Datasheet > MT8976

MT8976

更新时间： 2024-02-11 03:21:19

品牌	Logo	应用领域
MITEL		/
页数	文件大小	规格书
26页	340K
描述
ISO-CMOS ST-BUS⑩ FAMILY T1/ESF Framer Circuit

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技术参数
数据手册

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MT8976 技术参数

是否Rohs认证：	不符合	生命周期：	Transferred
包装说明：	QCCN, LCC44,.65SQ	Reach Compliance Code：	unknown
风险等级：	5.92	JESD-30 代码：	S-XQCC-N44
JESD-609代码：	e0	端子数量：	44
最高工作温度：	70 °C	最低工作温度：
封装主体材料：	CERAMIC	封装代码：	QCCN
封装等效代码：	LCC44,.65SQ	封装形状：	SQUARE
封装形式：	CHIP CARRIER	电源：	5 V
认证状态：	Not Qualified	子类别：	Digital Transmission Controllers
最大压摆率：	15 mA	标称供电电压：	5 V
表面贴装：	YES	技术：	CMOS
电信集成电路类型：	FRAMER	温度等级：	COMMERCIAL
端子面层：	Tin/Lead (Sn/Pb)	端子形式：	NO LEAD
端子节距：	1.27 mm	端子位置：	QUAD

MT8976 数据手册

MT8976

ISO-CMOS ST-BUS FAMILY

T1/ESF Framer Circuit

ISSUE 9

May 1995

Features

Ordering Information

•

D3/D4 or ESF framing and SLC-96 compatible

MT8976AC

MT8976AE

MT8976AP

28 Pin Ceramic DIP

28 Pin Plastic DIP

44 Pin PLCC

2 frame elastic buffer with 32 µsec jitter buffer

Insertion and detection of A, B,C,D bits.

Signalling freeze, optional debounce

-40°C to 85°C

•

Selectable B8ZS, jammed bit (ZCS) or no zero

code suppression

•

Yellow alarm and blue alarm signal capabilities

Bipolar violation count, F error count, CRC

Description

error count

•

Selectable robbed bit signalling

Frame and superframe sync. signals, Tx and Rx

AMI encoding and decoding

The MT8976 is Mitel’s second generation T1

interface solution. The MT8976 meets the Extended

Super Frame format (ESF), the current D3/D4 format

and is compatible with SLC-96 systems.

Per channel, overall, and remote loop around

Digital phase detector between T1 line & ST-

BUS

The MT8976 interfaces to DS1 1.544 Mbit/sec digital

trunk.

•

One uncommitted scan point and drive point

Pin compatible with MT8977 and MT8979

ST-BUS compatible

Applications

•

DS1/ESF digital trunk interfaces

Computer to PBX interfaces (DMI and CPI)

High speed computer to computer data links

C1.5i

TxSF

RxFDLClk

RxFDL

ST-BUS

Timing

Circuitry

C2i

2 Frame

Elastic Buffer

with Slip

F0i

RxA

RxSF

Control

Remote &

Digital

Loopbacks

RxB

TxA

DS1

Link

Interface

DSTo

DSTi

Data

Interface

TxB

TxFDLClk

TxFDL

2048-1544

Converter

RxD

CSTi0

CSTi1

CSTo

Serial

Control

Interface

E1.5i

ABCD

Signalling RAM

E8Ko

V_SS

DS1

Counter

Phase

Detector

XCtl

XSt

•

Control Logic

V_DD

Figure 1 - Functional Block Diagram

4-29

12 3 4 5 6 7...26

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与MT8976相关器件

型号	品牌	描述	获取价格	数据表
MT8976AC	MITEL	ISO-CMOS ST-BUS⑩ FAMILY T1/ESF Framer Circuit	获取价格
MT8976AE	MITEL	ISO-CMOS ST-BUS⑩ FAMILY T1/ESF Framer Circuit	获取价格
MT8976AE1	ROCHESTER	DATACOM, FRAMER, PDIP28, LEAD FREE, PLASTIC, MS-011AB, DIP-28	获取价格
MT8976AE1	MICROSEMI	DATACOM, FRAMER, PDIP28, LEAD FREE, PLASTIC, MS-011AB, DIP-28	获取价格
MT8976AP	MITEL	ISO-CMOS ST-BUS⑩ FAMILY T1/ESF Framer Circuit	获取价格
MT8976AP1	MICROSEMI	Framer, PQCC44, LEAD FREE, PLASTIC, MS-018AC, LCC-44	获取价格