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參數資料
| 型號： | XRT75L03D |
| 廠商： | Exar Corporation |
| 英文描述： | THREE CHANNEL E3/DS3/STS-1 LINE INTERFACE UNIT WITH SONET DESYNCHRONIZER |
| 中文描述： | Three頻道E3/DS3/STS-1線路接口單元與SONET DESYNCHRONIZER |
| 文件頁數： | 1/134頁 |
| 文件大小： | 659K |
| 代理商： | XRT75L03D |
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Exar
Corporation 48720 Kato Road, Fremont CA, 94538
(510) 668-7000
FAX (510) 668-7017
www.exar.com
á
THREE CHANNEL E3/DS3/STS-1 LINE INTERFACE UNIT WITH SONET DESYNCHRONIZER
XRT75L03D
JUNE 2003
GENERAL DESCRIPTION
REV. 1.0.0
The XRT75L03D is a three-channel fully integrated
Line Interface Unit (LIU) with Jitter Attenuator for E3/
DS3/STS-1
applications.
independent Receivers, Transmitters and Jitter
Attenuators in a single 128 pin LQFP package.
Each
channel
of
the
independently configured to operate in the data rate,
E3 (34.368 MHz), DS3 (44.736 MHz) or STS-1 (51.84
MHz). Each transmitter can be turned off and tri-
stated for redundancy support or for conserving
power.
The XRT75L03D’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 XRT75L03D incorporates an advanced crystal-
less jitter attenuator per channel 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 XRT75L03D provides both Serial Microprocessor
Interface as well as Hardware mode for programming
and control.
The XRT75L03D supports local, remote and digital
loop-backs. The device also has a built-in Pseudo
Random Binary Sequence (PRBS) generator and
detector with the ability to insert and detect single bit
error for diagnostic purposes.
It
incorporates
3
XRT75L03D
can
be
FEATURES
RECEIVER:
On chip Clock and Data Recovery circuit for high
input jitter tolerance
Meets E3/DS3/STS-1 Jitter Tolerance Requirement
Detects and Clears LOS as per G.775
Receiver Monitor mode handles up to 20 dB flat
loss with 6 dB cable attenuation
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
Each Transmitter can be turned on or off
Transmitters provide Current Drive Output
JITTER ATTENUATOR:
On chip advanced crystal-less Jitter Attenuator for
each channel
Jitter Attenuator can be selected in Receive or
Transmit paths
Meets ETSI TBR 24 Jitter Transfer Requirements
Compliant with jitter transfer template outlined in
ITU G.751, G.752, G.755 and GR-499-CORE,1995
standards
Jitter Attenuator can be disabled
CONTROL AND DIAGNOSTICS:
5 wire Serial Microprocessor Interface for control
and configuration
Supports
optional
internal
monitoring
Hardware Mode for control and configuration
Each channel supports Local, Remote and Digital
Loop-backs
Single 3.3 V ± 5% power supply
5 V Tolerant I/O
Available in 128 pin Thermally enhanced LQFP
Package
- 40°C to 85°C Industrial Temperature Range
Transmit
driver
APPLICATIONS
E3/DS3 Access Equipment
STS1-SPE to DS3 De-Synchronizing
DSLAMs
Digital Cross Connect Systems
CSU/DSU Equipment
Routers
Fiber Optic Terminals
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|---|---|
| XRT75L04D | FOUR CHANNEL E3/DS3/STS-1 LINE INTERFACE UNIT WITH SONET DESYNCHRONIZER |
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| XRT75L04 | FOUR CHANNEL E3/DS3/STS-1 LINE INTERFACE UNIT WITH JITTER |
| XRT75L04IV | FOUR CHANNEL E3/DS3/STS-1 LINE INTERFACE UNIT WITH JITTER |
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相關代理商/技術參數 |
參數描述 |
|---|---|
| XRT75L03DES | 功能描述:時鐘合成器/抖動清除器 3 CH T3/E3/STS1 LIU+DESYNCH3.3V RoHS:否 制造商:Skyworks Solutions, Inc. 輸出端數量: 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 |
| XRT75L03DIV | 功能描述:外圍驅動器與原件 - PCI 3CHNNEL E3/DS3/STS 1 SONET DE-SYNCH 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 |
| XRT75L03DIV-F | 功能描述:外圍驅動器與原件 - PCI 3-Ch DS3, E3, STS-1 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 |
| XRT75L03DIVTR | 功能描述:時鐘合成器/抖動清除器 3CHNNEL E3/DS3/STS 1 SONET DE-SYNCH RoHS:否 制造商:Skyworks Solutions, Inc. 輸出端數量: 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 |
| XRT75L03DIVTR-F | 功能描述:接口 - 專用 RoHS:否 制造商:Texas Instruments 產品類型:1080p60 Image Sensor Receiver 工作電源電壓:1.8 V 電源電流:89 mA 最大功率耗散: 最大工作溫度:+ 85 C 安裝風格:SMD/SMT 封裝 / 箱體:BGA-59 |
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