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參數(shù)資料
| 型號： | XRT73L04BIV-F |
| 廠商： | Exar Corporation |
| 文件頁數(shù)： | 43/64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(qū)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 |
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XRT73L04B
4 CHANNEL DS3/E3/STS-1 LINE INTERFACE UNIT
REV. 1.0.1
44
RPOS_(n) and RNEG_(n) output pins on the rising
edge of RxClk_(n).
RxClk_(n) is the Recovered Clock signal from the in-
coming Received line signal. As a result, these clock
signals are typically 34.368 MHz for E3 applications,
44.736 MHz for DS3 applications and 51.84 MHz for
SONET STS-1 applications.
In general, if a given channel received a positive-po-
larity pulse in the incoming line signal via the
RTIP_(n) and RRing_(n) input pins, then the channel
pulses its corresponding RPOS_(n) output pin “High".
Conversely, if the channel received a negative-polari-
ty pulse in the incoming line signal via the RTIP_(n)
and RRing_(n) input pins, then the channel(n) pulses
its corresponding RNEG_(n) output pin “High".
Inverting the RxClk_(n) outputs
Each channel can invert the RxClk_(n) signals with
respect to the delivery of the RPOS_(n) and
RNEG_(n) output data to the Receiving Terminal
Equipment. This feature may be useful for those cus-
tomers whose Receiving Terminal Equipment logic
design is such that the RPOS_(n) and RNEG_(n) da-
ta must be sampled on the rising edge of RxClk_(n).
Figure 30 illustrates the behavior of the RPOS_(n),
RNEG_(n) and RxClk_(n) signals when the
RxClk_(n) signal has been inverted.
In the Hardware Mode:
Setting the RxClkINV pin “High” results in all chan-
nels of the XRT73L04B to output the recovered data
on RPOS_(n) and RNEG_(n) on the falling edge of
RxClk_(n). Setting this pin “Low” results in the recov-
ered data on RPOS_(n) and RNEG_(n) to output on
the rising edge of RxClk_(n).
a. Operating in the HOST Mode
In order to configure a channel(n) to invert the
RxClk_(n) output signal, the XRT73L04B must be op-
erating in the HOST Mode.
To invert RxClk_(n), associated with Channel(n),
write a "1" into the RxClk_(n)INV bit-field within Com-
mand Register CR-3.
FIGURE 29. HOW THE XRT73L04B OUTPUTS DATA ON THE RPOS AND RNEG OUTPUT PINS
RxClk
RPOS
RNEG
FIGURE 30. THE BEHAVIOR OF THE RPOS, RNEG, AND RXCLK SIGNALS WHEN RXCLK IS INVERTED
RxClk
RPOS
RNEG
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| XRT73LC03AIV-F | IC LIU E3/DS3/STS-1 3CH 120LQFP |
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相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| XRT73L06 | 制造商:EXAR 制造商全稱:EXAR 功能描述:SIX CHANNEL E3/DS3/STS-1 LINE INTERFACE UNIT |
| XRT73L06ES | 功能描述:網(wǎng)絡控制器與處理器 IC RoHS:否 制造商:Micrel 產(chǎn)品:Controller Area Network (CAN) 收發(fā)器數(shù)量: 數(shù)據(jù)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 |
| XRT73L06IB | 功能描述:外圍驅(qū)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 |
| XRT73L06IB-F | 功能描述:接口 - 專用 RoHS:否 制造商:Texas Instruments 產(chǎn)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 |
| XRT73L06IQ | 制造商:未知廠家 制造商全稱:未知廠家 功能描述:Telecomm/Datacomm |
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