參數(shù)資料
型號： XRT75VL00DIV
廠商： EXAR CORP
元件分類： 數(shù)字傳輸電路
英文描述： E3/DS3/STS-1 LINE INTERFACE UNIT WITH SONET DESYNCHRONIZER
中文描述： DATACOM, PCM TRANSCEIVER, PQFP52
封裝： 10 X 10 MM, TQFP-52
文件頁數(shù)： 7/92頁
文件大?。?/td> 816K
代理商： XRT75VL00DIV
XRT75VL00D
10
REV. 1.0.4
E3/DS3/STS-1 LINE INTERFACE UNIT WITH SONET DESYNCHRONIZER
30
RLOS
O
Receive Loss of Signal Output Indicator
This output pin toggles "High" if Receiver has detected a Loss of Signal Condi-
tion in the incoming line signal.
The criteria for declaring/clearing an LOS Condition depends upon whether it is
operating in the E3 or STS-1/DS3 Mode and is described in Section 2.04.
29
RLOL
O
Receive Loss of Lock Output Indicator:
This output pin toggles "High" if the XRT75VL00D has detected a Loss of Lock
Condition. LOL (Loss of Lock) condition is declared if the recovered clock fre-
quency deviates from the Reference Clock frequency (available at ExClk input
pin) by more than 0.5%.
33
Rext
****
External Bias control Resistor of 3.3 K
±1%.
Should be connected to RefAGND via 3.3 K
resistor.
15
TEST
I
Test Mode:
Connect this pin “High” to configure the XRT75VL00D in test mode.
NOTE: This pin is internally pulled Down.
16
ICT
I
In-Circuit Test Input:
Setting this pin "Low" causes all digital and analog outputs to go into a high-
impedance state to allow for in-circuit testing. For normal operation, set this pin
"High".
NOTE: This pin is internally pulled “High".
2
TAOS
I
Transmit All Ones Select
A “High" on this pin causes the Transmitter Section to generate and transmit a
continuous AMI all “1’s” pattern onto the line. The frequency of this “1’s” pattern
is determined by TxClk.
NOTES:
1.
This input pin is ignored if the XRT75VL00D is operating in the HOST
Mode and should be tied to GND.
2.
Analog Loopback and Remote Loopback have priority over request.
3.
This pin is internally pulled down.
28
LOSMUT/
INT
I/O
MUTE-upon-LOS Enable Input or Interrupt Ouput:
In Hardware Mode, setting this pin “High” configures the XRT75VL00D to Mute
the recovered data on the RPOS and RNEG whenever an LOS condition is
declared. RPOS and RNEG outputs are pulled “Low”.
NOTE:
If the XRT75VL00D is configured in HOST mode, this pin functions as
INT pin (please refer to the pin description for the Microprocessor
Interface).
CONTROL AND ALARM INTERFACE
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相關(guān)代理商/技術(shù)參數(shù)
參數(shù)描述
XRT75VL00DIV-F 功能描述:時鐘合成器/抖動清除器 3.3V 1 CH E3/DS3/STS W/SONET DE-SYNCH RoHS:否 制造商:Skyworks Solutions, Inc. 輸出端數(shù)量: 輸出電平: 最大輸出頻率: 輸入電平: 最大輸入頻率:6.1 GHz 電源電壓-最大:3.3 V 電源電壓-最小:2.7 V 封裝 / 箱體:TSSOP-28 封裝:Reel
XRT75VL00DIVTR 功能描述:時鐘合成器/抖動清除器 3.3V 1 CH E3/DS3/STS W/SONET DE-SYNCH RoHS:否 制造商:Skyworks Solutions, Inc. 輸出端數(shù)量: 輸出電平: 最大輸出頻率: 輸入電平: 最大輸入頻率:6.1 GHz 電源電壓-最大:3.3 V 電源電壓-最小:2.7 V 封裝 / 箱體:TSSOP-28 封裝:Reel
XRT75VL00DIVTR-F 功能描述:時鐘合成器/抖動清除器 3.3V 1 CH E3/DS3/STS W/SONET DE-SYNCH RoHS:否 制造商:Skyworks Solutions, Inc. 輸出端數(shù)量: 輸出電平: 最大輸出頻率: 輸入電平: 最大輸入頻率:6.1 GHz 電源電壓-最大:3.3 V 電源電壓-最小:2.7 V 封裝 / 箱體:TSSOP-28 封裝:Reel
XRT75VL00ES 功能描述:時鐘合成器/抖動清除器 1CHT3/E3/STS1LIU+A 3.3V VOLTAGE DRIVE RoHS:否 制造商:Skyworks Solutions, Inc. 輸出端數(shù)量: 輸出電平: 最大輸出頻率: 輸入電平: 最大輸入頻率:6.1 GHz 電源電壓-最大:3.3 V 電源電壓-最小:2.7 V 封裝 / 箱體:TSSOP-28 封裝:Reel
XRT75VL00IV 功能描述:外圍驅(qū)動器與原件 - PCI 3.3V 1 CH E3/DS3/STS W/JITTER ATTEN RoHS:否 制造商:PLX Technology 工作電源電壓: 最大工作溫度: 安裝風格:SMD/SMT 封裝 / 箱體:FCBGA-1156 封裝:Tray
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