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參數(shù)資料
| 型號： | XRT75R03DIVTR |
| 廠商： | Exar Corporation |
| 文件頁數(shù)： | 39/135頁 |
| 文件大?。?/td> | 0K |
| 描述： | IC LIU E3/DS3/STS-1 3CH 128LQFP |
| 標(biāo)準(zhǔn)包裝： | 750 |
| 類型： | 線路接口裝置（LIU） |
| 驅(qū)動(dòng)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 |
| 供應(yīng)商設(shè)備封裝： | 128-LQFP（14x20） |
| 包裝： | 帶卷 (TR) |
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XRT75R03D
129
REV. 1.0.4
THREE CHANNEL E3/DS3/STS-1 LINE
NOTE: The user can only disable the "SONET APS Recovery Time Mode" if the XRT75R03D is operating in the Host
Mode. If the user is operating the XRT75R03D in the Hardware Mode, then the user will have NO ability to disable
the "SONET APS Recovery Time Mode" feature.
10.8.4
How should one configure the XRT75R03D, 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
XRT75R03D) into the "32-Bit" Mode. The user can configure the Jitter Attenuator block (within a given channel
of the XRT75R03D) 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 7
BIT 6
BIT 5
BIT 4
BIT 3
BIT 2
BIT 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
0
1
JITTER ATTENUATOR CONTROL REGISTER - CHANNEL 0 ADDRESS LOCATION = 0X07
CHANNEL 1 ADDRESS LOCATION = 0X0F
CHANNEL 2 ADDRESS LOCATION = 0X17
BIT 7
BIT 6
BIT 5
BIT 4
BIT 3
BIT 2
BIT 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
0
1
0
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相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| XRT75R03DIVTR-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 |
| XRT75R03ES | 功能描述:時(shí)鐘合成器/抖動(dòng)清除器 3CH T3/E3/STS1LIU+JA 3.3V W/REDUNDANCY 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 |
| XRT75R03IV | 功能描述:外圍驅(qū)動(dòng)器與原件 - PCI 3CHNNEL E3/DS3/STS 1 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 |
| XRT75R03IV-F | 功能描述:外圍驅(qū)動(dòng)器與原件 - PCI 3-Ch E3/DS3/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 |
| XRT75R03IVTR | 功能描述:時(shí)鐘合成器/抖動(dòng)清除器 3CHNNEL E3/DS3/STS 1 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 |
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