參數(shù)資料
型號(hào): XRT5997ES
廠商: Exar Corporation
文件頁(yè)數(shù): 5/37頁(yè)
文件大?。?/td> 0K
描述: IC LIU E1 7CH 3.3V 100TQFP
標(biāo)準(zhǔn)包裝: 1
類型: 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
其它名稱: 1016-1438
XRT5997
13
Rev. 1.0.0
PIN DESCRIPTION (CONT'D)
Pin#
Symbol
Type
Description
78
TxNEG6
I
Transmitter - Negative Data Input – Channel 6:
The exact signal that should be applied to this input pin depends upon
whether the user intends to operate the “Transmit Section” (of the Channel 6)
in the “Clocked” or “Clockless” Mode.
Clocked Mode:
The Terminal Equipment should apply bit-wide NRZ pulses on this input pin,
whenever the Terminal Equipment needs to transmit a “negative-polarity”
pulse onto the line via TTIP6 and TRing6 output pins. The XRT5997
device will sample this input pin upon the falling edge of the TClk6 signal.
Clockless Mode:
The Terminal Equipment should apply RZ pulses to this input pin, anytime the
Terminal Equipment needs to transmit a “negative-polarity” pulse onto the
line via TIP6 and TRing6 output pins.
79
TxClk6
I
Transmitter Clock Input – Channel 6:
If the user operates Channel 6 (within the XRT5997 device) in the “clocked”
mode, then the “Transmit Section” of the Channel 6 will use the falling edge of
this signal to sample the data at the TxPOS6 and TxNEG6 input pins.
Note: If the user operates the Channel 6 in the “clockless” mode, then the
Terminal Equipment should not apply a clock signal to this input pin.
80
TGND6
Digital Ground. Transmitters 6.
81
TTIP6
O
Transmitter 6 Positive Bipolar Output:
Channel 6 within the XRT5997 device will use this pin, along with TRing6, to
transmit a bipolar line signal, via a 1:2 step-up transformer.
82
TVDD6
Positive Supply (+3.3V ± 5%), Transmitters 6.
83
TRing6
O
Transmitter 6 Negative Bipolar Output:
Channel 6 within the XRT5997 device will use this pin, along with TTIP6, to
transmit a bipolar line signal, via a 1:2 step-up transformer.
84
DGND
Digital Ground. Digital Circuitry.
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