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MT8980DE1 参数 Datasheet PDF下载

MT8980DE1图片预览
型号: MT8980DE1
PDF下载: 下载PDF文件 查看货源
内容描述: ISO- CMOS ST- BUS系列数字交换机 [ISO-CMOS ST-BUS Family Digital Switch]
分类和应用: 电信集成电路电信转换电路电信电路光电二极管
文件页数/大小: 20 页 / 483 K
品牌: ZARLINK [ ZARLINK SEMICONDUCTOR INC ]
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ISO-CMOS ST-BUS
TM
Family
MT8980D
Digital Switch
Data Sheet
Features
Zarlink ST-BUS compatible
8-line x 32-channel inputs
8-line x 32-channel outputs
256 ports non-blocking switch
Single power supply (+5 V)
Low power consumption: 30 mW Typ.
Microprocessor-control interface
Three-state serial outputs
Ordering Information
MT8980DE
MT8980DP
MT8980DPR
MT8980DP1
MT8980DE1
MT8980DPR1
40 Pin PDIP
44 Pin PLCC
44 Pin PLCC
44 Pin PLCC*
40 Pin PDIP*
44 Pin PLCC*
*Pb Free Matte Tin
February 2005
Tubes
Tubes
Tape & Reel
Tubes
Tubes
Tape & Reel
-40°C to +85°C
Description
This VLSI ISO-CMOS device is designed for switching
PCM-encoded voice or data, under microprocessor
control, in a modern digital exchange, PBX or Central
Office. It provides simultaneous connections for up to
256 64 kbit/s channels. Each of the eight serial inputs
and outputs consist of 32 64 kbit/s channels
multiplexed to form a 2048 kbit/s ST-BUS stream. In
addition, the MT8980 provides microprocessor read
and write access to individual ST-BUS channels.
C4i
F0i
V
DD
V
SS
ODE
STi0
STi1
STi2
STi3
STi4
STi5
STi6
STi7
Serial
to
Parallel
Converter
Data
Memory
Frame
Counter
Output
MUX
Parallel
to
Serial
Converter
STo0
STo1
STo2
STo3
STo4
STo5
STo6
STo7
Control Register
Connection
Memory
Control Interface
DS CS
R/W A5/
A0
DTA D7/
D0
CSTo
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.