參數(shù)資料
型號(hào): XRT73LC00AIV
廠商: Exar Corporation
文件頁(yè)數(shù): 6/61頁(yè)
文件大?。?/td> 0K
描述: IC LIU STS1/DS3/E3 SGL 44TQFP
標(biāo)準(zhǔn)包裝: 160
類型: 線路接口裝置(LIU)
驅(qū)動(dòng)器/接收器數(shù): 1/1
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: 44-LQFP
供應(yīng)商設(shè)備封裝: 44-TQFP(10x10)
包裝: 托盤
XRT73LC00A
11
E3/DS3/STS-1 LINE INTERFACE UNIT
REV. 1.0.2
41
TTIP
O
Transmit TIP Output:
The XRT73LC00A uses this pin along with TRING to transmit a bipolar line sig-
nal via a 1:1 transformer.
NOTE: This output pin along with TRING is tri-stated anytime the TxOFF input
pin or bit-field is set “high”.
42
TxAVDD
-
Transmit Analog Power Supply
43
MRING
I
Monitor Ring Input:
This input pin along with the MTIP pin function as the input pins for the Transmit
Drive Monitor. These two input pins are used to determine whether or not a
bipolar line signal is being output via the TTIP and TRING output pins. The
Transmit Drive Monitor circuit will toggle the DMO output pin “high” denoting a
Transmit Line Fault condition if no bipolar pulses are detected via the TTIP/
TRING output pins for 128 bit-periods.
Connect this input pin to the TRING output pin via a 270 ohm resistor.
NOTE: Tie this input pin to GND if you do not intend to use the Transmit Drive
Monitor.
44
MTIP
I
Monitor Tip Input:
This input pin along with the MRING pin function as the input pins for the Trans-
mit Drive Monitor. These two input pins are to be used to determine whether or
not a bipolar line signal is being output via the TTIP and TRING output pins. The
Transmit Drive Monitor circuit will toggle the DMO output pin “high” denoting a
Transmit Line Fault condition if no bipolar pulses are detected via the TTIP/
TRING output pins for 128 bit periods.
Connect this input pin to the TTIP output pin via a 270 ohm resistor.
NOTE: Tie this input pin to GND if you do not intend to use the Transmit Drive
Monitor.
PIN DESCRIPTION
PIN #SYMBOL
TYPE
DESCRIPTION
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