參數(shù)資料
型號: XRT5997IVTR-F
廠商: Exar Corporation
文件頁數(shù): 14/37頁
文件大小: 0K
描述: IC LIU E1 7CH 3.3V 100TQFP
標(biāo)準(zhǔn)包裝: 1,000
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: 帶卷 (TR)
其它名稱: XRT5997IVTR-F-ND
XRT5997
21
Rev. 1.0.0
TxPO S _x
TxNE G _x
TxClk _x
D ata
1
0
1
0
1
Bit
Pe riod
R Z P ulse is to be
applied in the first
half of the bit-period
N o pulse is to be applied
in the second half of the
bit period
N o A ctivity in TxClk Line
Figure 3. Illustration on how the Terminal Equipment should apply data to the “Transmit Section” of a
given Channel (within the XRT5997 Device), when operating in the “Clockless” Mode
Figure 3, indicates that when the user is operating a
channel in the “Clockless” Mode, then the correspond-
ing Terminal Equipment must do the following:
Not apply a signal on the “TxClk_x” line.
When applying a pulse (to either the TxPOS_x or
TxNEG_x input pin), apply an RZ pulse to the
appropriate input pin. This RZ pulse should only
have a width of one-half the bit-period. Addition,
the RZ pulse should occupy only the first half of
the bit-period. The TxPOS_x and TxNEG_x input
pins must be at 0V, during the second half of
every bit-period.
1.3
The Pulse Shaping Circuit
The purpose of the “Transmit Pulse Shaping” circuit is
to generate “Transmit Output” pulses that comply with
the ITU-T G.703 Pulse Template Requirements for E1
Applications.
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