參數(shù)資料
型號(hào)： XRT5997IV-F
廠商： Exar Corporation
文件頁(yè)數(shù)： 1/37頁(yè)
文件大?。?/td> 0K
描述： IC LIU E1 7CH 3.3V 100TQFP
標(biāo)準(zhǔn)包裝： 90
類(lèi)型： 線路接口裝置（LIU）
驅(qū)動(dòng)器/接收器數(shù)： 7/7
規(guī)程： E1
電源電壓： 3.14 V ~ 3.47 V
安裝類(lèi)型： 表面貼裝
封裝/外殼： 100-LQFP
供應(yīng)商設(shè)備封裝： 100-TQFP（14x14）
包裝： 托盤(pán)
EXAR Corporation, 48720 Kato Road, Fremont, CA 94538
(510) 668-7000 FAX (510) 668-7017 www.exar.com
Rev. 1.0.0
XRT5997
Seven-Channel E1
Line Interface Unit
November 1999-2
l Generates Transmit Output Pulses that are
Compliant with the ITU-T G.703 Pulse Template
Requirement for 2.048Mbps (E1) Rates
l On-Chip Pulse Shaping for both 75
and 120
line drivers
l Receiver Can Either Be Transformer or
Capacitive-Coupled to the Line
l Detects and Clears LOS (Loss of Signal) Per
ITU-T G.775
l Compliant with the ITU-T G.823 Jitter Tolerance
Requirements
l Compliant with ITU G. 703 EOS Over-voltage
protection Requirement
l Logic Inputs Accept Either 3.3V or 5.0V Levels
l Operates over the Industrial Temperature Range
l Ultra Low Power Dissipation
l +3.3V Supply Operation
APPLICATIONS
l PDH Multiplexers
l SDH Multiplexers
l Digital Cross-Connect Systems
l DECT (Digital European Cordless Telephone)
Base Stations
l CSU/DSU Equipment
GENERAL DESCRIPTION
The XRT5997 is an optimized seven-channel analog
E1 line interface unit fabricated using low power 3.3V
CMOS technology. Each channel consists of both a
Transmitter and a Receiver function. The Transmitter
accepts a TTL or CMOS level signal from the Terminal
Equipment; and outputs this data to the line via bipolar
pulses that are compliant to the ITU-T G.703 pulse
template for E1. The Receiver accepts an attenuated
bipolar line signal (from the remote terminal equipment)
and outputs this data to the (near-end) terminal equip-
ment via CMOS level signals.
ORDERING INFORMATION
Part No.
Package
Operating
Temperature Range
XRT5997IV
100-Lead TQFP (14 x 14 x 1.4 mm)
-40°C to +85°C
FEATURES
The Main features are as follows:
l Consists of Seven (7) Independent E1 (CEPT)
Line Interface Units (Transmitter and Receiver)
Each Receiver input can be transformer or capacitive-
coupled to the line. The Receiver input is transformer-
coupled to the line, using a 2:1 step-down transformer.
Each Transmitter is coupled to the line using a 1:2 step-
up transformer. This same configuration is applicable
for both balanced (120
) and unbalanced (75 )
interfaces.
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XRT5997IVTR-F 功能描述:外圍驅(qū)動(dòng)器與原件 - PCI 7 Ch. E1 LIU RoHS:否 制造商:PLX Technology 工作電源電壓: 最大工作溫度: 安裝風(fēng)格:SMD/SMT 封裝 / 箱體:FCBGA-1156 封裝:Tray
XRT59L81IG-F 功能描述:時(shí)鐘發(fā)生器及支持產(chǎn)品 BITS Clock Generator RoHS:否 制造商:Silicon Labs 類(lèi)型:Clock Generators 最大輸入頻率:14.318 MHz 最大輸出頻率:166 MHz 輸出端數(shù)量:16 占空比 - 最大:55 % 工作電源電壓:3.3 V 工作電源電流:1 mA 最大工作溫度:+ 85 C 安裝風(fēng)格:SMD/SMT 封裝 / 箱體:QFN-56
XRT59L81IGTR-F 功能描述:時(shí)鐘發(fā)生器及支持產(chǎn)品 BITS Clock Generator RoHS:否 制造商:Silicon Labs 類(lèi)型:Clock Generators 最大輸入頻率:14.318 MHz 最大輸出頻率:166 MHz 輸出端數(shù)量:16 占空比 - 最大:55 % 工作電源電壓:3.3 V 工作電源電流:1 mA 最大工作溫度:+ 85 C 安裝風(fēng)格:SMD/SMT 封裝 / 箱體:QFN-56
XRT59L91 制造商:EXAR 制造商全稱:EXAR 功能描述:Single-Chip E1 Line Interface Unit
XRT59L91ES 功能描述:外圍驅(qū)動(dòng)器與原件 - PCI 1 CH E1 AFE RoHS:否 制造商:PLX Technology 工作電源電壓: 最大工作溫度: 安裝風(fēng)格:SMD/SMT 封裝 / 箱體:FCBGA-1156 封裝:Tray
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