Datasheet > MT8979APR1

MT8979APR1

更新时间： 2024-11-18 10:43:51

品牌	Logo	应用领域
加拿大卓联 - ZARLINK		PC
页数	文件大小	规格书
34页	628K
描述
CEPT PCM 30/CRC-4 Frame & Interface

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数据手册

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MT8979APR1 数据手册

ISO-CMOS ST-BUS^TMFamily

CEPT PCM 30/CRC-4 Frame & Interface

MT8979

Data Sheet

February 2005

Features

•

Single chip primary rate 2048 kbit/s CEPT

Ordering Information

transceiver with CRC-4 option

MT8979AE

MT8979AP

MT8979APR

MT8979AE1

MT8979AP1

28 Pin PDIP

44 Pin PLCC

28 Pin PDIP*

44 Pin PLCC*

Tubes

•

Meets CCITT Recommendation G.704

Selectable HDB3 or AMI line code

Tx and Rx frame and multiframe synchronization

signals

Tubes

Tape & Reel

Tubes

MT8979APR1 44 Pin PLCC*

*Pb Free Matte Tin

Tape & Reel

•

Two frame elastic buffer with 32 µsec jitter buffer

Frame alignment and CRC error counters

-40°C to +85°C

Insertion and detection of A, B, C, D signalling

bits with optional debounce

Description

The MT8979 is a single chip CEPT digital trunk

transceiver that meets the requirements of CCITT

•

On-chip attenuation ROM with option for ADI

codecs

Recommendation

equipment.

G.704

for

digital

multiplex

•

Per channel, overall and remote loop around

ST-BUS compatible

The MT8979 is fabricated in Zarlink’s low power ISO-

CMOS technology.

Applications

•

Primary rate ISDN network nodes

Multiplexing equipment

Private network: PBX to PBX links

High speed computer to computer links

V_DD

RxD

TxMF

C2i

F0i

ST-BUS

Timing

2 Frame

Circuitry

Elastic Buffer

with Slip

RxMF

Digital

RxA

Remote

Attenuator

Control

RxB

TxA

TxB

ROM

DSTi

Digital

Loop-

backs

CEPT

Link

PCM/Data

Interface

DSTo

ADI

Interface

CSTi0

CSTi1

CSTo

Serial

Control

Interface

ABCD Bit RAM

Phase

Detector

E2i

E8Ko

CEPT

Counter

XCtl

XSt

Control Logic

V_SS

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...34

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MT8980	MITEL	获取价格	ISO-CMOS ST-BUS⑩ FAMILY Digital Switch
MT8980D	MITEL	获取价格	ISO-CMOS ST-BUS⑩ FAMILY Digital Switch
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MT8980D-1	MITEL	获取价格	ISO-CMOS ST-BUS⑩ FAMILY Digital Switch
MT8980DC	ZARLINK	获取价格	Digital Time Switch, CMOS, CDIP40, CERAMIC, DIP-40
MT8980DE	MITEL	获取价格	ISO-CMOS ST-BUS⑩ FAMILY Digital Switch
MT8980DE	ZARLINK	获取价格	ISO-CMOS ST-BUS Family Digital Switch
MT8980DE1	ZARLINK	获取价格	ISO-CMOS ST-BUS Family Digital Switch
MT8980DL	ZARLINK	获取价格	暂无描述
MT8980DP	ZARLINK	获取价格	ISO-CMOS ST-BUS Family Digital Switch