In-Circuit Test Input
參數(shù)資料
型號： XRT75L04IV-F
廠商： Exar Corporation
文件頁數(shù)： 5/57頁
文件大?。?/td> 0K
描述： IC LIU E3/DS3/STS-1 4CH 176LQFP
標(biāo)準(zhǔn)包裝： 72
類型： 線路接口裝置（LIU）
驅(qū)動器/接收器數(shù)： 4/4
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： 176-LQFP
供應(yīng)商設(shè)備封裝： 176-TQFP（24x24）
包裝： 托盤
XRT75L04
11
REV. 1.0.4
FOUR CHANNEL E3/DS3/STS-1 LINE INTERFACE UNIT WITH JITTER ATTENUATOR
131
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".
NOTE: This pin is internally pulled “High".
132
TEST
****
Factory Test Pin
NOTE: This pin must be connected to GND for normal operation.
84
LOSMUT/
INT
I/O
Hardware Mode: MUTE-upon-LOS Enable Input
Host Mode: Interrupt Ouput:
In Hardware Mode, setting pin “High” configures all three channels to Mute the
recovered data on the RPOS_n and RNEG_n whenever one of the channels
declares an LOS condition. RPOS_n and RNEG_n outputs are pulled “Low”.
Muting of the output data can be configured/controlled on a per channel basis
in Host Mode.
NOTE:
If the XRT75L04 is configured in HOST mode, this pin functions as INT
pin (please refer to the pin description for the Microprocessor Interface).
94
103
127
118
LLB_0
LLB_1
LLB_2
LLB_3
I
Local Loop-back - Channel 0:
Local Loop-back - Channel 1:
Local Loop-back - Channel 2:
Local Loop-back - Channel 3:
This input pin along with RLB_n configures different Loop-Back modes.
A "High" on this pin with RLB_n set to "Low" configures Channel_n to operate
in the Analog Local Loop-back Mode.
A "High" on this pin with RLB_n set to "High" configures Channel_n to operate
in the Digital Local Loop-back Mode.
NOTE:
This input pin is ignored and should be connected to GND if the
XRT75L04 is operating in the HOST Mode.
95
104
126
117
RLB_0
RLB_1
RLB_2
RLB_3
I
Remote Loop-back - Channel 0:
Remote Loop-back - Channel 1:
Remote Loop-back - Channel 2:
Remote Loop-back - Channel 3:
This input pin along with LLB_n configures different Loop-Back modes.
A "High" on this pin with LLB_n set to “Low" configures Channel_n to operate in
the Remote Loop-back Mode.
A "High" on this pin with LLB_n set to "High" configures Channel_n to operate
in the Digital Local Loop-back Mode.
NOTE:
This input pin is ignored and should be connected to GND if the
XRT75L04 is operating in the HOST Mode.
CONTROL AND ALARM INTERFACE
RLB_n
0
Loopback Mode
Normal Operation
Analog Local
LLB_n
0
1
Remote
Digital
0
1
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相關(guān)代理商/技術(shù)參數(shù)
參數(shù)描述
XRT75L04IVTR 功能描述:時鐘合成器/抖動清除器 4CH E3/DS3/STS1 JITTER ATTENUATOR 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
XRT75L04IVTR-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
XRT75L06 制造商:EXAR 制造商全稱:EXAR 功能描述:SIX CHANNEL E3/DS3/STS-1 LINE INTERFACE UNIT WITH JITTER ATTENUATOR
XRT75L06D 制造商:EXAR 制造商全稱:EXAR 功能描述:SIX CHANNEL E3/DS3/STS-1 LINE INTERFACE UNIT WITH SONET DESYNCHRONIZER
XRT75L06DES 功能描述:時鐘合成器/抖動清除器 6CH 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
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