參數(shù)資料
型號： XRT75L02
廠商： Exar Corporation
英文描述： TWO CHANNEL E3/DS3/STS-1 LINE INTERFACE UNIT WITH JITTER
中文描述： 雙通道E3/DS3/STS-1線路接口單元，其抖動
文件頁數(shù)： 11/50頁
文件大?。?/td> 343K
代理商： XRT75L02
XRT75L02
TWO CHANNEL E3/DS3/STS-1 LINE INTERFACE UNIT WITH JITTER
xr
REV. 1.0.3
9
CONTROL AND ALARM INTERFACE
P
IN
#
S
IGNAL
N
AME
T
YPE
D
ESCRIPTION
73
53
MRING_0
MRING_1
I
Monitor Ring Input - Channel 0:
Monitor Ring Input - Channel 1:
The bipolar line output signal from TRING_n is connected to this pin via a 270
resistor to check for line driver failure.
N
OTE
:
This pin is internally pulled "High".
72
54
MTIP_0
MTIP_1
I
Monitor Tip Input - Channel 0:
Monitor Tip Input - Channel 1:
The bipolar line output signal from TTIP_n is connected to this pin via a 270-
ohm resistor to check for line driver failure.
N
OTE
:
This pin is internally pulled "High".
79
47
DMO_0
DMO_1
O
Drive Monitor Output - Channel 0:
Drive Monitor Output - Channel 1:
If MTIP_n and MRING_n has no transition pulse for 128 ± 32 TxCLK_n cycles,
DMO_n goes “High” to indicate the driver failure. DMO_n output stays “High”
until the next AMI signal is detected.
94
33
RLOS_0
RLOS_1
O
Receive Loss of Signal Output Indicator - Channel 0:
Receive Loss of Signal Output Indicator - Channel 1:
This output pin toggles "High" if the receiver has detected a Loss of Signal Con-
dition.
The criteria for declaring /clearing an LOS Condition depends upon whether it is
operating in the E3 or STS-1/DS3 Mode.
95
32
RLOL_0
RLOL_1
O
Receive Loss of Lock Output Indicator - Channel 0:
Receive Loss of Lock Output Indicator - Channel 1:
This output pin toggles "High" if a Loss of Lock Condition is detected. LOL
(Loss of Lock) condition occurs if the recovered clock frequency deviates from
the Reference Clock frequency (available at either E3CLK or DS3CLK or STS-
1CLK input pins) by more than 0.5%.
11
RXA
****
External Resistor of 3 K
± 1%.
Should be connected between RxA and RxB for internal bias.
12
RXB
****
External Resistor of 3K
±1%.
Should be connected between RxA and RxB for internal bias.
98
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, tie this pin
"High".
N
OTE
:
This pin is internally pulled “High".
96
TEST
****
Factory Test Pin
N
OTE
:
This pin must be connected to GND for normal operation.
相關(guān)PDF資料
PDF描述
XRT75L02IV TWO CHANNEL E3/DS3/STS-1 LINE INTERFACE UNIT WITH JITTER
XRT75L03D THREE CHANNEL E3/DS3/STS-1 LINE INTERFACE UNIT WITH SONET DESYNCHRONIZER
XRT75L04D FOUR CHANNEL E3/DS3/STS-1 LINE INTERFACE UNIT WITH SONET DESYNCHRONIZER
XRT75L04DIV FOUR CHANNEL E3/DS3/STS-1 LINE INTERFACE UNIT WITH SONET DESYNCHRONIZER
XRT75L04 FOUR CHANNEL E3/DS3/STS-1 LINE INTERFACE UNIT WITH JITTER
相關(guān)代理商/技術(shù)參數(shù)
參數(shù)描述
XRT75L02DES 功能描述:時鐘合成器/抖動清除器 2CH T3/E3/STS1 LIU+DESYNCH 3.3V 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
XRT75L02DIV-F 功能描述:網(wǎng)絡(luò)控制器與處理器 IC 2-Ch E3/DS3/STS-1 RoHS:否 制造商:Micrel 產(chǎn)品:Controller Area Network (CAN) 收發(fā)器數(shù)量: 數(shù)據(jù)速率: 電源電流（最大值）:595 mA 最大工作溫度:+ 85 C 安裝風(fēng)格:SMD/SMT 封裝 / 箱體:PBGA-400 封裝:Tray
XRT75L02DIVTR-F 功能描述:時鐘合成器/抖動清除器 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
XRT75L02ES 功能描述:時鐘合成器/抖動清除器 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
XRT75L02IV 制造商:EXAR 制造商全稱:EXAR 功能描述:TWO CHANNEL E3/DS3/STS-1 LINE INTERFACE UNIT WITH JITTER
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