XRT71D00IQ Datasheet

IC型號(hào)：
XRT71D00IQ
PDF描述：
E3/DS3/STS-1 JITTER ATTENUATOR,STS-1 TO DS3 DESYNCHRONIZER
文件大小：
115.28KB
PDF頁數(shù)：
18頁
芯片廠家：
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

C to 85

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

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

制造商
Exar
封裝 / 箱體
TQFP-32
安裝風(fēng)格
SMD/SMT

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XRT71D00IQ Datasheet

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