NOTE
參數(shù)資料
型號： XRT75L03DIV-F
廠商： Exar Corporation
文件頁數(shù)： 38/134頁
文件大?。?/td> 0K
描述： IC LIU E3/DS3/STS-1 3CH 128LQFP
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)： 3/3
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： 128-LQFP 裸露焊盤
供應(yīng)商設(shè)備封裝： 128-LQFP（14x20）
包裝： 托盤
XRT75L03D
á
REV. 1.0.0
THREE CHANNEL E3/DS3/STS-1 LINE INTERFACE UNIT WITH SONET DESYNCHRONIZER
127
NOTE: The user can only disable the "SONET APS Recovery Time Mode" if the XRT75L03D is operating in the Host Mode.
If the user is operating the XRT75L03D in the Hardware Mode, then the user will have NO ability to disable the
"SONET APS Recovery Time Mode" feature.
9.8.4
How should one configure the XRT75L03D, if one needs to support "Daisy-Chain" Testing at
the end Customer's site?
Daisy-Chain testing is emerging as a new requirements that many of our customers are imposing on our
SONET Mapper and LIU products. Many System Designer/Manufacturers are finding out that whenever their
end-customers that are evaluating and testing out their systems (in order to determine if they wish to move
forward and start purchasing this equipment in volume) are routinely demanding that they be able to test out
these systems with a single piece of test equipment. This means that the end-customer would like to take a
single piece of DS3 or STS-1 test equipment and (with this test equipment) snake the DS3 or STS-1 traffic
(that this test equipment will generate) through many or (preferably all) channels within the system.
For
example, we have had request from our customers that (on a system that supports OC-192) our silicon be able
to support this DS3 or STS-1 traffic snaking through the 192 DS3 or STS-1 ports within this system.
After extensive testing, we have determined that the best approach to complying with test "Daisy-Chain"
Testing requirements, is to configure the Jitter Attenuator blocks (within each of the Channels within the
XRT75L03D) into the "32-Bit" Mode. The user can configure the Jitter Attenuator block (within a given channel
of the XRT75L03D) to operate in this mode by settings in the table below.
REFERENCES
1. TEST REPORT - AUTOMATIC PROTECTION SWITCHING (APS) RECOVERY TIME TESTING WITH THE
XRT94L43 DS3/E3/STS-1 TO STS-12 MAPPER IC - Revision C Silicon
JITTER ATTENUATOR CONTROL REGISTER - CHANNEL 0 ADDRESS LOCATION = 0X07
CHANNEL 1 ADDRESS LOCATION = 0X0F
CHANNEL 2 ADDRESS LOCATION = 0X17
BIT 7BIT 6BIT 5
BIT 4BIT 3BIT 2BIT 1BIT 0
Unused
SONET APS
Recovery
Time Disable
Ch_n
JA RESET
Ch_n
JA1 Ch_n
JA in Tx Path
Ch_n
JA0 Ch_n
R/O
R/WR/W
R/W
00
0
00
011
JITTER ATTENUATOR CONTROL REGISTER - CHANNEL 0 ADDRESS LOCATION = 0X07
CHANNEL 1 ADDRESS LOCATION = 0X0F
CHANNEL 2 ADDRESS LOCATION = 0X17
BIT 7BIT 6BIT 5BIT 4BIT 3
BIT 2BIT 1
BIT 0
Unused
SONET APS
Recovery
Time Disable
Ch_n
JA RESET
Ch_n
JA1 Ch_n
JA in Tx Path
Ch_n
JA0 Ch_n
R/O
R/W
00
000
11
0
相關(guān)PDF資料
PDF描述
XRT75L03IV-F IC LIU E3/DS3/STS-1 3CH 128LQFP
XRT75L04DIV-F IC LIU E3/DS3/STS-1 4CH 176TQFP
XRT75L04IV-F IC LIU E3/DS3/STS-1 4CH 176LQFP
XRT75L06DIB-F IC LIU E3/DS3/STS-1 6CH 217BGA
XRT75L06IB-F IC LIU E3/DS3/STS-1 6CH 217BGA
相關(guān)代理商/技術(shù)參數(shù)
參數(shù)描述
XRT75L03DIVTR 功能描述:時鐘合成器/抖動清除器 3CHNNEL E3/DS3/STS 1 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
XRT75L03DIVTR-F 功能描述:接口 - 專用 RoHS:否 制造商:Texas Instruments 產(chǎn)品類型:1080p60 Image Sensor Receiver 工作電源電壓:1.8 V 電源電流:89 mA 最大功率耗散: 最大工作溫度:+ 85 C 安裝風(fēng)格:SMD/SMT 封裝 / 箱體:BGA-59
XRT75L03ES 功能描述:時鐘合成器/抖動清除器 3 CH T3/E3/STS1 LIU+JA 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
XRT75L03IV 功能描述:外圍驅(qū)動器與原件 - PCI 3CH E3/DS3/STS1 JITTER ATTENUATOR RoHS:否 制造商:PLX Technology 工作電源電壓: 最大工作溫度: 安裝風(fēng)格:SMD/SMT 封裝 / 箱體:FCBGA-1156 封裝:Tray
XRT75L03IV-F 功能描述:外圍驅(qū)動器與原件 - PCI 3-Ch DS3, E3, STS-1 RoHS:否 制造商:PLX Technology 工作電源電壓: 最大工作溫度: 安裝風(fēng)格:SMD/SMT 封裝 / 箱體:FCBGA-1156 封裝:Tray
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