參數(shù)資料
型號: XRT59L91ID-F
廠商: Exar Corporation
文件頁數(shù): 2/28頁
文件大?。?/td> 0K
描述: IC LIU E1 SGL 3.3V 16SOIC
產(chǎn)品變化通告: Packaging Change 14/Jul/2010
標(biāo)準(zhǔn)包裝: 48
類型: 線路接口裝置(LIU)
驅(qū)動器/接收器數(shù): 1/1
規(guī)程: E1
電源電壓: 3.13 V ~ 3.46 V
安裝類型: 表面貼裝
封裝/外殼: 16-SOIC(0.295",7.50mm 寬)
供應(yīng)商設(shè)備封裝: 16-SOIC W
包裝: 管件
其它名稱: 1016-1576-5
XRT59L91ID-F-ND
XRT59L91
10
Rev. 1.0.0
Figure 3, indicates that when the user is operating the
XRT59L91 device in the “Clockless” Mode, then the
Terminal Equipment must do the following.
l
Not apply a signal on the “TxClk” line.
l
When applying a pulse (to either the TxPOS or
TxNEG 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 and TxNEG 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.
An illustration of the “ITU-T G.703 Pulse Template
Requirements” is presented below in Figure 4.
0%
50%
V = 100%
244ns
Nominal Pulse
219ns
(244 - 25)
269ns
(244 + 25)
194ns
10%
20%
Figure 4. Illustration of the ITU-T G.703 Pulse Template for E1 Application
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