LXT351NE datasheet, PDF - EEWORLD Datasheet

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LXT351NE: DescriptionPCM Transceiver, 1-Func, PDIP28, DIP-28; CategoryWireless rf/communication Telecom circuit; File Size2MB，52 Pages; ManufacturerInphi Corporation

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LXT351NE Overview

PCM Transceiver, 1-Func, PDIP28, DIP-28

LXT351NE Parametric

Parameter Name	Attribute value
Maker	Inphi Corporation
package instruction	DIP,
Reach Compliance Code	compliant
JESD-30 code	R-PDIP-T28
length	37.4015 mm
Number of functions	1
Number of terminals	28
Maximum operating temperature	85 °C
Minimum operating temperature	-40 °C
Package body material	PLASTIC/EPOXY
encapsulated code	DIP
Package shape	RECTANGULAR
Package form	IN-LINE
Certification status	Not Qualified
Maximum seat height	6.35 mm
Nominal supply voltage	5 V
surface mount	NO
Telecom integrated circuit types	PCM TRANSCEIVER
Temperature level	INDUSTRIAL
Terminal form	THROUGH-HOLE
Terminal pitch	2.54 mm
Terminal location	DUAL
width	15.24 mm
Base Number Matches	1

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DATA SHEET

JUNE 1999

LXT350/351

General Description

The LXT350 and LXT351 are full-featured, fully-

integrated transceivers for T1 and E1 short-haul

applications. They are software switchable between T1 and

E1 operation, and offer pulse equalization settings for all

short-haul T1 and E1 line interface (LIU) applications.

The LXT350 and LXT351 are identical except for their

control interface. The LXT350 provides both a serial I/O

port for microprocessor control and a hardware control

mode for stand alone operation. The LXT351 offers an

Intel- or Motorola-bus compatible parallel I/O port for

microprocessor control. Both incorporate 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 available.

Both LIUs provide loss of signal monitoring and a variety

of diagnostic loopback modes.

The LXT350/351 design uses an advanced double-poly,

double-metal fabrication process and requires only a single

5-volt power supply.

Revision 1.0

Integrated T1/E1 S/H Transceivers with Crystal-less Jitter

Attenuation

Features

• Fully integrated transceiver for short-haul T1 or E1

interfaces

• Crystal-less digital jitter attenuation

• Selectable either transmit or receive path

• No crystal or high-speed external clock required

• Meet or exceed specifications in ANSI T1.403 and

T1.408; ITU G.703, G.736, G.775 and G.823; ITU-T

I.431; 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

• Five pulse equalization settings for T1 short-haul

applications

• Transmit/receive performance monitors with Driver

Fail Monitor Open (DFM) and Loss of Signal (LOS)

outputs

• Selectable unipolar or bipolar data I/O and B8ZS/

HDB3 encoding/decoding

• QRSS generator/detector for testing or monitoring

• Output short circuit current limit protection

• Local, remote and analog loopback capability

• Multiple-register serial- or parallel-control interface

• Compatible with Level One’s LXT360/361 T1/E1

long haul/short haul transceiver (Universal LIU)

Applications

•

SONET/SDH tributary interfaces

Digital cross connects

Public/private switching trunk line interfaces

Microwave transmission systems

LXT350/351 Block Diagram

Refer to www.level1.com for most current information.

)

LXT351NE Related Products

	LXT351NE	LXT350NE
Description	PCM Transceiver, 1-Func, PDIP28, DIP-28	PCM Transceiver, 1-Func, PDIP28, DIP-28
package instruction	DIP,	DIP,
Reach Compliance Code	compliant	compliant
JESD-30 code	R-PDIP-T28	R-PDIP-T28
length	37.4015 mm	37.4015 mm
Number of functions	1	1
Number of terminals	28	28
Maximum operating temperature	85 °C	85 °C
Minimum operating temperature	-40 °C	-40 °C
Package body material	PLASTIC/EPOXY	PLASTIC/EPOXY
encapsulated code	DIP	DIP
Package shape	RECTANGULAR	RECTANGULAR
Package form	IN-LINE	IN-LINE
Certification status	Not Qualified	Not Qualified
Maximum seat height	6.35 mm	6.35 mm
Nominal supply voltage	5 V	5 V
surface mount	NO	NO
Telecom integrated circuit types	PCM TRANSCEIVER	PCM TRANSCEIVER
Temperature level	INDUSTRIAL	INDUSTRIAL
Terminal form	THROUGH-HOLE	THROUGH-HOLE
Terminal pitch	2.54 mm	2.54 mm
Terminal location	DUAL	DUAL
width	15.24 mm	15.24 mm
Base Number Matches	1	1

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