參數(shù)資料
型號: XRT75L00IV
廠商: Exar Corporation
文件頁數(shù): 1/50頁
文件大?。?/td> 0K
描述: IC LIU E3/DS3/STS-1 SGL 52TQFP
標準包裝: 96
類型: 線路接口裝置(LIU)
驅動器/接收器數(shù): 1/1
規(guī)程: DS3,E3,STS-1
電源電壓: 3.135 V ~ 3.465 V
安裝類型: 表面貼裝
封裝/外殼: 52-LQFP
供應商設備封裝: 52-TQFP(10x10)
包裝: 托盤
Exar Corporation 48720 Kato Road, Fremont CA, 94538 (510) 668-7000 FAX (510) 668-7017 www.exar.com
XRT75L00
E3/DS3/STS-1 LINE INTERFACE UNIT WITH JITTER ATTENUATOR
FEBRUARY 2004
REV. 1.0.2
GENERAL DESCRIPTION
The XRT75L00 is a single-channel fully integrated
Line Interface Unit (LIU) with Jitter Attenuator for E3/
DS3/STS-1
applications.
It
incorporates
an
independent
Receiver,
Transmitter
and
Jitter
Attenuator in a single 52 pin TQFP package.
The XRT75L00 can be configured to operate in either
E3 (34.368 MHz), DS3 (44.736 MHz) or STS-1 (51.84
MHz) modes. The transmitter can be turned off (tri-
stated) for redundancy support and for conserving
power.
The XRT75L00’s differential receiver provides high
noise interference margin and is able to receive the
data over 1000 feet of cable or with up to 12 dB of
cable attenuation.
The XRT75L00 incorporates an advanced crystal-
less jitter attenuator that can be selected either in the
transmit
or
receive
path.
The
jitter
attenuator
performance meets the ETSI TBR-24 and Bellcore
GR-499 specifications.
The XRT75L00 provides both Serial Microprocessor
Interface as well as Hardware mode for programming
and control.
The XRT75L00 supports local, remote and digital
loop-backs. The XRT75L00 also contains an on-
board Pseudo Random Binary Sequence (PRBS)
generator and detector with the ability to insert and
detect single bit error.
FEATURES
RECEIVER:
On chip Clock and Data Recovery circuit for high
input jitter tolerance.
Meets
E3/DS3/STS-1
Jitter
Tolerance
Requirements.
Detects and Clears LOS as per G.775.
Meets Bellcore GR-499 CORE Jitter Transfer
Requirements.
Receiver Monitor mode handles up to 20 dB flat
loss with 6 dB cable attenuation.
Compliant with jitter transfer template outlined in
ITU G.751, G.752, G.755 and GR-499-CORE,1995
standards.
Meets ETSI TBR 24 Jitter Transfer Requirements.
On chip B3ZS/HDB3 encoder and decoder that can
be either enabled or disabled.
On-chip clock synthesizer provides the appropriate
rate clock from a single 12.288 MHz Clock.
Provides low jitter output clock.
TRANSMITTER:
Compliant with Bellcore GR-499, GR-253 and ANSI
T1.102 Specification for transmit pulse
Tri-state Transmit output capability for redundancy
applications
Transmitter can be turned on or off.
JITTER ATTENUATOR:
On chip advanced crystal-less Jitter Attenuator.
Jitter Attenuator can be selected in Receive or
Transmit paths.
16 or 32 bits selectable FIFO size.
Meets the Jitter and Wander specifications
described in T1.105.03b,ETSI TBR-24, Bellcore
GR-253 and GR-499 standards.
Jitter Attenuator can be disabled.
CONTROL AND DIAGNOSTICS:
5 wire Serial Microprocessor Interface for control
and configuration.
Supports optional internal Transmit Driver
Monitoring.
PRBS error counter register to accumulate errors.
Hardware Mode for control and configuration.
Supports Local, Remote and Digital Loop-backs.
Single 3.3 V ± 5% power supply.
5 V Tolerant I/O.
Available in 52 pin TQFP.
-40°C to 85°C Industrial Temperature Range.
APPLICATIONS
E3/DS3 Access Equipment.
DSLAMs.
Digital Cross Connect Systems.
CSU/DSU Equipment.
Routers.
Fiber Optic Terminals.
相關PDF資料
PDF描述
VI-21W-MX-F4 CONVERTER MOD DC/DC 5.5V 75W
MS27508E8B6PA CONN RCPT 6POS BOX MNT W/PINS
XRT75L00DIVTR-F IC LIU E3/DS3/STS-1 SGL 52TQFP
VE-21X-MX-F2 CONVERTER MOD DC/DC 5.2V 75W
MS3100A22-27S CONN RCPT 9POS WALL MNT W/SCKT
相關代理商/技術參數(shù)
參數(shù)描述
XRT75L00IV-F 功能描述:外圍驅動器與原件 - PCI Sngl Chip LIU DS3/E3 RoHS:否 制造商:PLX Technology 工作電源電壓: 最大工作溫度: 安裝風格:SMD/SMT 封裝 / 箱體:FCBGA-1156 封裝:Tray
XRT75L00IVTR 功能描述:時鐘合成器/抖動清除器 3.3V 1 CH E3/DS3/STS W/JITTER ATTEN RoHS:否 制造商:Skyworks Solutions, Inc. 輸出端數(shù)量: 輸出電平: 最大輸出頻率: 輸入電平: 最大輸入頻率:6.1 GHz 電源電壓-最大:3.3 V 電源電壓-最小:2.7 V 封裝 / 箱體:TSSOP-28 封裝:Reel
XRT75L00IVTR-F 功能描述:時鐘合成器/抖動清除器 3.3V 1 CH E3/DS3/STS W/JITTER ATTEN RoHS:否 制造商:Skyworks Solutions, Inc. 輸出端數(shù)量: 輸出電平: 最大輸出頻率: 輸入電平: 最大輸入頻率:6.1 GHz 電源電壓-最大:3.3 V 電源電壓-最小:2.7 V 封裝 / 箱體:TSSOP-28 封裝:Reel
XRT75L02 制造商:EXAR 制造商全稱:EXAR 功能描述:TWO CHANNEL E3/DS3/STS-1 LINE INTERFACE UNIT WITH JITTER
XRT75L02DES 功能描述:時鐘合成器/抖動清除器 2CH T3/E3/STS1 LIU+DESYNCH 3.3V RoHS:否 制造商:Skyworks Solutions, Inc. 輸出端數(shù)量: 輸出電平: 最大輸出頻率: 輸入電平: 最大輸入頻率:6.1 GHz 電源電壓-最大:3.3 V 電源電壓-最小:2.7 V 封裝 / 箱體:TSSOP-28 封裝:Reel