
to
Serial
Converter
CS
R/W A5/
A0
DTA D7/
D0
CSTo
C4i
F0i
V
DD
V
SS
ODE
STi0
STi1
STi2
STi3
STi4
STi5
STi6
STi7
DS
相關(guān)PDF資料 |
PDF描述 |
|---|---|
| MT8985 | Enhanced Digital Switch |
| MT8986 | Multiple Rate Digital Switch |
| MT8986AE | CMOS ST-BUS Family Multiple Rate Digital Switch |
| MT8986APR1 | CMOS ST-BUS Family Multiple Rate Digital Switch |
| MT8986APR | CMOS ST-BUS Family Multiple Rate Digital Switch |
相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| MT8985AP1 | 制造商:Microsemi Corporation 功能描述:SWIT FABRIC 256 X 256 16.384MBPS 5V 44PLCC /BAKE/DRYPACK - Rail/Tube 制造商:Microsemi Corporation 功能描述:ENHANCED DIGITAL SWITCH 制造商:Zarlink Semiconductor Inc 功能描述:ENHANCED DIGITAL SWITCH |
| MT8985APR | 制造商:Microsemi Corporation 功能描述: |
| MT8985APR1 | 制造商:Microsemi Corporation 功能描述:SWIT FABRIC 256 X 256 16.384MBPS 5V 44PLCC - Tape and Reel 制造商:MICROSEMI CONSUMER MEDICAL PRODUCT GROUP 功能描述:IC TDM/TSI SWITCH 256X256 44PLCC 制造商:Microsemi Corporation 功能描述:IC TDM/TSI SWITCH 256X256 44PLCC |
| MT8986 | 制造商:ZARLINK 制造商全稱:Zarlink Semiconductor Inc 功能描述:Multiple Rate Digital Switch |
| MT8986AC | 制造商:MITEL 制造商全稱:Mitel Networks Corporation 功能描述:CMOS ST-BUS⑩ FAMILY Multiple Rate Digital Switch |
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