Datasheet > 78P2344-IEL/A07

78P2344-IEL/A07

更新时间： 2024-11-07 20:25:51

品牌	Logo	应用领域
东电化 - TDK		/
页数	文件大小	规格书
37页	460K
描述
Telecom IC, PQFP100

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中文翻译

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数据手册

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78P2344-IEL/A07 数据手册

78P2344JAT

4-port E3/DS3/STS-1 LIU

with Jitter Attenuator

FEBRUARY 2004

DESCRIPTION

FEATURES

The 78P2344JAT is

low-power, 4-port

•

Transmit and receive interfaces for E3, DS3 and

STS-1 applications

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

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

•

Adaptive digital clock recovery (uses line-rate

reference clock input)

Receive output clock maintains nominal line-rate

frequency at all times

standard pulse shape requirements.

The

Fully integrated Jitter Attenuation function

provided for all line rates (no external VCXO

required)

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.

•

Jitter Attenuator configurable for transmit or

receive path

•

Transmit line fault monitor

Requires no external current-setting resistor or

loop filter components

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

•

Single 3.3V supply operation

Available in 100-pin Exposed Pad JEDEC LQFP

•

BLOCK DIAGRAM

Controls Flags

RLBK

LBO E3 DS3

Transmit

TXNW

TXEN

Monitor

TPOS

TNEG

TCLK

B3ZS /

HDB3

LOUTP

LOUTN

Pulse

Shaper

Encoder

Attenuator

Jitter

Attenuator

ENDEC

RPOS

LINP

LINN

B3ZS /

AGC

Data

Detector

Adaptive

Equalizer

HDB3

RNEG

RCLK

Decoder

MON

TCLKP

RCLKP

Power

Distribution

Signal

Detector

Clock

Recovery

LOS

LLBKA

LLBKB

PDTX PDRX

CKREF

Signals from

Adjacent Port

Each Channel

SCK

SDI

Master

Control

Registers

Bias

CKREF

Generator

SDO

- 1 -

12 3 4 5 6 7...37

中文翻译

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与78P2344-IEL/A07相关器件

型号	品牌	获取价格	描述	数据表
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
78P2344-IELR/F/A07	TERIDIAN	获取价格	PCM Transceiver, 1-Func, PQFP100, LEAD FREE, LQFP-100
78P2344-IGT	TDK	获取价格	PCM Transceiver, 1-Func, PQFP100, TQFP-100

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