MT8980DL

更新时间： 2024-02-15 19:28:28

品牌	Logo	应用领域
加拿大卓联 - ZARLINK		/
页数	文件大小	规格书
20页	483K
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数据手册

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MT8980DL 数据手册

ISO-CMOS ST-BUS^TMFamily

MT8980D

Digital Switch

Data Sheet

February 2005

Features

•

Zarlink ST-BUS compatible

8-line x 32-channel inputs

Ordering Information

MT8980DE

MT8980DP

40 Pin PDIP

44 Pin PLCC

44 Pin PLCC*

40 Pin PDIP*

44 Pin PLCC*

Tubes

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

MT8980DPR

MT8980DP1

MT8980DE1

MT8980DPR1

Tape & Reel

Tubes

Tape & Reel

*Pb Free Matte Tin

-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.

V_DDV_SS

ODE

F0i

C4i

Frame

Counter

Output

MUX

STo0

STo1

STo2

STo3

STo4

STo5

STo6

STo7

STi0

STi1

Parallel

Serial

Parallel

Converter

Data

Memory

STi2

STi3

STi4

STi5

STi6

STi7

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...20

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