Datasheet > 78P2343JAT-IGT/F

78P2343JAT-IGT/F

更新时间： 2024-11-24 19:52:19

品牌	Logo	应用领域
东电化 - TDK		PC 电信电信集成电路
页数	文件大小	规格书
36页	368K
描述
PCM Transceiver, 1-Func, PQFP100, LEAD FREE, LQFP-100

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中文翻译

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数据手册

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78P2343JAT-IGT/F 数据手册

78P2343JAT

3-port E3/DS3/STS-1 LIU

with Jitter Attenuator

PRELIMINARY DATASHEET

JULY 2003

DESCRIPTION

FEATURES

The 78P2343JAT is

low-power, 3-port

•

Transmit and receive interfaces for E3, DS3 and

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

integrated Jitter Attenuator (JAT). It includes 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.

STS-1 applications

•

Designed for use with 75 ohm coaxial cable up

to 1350 ft long end-to-end or up to 900 ft long

from a DS3 cross-connect

•

Receives DS3-high and DSX3 monitor signals

Local and Remote loopback

Selectable B3ZS/HDB3 ENDEC with line code

violation detector

•

Standards-based LOS function

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

•

Receiver AGC corrects for up to 6dB of flat loss

Adaptive digital clock recovery (uses line-rate

reference clock input)

standard pulse shape requirements.

It has a

B3ZS/HDB3 ENDEC with a receive line code

violation detector, a loop-back mode, an input

receive MUX that can select a redundant channel, a

clock polarity selection mode, and the ability to

receive a DSX3 monitor signal.

•

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

STANDARDS

•

Jitter Tolerance: Telcordia GR-499-CORE [DS3]

and GR-253-CORE [STS1], ITU-T G.823 [E3]

and G.824 [DS3]

•

Transmit line fault monitor

Requires no external current-setting resistor or

loop filter components

•

Loss of Signal: ITU-T G.775

•

Single 3.3V supply operation

Jitter Transfer: ETSI TBR-24 1997 [E3];

Telcordia GR-499-CORE [DS3] and GR-253-

CORE [DS3/STS1]

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

ENDEC

Attenuator

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

Bias

Generator

Control

Registers

CKREF

SDO

- 1 -

12 3 4 5 6 7...36

中文翻译

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与78P2343JAT-IGT/F相关器件

型号	品牌	获取价格	描述	数据表
78P2343JAT-IGTR	TERIDIAN	获取价格	暂无描述
78P2343JAT-IGTR	TDK	获取价格	PCM Transceiver, 1-Func, PQFP100, LQFP-100
78P2344-IEL	TERIDIAN	获取价格	4-port E3/DS3/STS-1 LIU with Jitter Attenuator
78P2344-IEL	TDK	获取价格	PCM Transceiver, 1-Func, PQFP100, LQFP-100
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,

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