Datasheet > PT7A4402LJE

PT7A4402LJE

更新时间： 2024-11-19 20:09:23

品牌	Logo	应用领域
百利通 - PERICOM		电信电信集成电路
页数	文件大小	规格书
34页	311K
描述
Telecom Circuit, 1-Func, PQCC28, LEAD FREE, PLASTIC, LCC-28

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中文翻译

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技术参数
数据手册

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PT7A4402LJE 技术参数

生命周期：	Transferred	包装说明：	,
Reach Compliance Code：	unknown	风险等级：	5.84

PT7A4402LJE 数据手册

Data Sheet

PT7A4402B/4402L

T1/E1 System Synchronizer

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Features

Description

• Supports AT&T TR62411 Stratum 3, 4 and

Stratum 4 Enhanced for DS1 interfaces and for

ETSI ETS 300 011, TBR 4, TBR 12, and TBR

13 for E1 interfaces

PT7A4402B/4402L employs a digital phase-locked loop

(DPLL) to provide timing and synchronizing signals for

multitrunk T1 and E1 primary rate transmission links. The

ST-BUS clock and framing signals are phase-locked to

input reference signals of either 2.048 MHz, 1.544MHz

or 8 kHz.

•

Provides C1.5, C3, C2, C4, C8 and C16 output

clock signals

•

Provides three kinds of 8kHz ST-BUS framing

signals

The PT7A4402B/4402L meets the requirements for

AT&T TR62411 Stratum 3, 4 and Stratum 4 Enhanced,

and ETSI ETS 300 011 in jitter tolerance, jitter transfer,

intrinsic jitter, frequency accuracy, holdover accuracy,

capture range, phase slope and MTIE, etc.

•

Two independent reference inputs

Input reference frequency 1.544MHz, 2.048MHz

or 8kHz selectable

•

Provides bit error free reference switching and

meets phase slope and MTIE requirements

Normal, Holdover or Free-Run operating modes

available

The PT7A4402B/4402Loperates in Manual orAutomatic

Mode, and in each of the modes, three operating states

are available: Normal, Holdover and Free-Run.

•

Automatic reference input impairment monitor

Power supply: 5V (4402B) and 3.3V(4402L)

Ordering Information

Applications

• Synchronization and timing control for multitrunk

T1 and E1 systems

Part Number

PT7A4402BJ

PT7A4402LJ

PT7A4402BJE

PT7A4402LJE

Package

28-Pin PLCC

•

ST-BUS clock and frame pulse sources

Primary Trunk Rate Converters

28-Pin PLCC

Lead free 28-Pin PLCC

PT0100(12/05)

Ver:1

12 3 4 5 6 7...34

中文翻译

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