NOTE: The RNEG_(n)" />
參數(shù)資料
型號： XRT73LC04AIV-F
廠商： Exar Corporation
文件頁數(shù)： 46/64頁
文件大?。?/td> 0K
描述： IC LIU E3/DS3/STS-1 4CH 144LQFP
標準包裝： 60
類型： 線路接口裝置（LIU）
驅動器/接收器數(shù)： 4/4
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： 144-LQFP
供應商設備封裝： 144-LQFP（20x20）
包裝： 托盤
XRT73LC04A
46
4 CHANNEL DS3/E3/STS-1 LINE INTERFACE UNIT
REV. 1.0.2
NOTE: The RNEG_(n) output pin is internally tied to Ground
whenever this feature is implemented.
3.7
SHUTTING OFF THE RECEIVE SECTION
The Receive Section of each channel in the
XRT73LC04A can be shut off. This feature may
come in handy in some redundant system designs.
Particularly, in those designs where the Receive Ter-
mination within the Secondary LIU Line Card has
been switched-out and is not receiving any traffic in
parallel with the Primary Line Card. In this case, hav-
ing the LIU on the Secondary Line Card consume the
normal amount of current is a waste of power. This
feature can permit powering down the Receive Sec-
tion of the LIU’s on the Secondary Line Card which
reduces their power consumption by approximately
80%
a. Operating in the Hardware Mode
Shut off the Receive Sections by pulling the RxOFF
input pin “High". Turn on the Receiver Sections by
pulling the RxOFF input pin to “Low".
b. Operating in the HOST Mode
Shut off the Receive Sections by writing a "1" into the
RxOFF bit-field within Command Register CR3-(n).
Turn on the Receive Section of Channel(n) by writing
a "0" into the RxOFF bit-field within Command Regis-
ter CR3-(n).
FIGURE 32. THE BEHAVIOR OF THE RPOS AND RXCLK OUTPUT SIGNALS WHILE THE XRT73LC04A IS TRANS-
MITTING
SINGLE-RAIL DATA TO THE RECEIVING TERMINAL EQUIPMENT
RxClk
RPOS
COMMAND REGISTER CR3-(n)
D4
D3
D2
D1
D0
(SR/DR)_(n) LOSMUT_(n) RxOFF RxClk_(n)INV Reserved
X
1
X
相關PDF資料
PDF描述
XRT73R06IB-F IC LIU E3/DS3/STS-1 6CH 217BGA
XRT73R12IB-L IC LIU E3/DS3/STS-1 12CH 420TBGA
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相關代理商/技術參數(shù)
參數(shù)描述
XRT73R06 制造商:EXAR 制造商全稱:EXAR 功能描述:SIX CHANNEL E3/DS3/STS-1 LINE INTERFACE UNIT
XRT73R06ES 功能描述:網絡控制器與處理器 IC RoHS:否 制造商:Micrel 產品:Controller Area Network (CAN) 收發(fā)器數(shù)量: 數(shù)據速率: 電源電流（最大值）:595 mA 最大工作溫度:+ 85 C 安裝風格:SMD/SMT 封裝 / 箱體:PBGA-400 封裝:Tray
XRT73R06IB 功能描述:外圍驅動器與原件 - PCI 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
XRT73R06IB-F 功能描述:外圍驅動器與原件 - PCI 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
XRT73R12 制造商:EXAR 制造商全稱:EXAR 功能描述:TWELVE CHANNEL E3/DS3/STS-1 LINE INTERFACE UNIT
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