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參數(shù)資料
| 型號(hào)： | XRT71D04IV |
| 廠商： | EXAR CORP |
| 元件分類： | 數(shù)字傳輸電路 |
| 英文描述： | 4 CHANNEL E3/DS3/STS-1 JITTER ATTENUATOR, STS-1 TO DS3 DESYNCHRONIZER |
| 中文描述： | DATACOM, PCM JITTER ATTENUATOR, PQFP80 |
| 封裝： | 14 X 14 MM, 1.40 MM HEIGHT, TQFP-80 |
| 文件頁數(shù)： | 1/22頁 |
| 文件大?。?/td> | 254K |
| 代理商： | XRT71D04IV |
Exar
Corporation 48720 Kato Road, Fremont CA, 94538
(510) 668-7000
FAX (510) 668-7017
www.exar.com
á
XRT71D03
3 CHANNEL E3/DS3/STS-1 JITTER ATTENUATOR, STS-1 TO DS3 DESYNCHRONIZER
APRIL 2001
REV. 1.1.1
GENERAL DESCRIPTION
The XRT71D03 is a three channel, single chip Jitter
Attenuator, that meets the Jitter transfer characteris-
tics requirements specified in the ETSI TBR-24,
Bellcore GR-499 and GR-253 standards.
In addition, the XRT71D03 also meets the Jitter and
Wander specifications described in the ANSI
T1.105.03b 1997, Bellcore GR-253 and GR-499 stan-
dards for Desynchronizing and Pointer adjustments in
the DS3 to STS-SPE mapping applications.
FEATURES
Meets the E3/DS3/STS-1 jitter requirements
No external components required
Compliant with jitter transfer template outlined in
ITU G.751, G.752, G.755, GR-235-CORE, GR-
499-CORE,1995 standards
Meets output jitter requirement as specified by
ETSI TBR24
Meets the Jitter and Wander specifications
described in T1.105.03b,GR-253 and GR-499 stan-
dards.
Selectable buffer size of 16 and 32 bits
Jitter attenuator can be disabled
Available in a 64 pin LQFP package.
Single 3.3V or 5.0V supply.
Operates over - 40
°
C to 85
°
C temperature range.
APPLICATIONS
E3/DS3 Access Equipment.
STS-SPE to DS3 Mapper
DSLAMs
F
IGURE
1. B
LOCK
D
IAGRAM
(
ONE
C
HANNEL
)
Timing Control Block
Phase locked Loop
RRCLK_n
RRPOS_n
RRNEG_n
FL_n
RRCLKES
DJA_n
RClk_n
RClkES
RPOS_n
RNEG_n
FSS
ICT
MCLK_n
STS1_n
DS3/E3_n
Microprocessor Serial
Interface
CS SDI SDO SClk
HOST
Reset
Channel 0
Channel 1
Channel 2
XRT71D03
n = 0, 1, 2
MODE_CTRL
Read Clock
Write Clock
16/32 Bit FIFO
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相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| XRT71D04IVTR | 功能描述:時(shí)鐘合成器/抖動(dòng)清除器 4CH E3/DS3/STS1 JIT ATTEN 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 |
| XRT7250 | 制造商:EXAR 制造商全稱:EXAR 功能描述:DS3/E3 FRAMER IC |
| XRT7250ES-PCI | 功能描述:界面開發(fā)工具 Evaluation Board for XRT7250 Series RoHS:否 制造商:Bourns 產(chǎn)品:Evaluation Boards 類型:RS-485 工具用于評(píng)估:ADM3485E 接口類型:RS-485 工作電源電壓:3.3 V |
| XRT7250IQ100 | 制造商:EXAR 制造商全稱:EXAR 功能描述:DS3/E3 FRAMER IC |
| XRT7288 | 制造商:EXAR 制造商全稱:EXAR 功能描述:CEPT1 Line Interface |
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