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XRT71D00IQ Datasheet

  • XRT71D00IQ

  • E3/DS3/STS-1 JITTER ATTENUATOR,STS-1 TO DS3 DESYNCHRONIZER

  • 18頁

  • EXAR   EXAR

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JULY 2000
XRT71D00
REV. 1.01
E3/DS3/STS-1 JITTER ATTENUATOR,STS-1 TO DS3 DESYNCHRONIZER
GENERAL DESCRIPTION
The XRT71D00 is a single channel, single chip Jitter
Attenuator, that meets the Jitter requirements speci-
fied in the ETSI TBR-24, Bellcore GR-499 and GR-
253 standards.
In addition, the XRT71D00 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
鈥?/div>
Meets the E3/DS3/STS-1 jitter requirements
鈥?/div>
No external components required
鈥?/div>
Compliance with jitter transfer template outlined in
ITU G.751, G.752, G.755 and GR-499-CORE,1995
standards
BLOCK DIAGRAM OF THE XRT71D00
鈥?/div>
Meets output jitter requirement as specified by
ETSI TBR24
鈥?/div>
Meets the Jitter and Wander specifications
described in T1.105.03b,GR-253 and GR-499 stan-
dards.
鈥?/div>
Selectable buffer size of 16 and 32 bits
鈥?/div>
Jitter attenuator can be disabled
鈥?/div>
Available in a 32 pin TQFP package.
鈥?/div>
Single 3.3V or 5.0V supply.
鈥?/div>
Operates over - 40
0
C to 85
0
C temperature range.
APPLICATIONS
鈥?/div>
E3/DS3 Access Equipment.
鈥?/div>
STS-SPE to DS3 Mapper
鈥?/div>
DSLAMs
BW S
M C lk
T im in g C on tro l B lo c k /
P h a s e lo c k ed L oo p
IC T
D JA
R C lk
C lkE S
RPOS
RNEG
W rite C lock
R ead C lock
R R C lk
RRPO S
1 6 /3 2 B it F IF O
RRNEG
FL
H O S T/H W
RST
D S 3/E 3
M ic ro p ro c es s o r S e ria l
In te rfa ce
CS SDI
SDO
S C lk
Exar
Corporation 48720 Kato Road, Fremont CA, 94538
鈥?/div>
(510) 668-7000
鈥?/div>
FAX (510) 668-7017
鈥?/div>
www.exar.com

XRT71D00IQ 產(chǎn)品屬性

  • Exar

  • TQFP-32

  • SMD/SMT

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