参数资料
型号: XRT73LC00AIVTR
厂商: Exar Corporation
文件页数: 6/61页
文件大小: 0K
描述: IC LIU STS1/DS3/E3 SGL 44TQFP
标准包装: 1,000
类型: 线路接口装置(LIU)
驱动器/接收器数: 1/1
规程: DS3,E3,STS-1
电源电压: 3.135 V ~ 3.465 V
安装类型: 表面贴装
封装/外壳: 44-LQFP
供应商设备封装: 44-TQFP(10x10)
包装: 带卷 (TR)
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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