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MT8985AL1

更新时间： 2024-11-17 22:17:47
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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MT8985AL1 技术参数

是否Rohs认证： 符合生命周期：Transferred
包装说明：QFP,Reach Compliance Code：compliant
HTS代码：8542.39.00.01风险等级：5.83
JESD-30 代码：S-PQFP-G44JESD-609代码：e3
长度：10 mm湿度敏感等级：3
功能数量：1端子数量：44
最高工作温度：85 °C最低工作温度：-40 °C
封装主体材料：PLASTIC/EPOXY封装代码：QFP
封装形状：SQUARE封装形式：FLATPACK
峰值回流温度（摄氏度）：260认证状态：Not Qualified
座面最大高度：2.45 mm标称供电电压：5 V
表面贴装：YES电信集成电路类型：DIGITAL TIME SWITCH
温度等级：INDUSTRIAL端子面层：Matte Tin (Sn)
端子形式：GULL WING端子节距：0.8 mm
端子位置：QUAD处于峰值回流温度下的最长时间：30
宽度：10 mm

MT8985AL1 数据手册

 浏览型号MT8985AL1的Datasheet PDF文件第2页浏览型号MT8985AL1的Datasheet PDF文件第3页浏览型号MT8985AL1的Datasheet PDF文件第4页浏览型号MT8985AL1的Datasheet PDF文件第5页浏览型号MT8985AL1的Datasheet PDF文件第6页浏览型号MT8985AL1的Datasheet PDF文件第7页 
CMOS ST-BUSTM Family  
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  
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  
VDD VSS  
ODE  
F0i  
C4i  
Frame  
Counter  
Output  
MUX  
STo0  
STo1  
STo2  
STo3  
STo4  
STo5  
STo6  
STo7  
STi0  
STi1  
STi2  
STi3  
STi4  
STi5  
STi6  
STi7  
Parallel  
to  
Serial  
to  
Data  
Memory  
Serial  
Parallel  
Converter  
Control Register  
Converter  
Connection  
Memory  
Control Interface  
DS CS R/W A5/ DTA D7/  
CSTo  
A0  
D0  
Figure 1 - Functional Block Diagram  
1
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.  
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