78P2344-IEL

更新时间： 2024-11-11 06:32:07

品牌	Logo	应用领域
TERIDIAN		电信集成电路 PC
页数	文件大小	规格书
37页	353K
描述
4-port E3/DS3/STS-1 LIU with Jitter Attenuator

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78P2344-IEL 数据手册

78P2344JAT

4-port E3/DS3/STS-1 LIU

with Jitter Attenuator

DATA SHEET

JULY 2005

DESCRIPTION

The 78P2344JAT is

FEATURES

•

Transmit and receive interfaces for E3, DS3 and

STS-1 applications

low-power, 4-port

DS3/E3/STS1 Line Interface Unit (LIU) with

integrated Jitter Attenuator (JAT). It includes all the

required clock recovery and transmitter pulse

shaping functions for applications using 75-ohm

coaxial cable at distances up to 1350 feet. These

applications include DSLAMs, T1,3/E1,3 digital

multiplexers, SONET Add/Drop multiplexers, PDH

equipment, DS3 to Fiber optic and microwave

modems and ATM WAN access for routers and

switches.

•

Designed for use with 75 ohm coaxial cable

lengths up to 1350 ft

•

Receives DS3-high and DSX3 monitor signals

Local and Remote loopbacks

Selectable B3ZS/HDB3 ENDEC with line code

violation detector

•

Standards-based LOS detector

Optional serial-port based mode selection and

channel status monitoring

•

Adaptive digital clock recovery (uses line-rate

reference clock input)

Receive output clock maintains nominal line-rate

frequency at all times

Fully integrated Jitter Attenuation function

provided for all line rates (no external VCXO

required)

Jitter Attenuator configurable for transmit or

receive path

Transmit line fault monitor

Requires no external current-setting resistor or

loop filter components

Single 3.3V supply operation

Available in 100-pin Exposed Pad JEDEC LQFP

The receiver recovers clock and data from a B3ZS

or HDB3 coded AMI signal. It can compensate for

over 12dB of cable and 6dB of flat loss. The

transmitter generates a signal that meets the

standard pulse shape requirements.

The

78P2344JAT includes optional B3ZS/HDB3 ENDEC

with a receive line code violation detector, loop-back

modes, Loss of Signal detector, clock polarity

selection, and the ability to receive a DSX3 monitor

signal.

•

STANDARDS

•

Telcordia GR-499-CORE and GR-253-CORE

ITU-T G.823, G.824, G.775, and G.703

ETSI TBR-24, ETS 300 686, ETS 300 687, and

ETS EN 300 689

•

ANSI T1.102-1993, T1.231-1997, T1.404-1994,

and T1.105.03b

BLOCK DIAGRAM

Controls Flags

RLBK

LBO E3 DS3

Transmit

Monitor

TXNW

TXEN

TPOS

TNEG

TCLK

B3ZS /

HDB3

Encoder

LOUTP

LOUTN

Pulse

Shaper

Attenuator

Jitter

Attenuator

ENDEC

RPOS

LINP

LINN

B3ZS /

HDB3

Decoder

AGC

Data

Detector

Adaptive

Equalizer

RNEG

RCLK

MON

TCLKP

RCLKP

Power

Distribution

Signal

Detector

Clock

Recovery

LOS

LLBKA

LLBKB

PDTX PDRX

CKREF

Signals from

Adjacent Port

Each Channel

Master

Bias

Generator

SCK

SDI

Control

Registers

CKREF

SDO

Page 1 of 37



2005 Teridian Semiconductor Corporation

Rev 2.2

12 3 4 5 6 7...37

中文翻译

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与78P2344-IEL相关器件

型号	品牌	获取价格	描述	数据表
78P2344-IEL/A07	TERIDIAN	获取价格	4-port E3/DS3/STS-1 LIU with Jitter Attenuator
78P2344-IEL/A07	TDK	获取价格	Telecom IC, PQFP100
78P2344-IEL/A07/F	TERIDIAN	获取价格	Telecom IC, PQFP100,
78P2344-IEL/A07/F	TDK	获取价格	Digital Transmission Interface, E-3, PQFP100
78P2344-IEL/A07R	TDK	获取价格	Digital Transmission Interface, E-3, PQFP100
78P2344-IEL/A07R/F	TERIDIAN	获取价格	Telecom IC, PQFP100,
78P2344-IEL/A07R/F	TDK	获取价格	Digital Transmission Interface, E-3, PQFP100
78P2344-IEL/F	TDK	获取价格	PCM Transceiver, 1-Func, PQFP100, LEAD FREE, LQFP-100
78P2344-IEL/F/A07	TERIDIAN	获取价格	PCM Transceiver, 1-Func, PQFP100, LEAD FREE, LQFP-100
78P2344-IELR/A07	TERIDIAN	获取价格	PCM Transceiver, 1-Func, PQFP100, LQFP-100

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