參數(shù)資料
型號(hào)： LXT381BE
廠商： INTEL CORP
元件分類(lèi)： 數(shù)字傳輸電路
英文描述： Octal E1 Line Interface Unit
中文描述： DATACOM, PCM TRANSCEIVER, PBGA160
封裝： PLASTIC, BGA-160
文件頁(yè)數(shù)： 1/36頁(yè)
文件大?。?/td> 218K
代理商： LXT381BE
LXT381
Octal E1 Line Interface Unit
Datasheet
General Description
The LXT381 is an octal short haul analog Line Interface Unit for ITU G.703 2.048 Mbit/sec.
transmission systems. It incorporates eight independent receivers and eight independent
transmitters in a single LQFP-144 or PBGA-160 package.
The transmit output drivers provide low impedance, constant during marks and spaces and
constant pulse amplitudes independent of supply voltage variations.
The LXT381 may be configured for unbalanced 75
or for balanced 120
systems without
external component changes in the transmit section. The transmit return loss performance
exceeds latest ETSI return loss recommendations such as ETS 300166.
The LXT381 features a differential data receiver architecture with high noise interference
margin. The receivers use peak detection and a variable threshold for reliable data recovery
down to 500 mV or up to 12 dB of cable attenuation.
Each receiver incorporates an analog Loss Of Signal (LOS) processor that meets latest ITU
G.775 standard.
The fast power down mode of all transmitters allows the implementation of Hitless Protection
Switching (HPS) application without the use of relays.
Applications
I
Synchronous Digital Hierarchy
(SDH) E1 tributary interfaces
I
Public switching trunk line interfaces
I
Digital Access Cross Connects (DACS)
I
Microwave transmission systems
Product Features
I
Octal E1 short haul line interface per ITU
G.703
I
Single rail supply voltage of 3.3V with 5V
I/O capability
I
Low power consumption of <100 mW per
channel (typ.)
I
75
/120
TX operation without
component changes
I
Transmit return loss complies with ETSI
ETS 300 166
I
Hitless Protection Switching (HPS)
I
Driver short circuit current limiter (<50 mA
RMS)
I
Differential receiver with 15dB of signal to
noise interference margin
I
Data recovery with no need for external
reference clock
I
Analog LOS detection per ITU G.775
I
Simple hardware control mode
I
JTAG Boundary Scan test port per IEEE
1149.4
I
Small footprint 144 pin LQFP or 160 pin
PBGA package
As of January 15, 2001, this document replaces the Level One document
known as
Octal E1 Line Interface
.
Order Number: 249005-001
January 2001
相關(guān)PDF資料
PDF描述
LXT381LE Octal E1 Line Interface Unit
LXT381 Octal E1 Line Interface Unit
LXT386 QUAD T1/E1/J1 Transceiver
LXT400 All Rate Extended Range Switched 56/DDS Transceiver
LXT441 Switched 56/DDS Integrated DSU/CSU
相關(guān)代理商/技術(shù)參數(shù)
參數(shù)描述
LXT381LE 制造商:INTEL 制造商全稱(chēng):Intel Corporation 功能描述:Octal E1 Line Interface Unit
LXT384/LXT386/LXT388 制造商:未知廠家 制造商全稱(chēng):未知廠家 功能描述:LXT384/LXT386/LXT388 - LXT384/6/8 Twisted Pair Interface Without Component Changes
LXT384BE 制造商:未知廠家 制造商全稱(chēng):未知廠家 功能描述:Telecomm/Datacomm
LXT384LE 制造商:未知廠家 制造商全稱(chēng):未知廠家 功能描述:Telecomm/Datacomm
LXT386 制造商:INTEL 制造商全稱(chēng):Intel Corporation 功能描述:QUAD T1/E1/J1 Transceiver
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