Datasheet > EGLXT350QE.A2

EGLXT350QE.A2

更新时间： 2023-01-15 00:00:00

品牌	Logo	应用领域
英特尔 - INTEL		/
页数	文件大小	规格书
52页	1075K
描述
Telecom IC, CMOS, PQFP44

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数据手册

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EGLXT350QE.A2 数据手册

LXT350

T1/E1 Short Haul Transceiver with Crystal-less Jitter Attenuation

Datasheet

The LXT350 is a full-featured, fully-integrated transceiver for T1 and E1 short-haul

applications. The LXT350 is software switchable between T1 and E1 operation, and offers pulse

equalization settings for all short-haul T1 and E1 line interface (LIU) applications.

LXT350 provides both a serial port for microprocessor control (Host mode) as well as stand-

alone operation (Hardware mode). The device incorporates advanced crystal-less digital jitter

attenuation in either the transmit or receive data path starting at 3 Hz. B8ZS/HDB3 encoding/

decoding and unipolar or bipolar data I/O are selectable. Loss of signal monitoring and a variety

of diagnostic loopback modes can also be selected.

Applications

■ SONET/SDH tributary interfaces

■ Digital cross connects

■ Public/private switching trunk line

interfaces

■ Microwave transmission systems

Product Features

■ Fully integrated transceivers for Short-Haul ■ Transmit/receive performance monitors

T1 or E1 interfaces

■ Crystal-less digital jitter attenuation

—Select either transmit or receive path

with Driver Fail Monitor Open (DFM) and

Loss of Signal (LOS) outputs

■ Selectable unipolar or bipolar data I/O and

B8ZS/HDB3 encoding/decoding

—No crystal or high speed external clock

required

■ QRSS generator/detector for testing or

monitoring

■ Meet or exceed specifications in ANSI

T1.403 and T1.408; ITU I.431, G.703,

G.736, G.775 and G.823; ETSI 300-166

and 300-233; and AT&T Pub 62411

■ Supports 75 Ω (E1 coax), 100 Ω (T1

twisted-pair) and 120 Ω (E1 twisted-pair)

applications

■ Fully restores the received signal after

transmission through a cable with

attenuation of 18dB, at 1024 kHz

■ Output short circuit current limit protection

■ Local, remote and analog loopback

capability

■ Compatible with Intel’s LXT360/361 T1/

E1 long haul/short haul transceiver

(Universal LIU)

■ Multiple register serial interface for

microprocessor control

■ Available in 28-pin PLCC and 44-pin

PQFP packages

■ Five pulse equalization settings for T1

short-haul applications

As of January 15, 2001, this document replaces the Level One document

LXT350 — Integrated T1/E1 Short Haul Transceiver with Crystal-less Jitter Attenuation.

Order Number: 249029-002

31-Mar-2006

12 3 4 5 6 7...52

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