Datasheet > MT8980DP

MT8980DP

更新时间： 2024-11-19 22:51:03

品牌	Logo	应用领域
MITEL		电信集成电路 PC
页数	文件大小	规格书
18页	124K
描述
ISO-CMOS ST-BUS⑩ FAMILY Digital Switch

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数据手册

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MT8980DP 数据手册

ISO-CMOS ST-BUS FAMILY MT8980D

Digital Switch

ISSUE8

March 1997

Features

Ordering Information

•

Mitel ST-BUS compatible

MT8980DE

MT8980DP

40 Pin Plastic DIP

44 Pin PLCC

8-line x 32-channel inputs

-40°C to +85°C

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

Description

This VLSI ISO-CMOS device is designed for

switching PCM-encoded voice or

microprocessor control, in

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.

data, under

modern digital

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

Control Interface

Converter

Connection

Memory

DS CS R/W A5/ DTA D7/

A0 D0

CSTo

Figure 1 - Functional Block Diagram

2-3

12 3 4 5 6 7...18

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MT8981D-1	MITEL	获取价格	ISO-CMOS ST-BUS⑩ FAMILY Digital Switch
MT8981DC	MITEL	获取价格	ISO-CMOS ST-BUS⑩ FAMILY Digital Switch
MT8981DE	MITEL	获取价格	ISO-CMOS ST-BUS⑩ FAMILY Digital Switch
MT8981DE	ZARLINK	获取价格	Digital Switch