參數(shù)資料
型號(hào)： ICS843002I-40
英文描述： 175MHZ, FEMTOCLOCKS-TM VCXO BASED SONET/SDH JITTER ATTENUATOR
中文描述： 175MHz時(shí)，F(xiàn)EMTOCLOCKS，商標(biāo)VCXO的基于SONET / SDH的抖動(dòng)衰減器
文件頁(yè)數(shù)： 14/21頁(yè)
文件大?。?/td> 277K
代理商： ICS843002I-40
843002AKI-40
www.icst.com/products/hiperclocks.html
REV. A JUNE 22, 2005
14
Integrated
Circuit
Systems, Inc.
ICS843002I-40
175MH
Z
, F
EMTO
C
LOCKS
VCXO B
ASED
SONET/SDH J
ITTER
A
TTENUATOR
PRELIMINARY
V
CC
- 2V
50
Ω
50
Ω
RTT
Z
o
= 50
Ω
Z
o
= 50
Ω
FOUT
FIN
RTT =
Z
o
1
((V
OH
+ V
OL
) / (V
CC
– 2)) – 2
3.3V
125
Ω
125
Ω
84
Ω
84
Ω
Z
o
= 50
Ω
Z
o
= 50
Ω
FOUT
FIN
The clock layout topology shown below is a typical termina-
tion for LVPECL outputs. The two different layouts mentioned
are recommended only as guidelines.
FOUT and nFOUT are low impedance follower outputs that
generate ECL/LVPECL compatible outputs. Therefore, terminat-
ing resistors (DC current path to ground) or current sources
must be used for functionality. These outputs are designed to
F
IGURE
4B. LVPECL O
UTPUT
T
ERMINATION
F
IGURE
4A. LVPECL O
UTPUT
T
ERMINATION
drive 50
Ω
transmission lines. Matched impedance techniques
should be used to maximize operating frequency and minimize
signal distortion. Figures 4A and 4Bshow two different layouts
which are recommended only as guidelines. Other suitable clock
layouts may exist and it would be recommended that the board
designers simulate to guarantee compatibility across all printed
circuit and clock component process variations.
T
ERMINATION
FOR
3.3V LVPECL O
UTPUTS
相關(guān)PDF資料
PDF描述
ICS843002AKI-41 700MHz, FEMTOCLOCKS-TM VCXO BASED SONET/SDH JITTER ATTENUATOR
ICS843002AKI-41T 700MHz, FEMTOCLOCKS-TM VCXO BASED SONET/SDH JITTER ATTENUATOR
ICS843002I-41 700MHz, FEMTOCLOCKS-TM VCXO BASED SONET/SDH JITTER ATTENUATOR
ICS843002 FEMTOCLOCKS⑩ CRYSTAL-TO-3.3V LVPECL FREQUENCY SYNTHESIZER
ICS843002AG FEMTOCLOCKS⑩ CRYSTAL-TO-3.3V LVPECL FREQUENCY SYNTHESIZER
相關(guān)代理商/技術(shù)參數(shù)
參數(shù)描述
ICS843002I-41 制造商:ICS 制造商全稱:ICS 功能描述:700MHz, FEMTOCLOCKS-TM VCXO BASED SONET/SDH JITTER ATTENUATOR
ICS843002I-72 制造商:IDT 制造商全稱:Integrated Device Technology 功能描述:FEMTOCLOCKS⑩ VCXO BASED WCDMA CLOCK GENERATOR/JITTER ATTENUATOR
ICS843003 制造商:ICS 制造商全稱:ICS 功能描述:FEMTOCLOCKS CRYSTAL-TO-3.3V LVPECL FREQUENCY SYNTHESIZER
ICS843003AG 制造商:ICSI 制造商全稱:Integrated Circuit Solution Inc 功能描述:FEMTOCLOCKS CRYSTAL-TO-3.3V LVPECL FREQUENCY SYNTHESIZER
ICS843003AGI-01 制造商:ICS 制造商全稱:ICS 功能描述:FEMTOCLOCKS-TM CRYSTAL-TO-3.3V LVPECL FREQUENCY SYNTHESIZER
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