參數(shù)資料
型號： XRT75VL00IV
廠商： EXAR CORP
元件分類： 數(shù)字傳輸電路
英文描述： E3/DS3/STS-1 LINE INTERFACE UNIT WITH JITTER ATTENUATOR
中文描述： DATACOM, PCM TRANSCEIVER, PQFP52
封裝： 10 X 10 MM, TQFP-52
文件頁數(shù)： 7/50頁
文件大?。?/td> 268K
代理商： XRT75VL00IV
XRT75VL00
REV. 1.0.3
E3/DS3/STS-1 LINE INTERFACE UNIT WITH JITTER ATTENUATOR
5
51
TRING
O
Transmit Ring Output
The XRT75VL00 uses this pin along with TTIP to transmit a bipolar signal to the
line using a 1:1 transformer.
1
TxLEV
I
Transmit Line Build-Out Enable/Disable Select
This input pin is used to enable or disable the Transmit Line Build-Out circuit.
Setting this pin to "High" disables the Line Build-Out circuit. In this mode, par-
tially-shaped pulses are output onto the line via the TTIP and TRING output
pins.
Setting this pin to "Low" enables the Line Build-Out circuit. In this mode, shaped
pulses are output onto the line via the TTIPand TRING output pins.
To comply with the Isolated DSX-3/STSX-1 Pulse Template Requirements per
Bellcore GR-499-CORE or Bellcore GR-253-CORE:
1. Set this pin to "1" if the cable length between the Cross-Connect and the
transmit output is greater than 225 feet.
2. Set this pin to "0" if the cable length between the Cross-Connect and the
transmit output is less than 225 feet.
This pin is active only if the following two conditions are true:
a. The XRT75VL00 is configured to operate in either the DS3 or SONET STS-1
Modes.
b. The XRT75VL00 is configured to operate in the Hardware Mode.
N
OTES
:
1.
2.
This pin is internally pulled down.
If the XRT75VL00 is configured in HOST mode, this pin may be tied to
GND.
TRANSMIT INTERFACE
P
IN
#
S
IGNAL
N
AME
T
YPE
D
ESCRIPTION
相關PDF資料
PDF描述
XRT79L71 1 - CHANNEL DS3/E3 ATM UNI/PPP COMBO IC
XRT79L71IB 1 - CHANNEL DS3/E3 ATM UNI/PPP COMBO IC
XRT79L72 2 - CHANNEL DS3/E3 ATM UNI/PPP COMBO IC
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相關代理商/技術參數(shù)
參數(shù)描述
XRT75VL00IV-F 功能描述:外圍驅動器與原件 - PCI 3.3V 1 CH E3/DS3/STS W/JITTER ATTEN 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
XRT75VL00IVTR 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
XRT75VL00IVTR-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
XRT79L71 制造商:EXAR 制造商全稱:EXAR 功能描述:1-CHANNEL DS3/E3 ATM UNI/PPP/CLEAR-CHANNEL FRAMER IC -
XRT79L71_07 制造商:EXAR 制造商全稱:EXAR 功能描述:1-CHANNEL DS3/E3 ATM UNI/PPP/CLEAR-CHANNEL FRAMER IC - HARDWARE
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