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參數資料
| 型號： | ICS843071AGILF |
| 英文描述： | FEMTOCLOCKS⑩ CRYSTAL-TO- LVPECL CLOCK GENERATOR |
| 中文描述： | FEMTOCLOCKS⑩晶體到LVPECL時鐘發(fā)生器 |
| 文件頁數： | 9/15頁 |
| 文件大?。?/td> | 303K |
| 代理商： | ICS843071AGILF |
843071AGI
www.icst.com/products/hiperclocks.html
REV. A JANUARY 11, 2006
9
Integrated
Circuit
Systems, Inc.
ICS843071I
F
EMTO
C
LOCKS
C
RYSTAL
-
TO
- LVPECL
C
LOCK
G
ENERATOR
T
ERMINATION
FOR
3.3V LVPECL O
UTPUT
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
3B. LVPECL O
UTPUT
T
ERMINATION
F
IGURE
3A. 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 3A and 3B
show 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.
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
相關PDF資料 |
PDF描述 |
|---|---|
| ICS843071AGILFT | FEMTOCLOCKS⑩ CRYSTAL-TO- LVPECL CLOCK GENERATOR |
| ICS843071AGIT | FEMTOCLOCKS⑩ CRYSTAL-TO- LVPECL CLOCK GENERATOR |
| ICS843071I | FEMTOCLOCKS⑩ CRYSTAL-TO- LVPECL CLOCK GENERATOR |
| ICS843081AGI-01 | FEMTOCLOCKS⑩ CRYSTAL-TO-3.3V, 2.5V LVPECL CLOCK MULTIPLIER |
| ICS843081AGI-01LF | FEMTOCLOCKS⑩ CRYSTAL-TO-3.3V, 2.5V LVPECL CLOCK MULTIPLIER |
相關代理商/技術參數 |
參數描述 |
|---|---|
| ICS843071AGILFT | 功能描述:IC CLOCK GENERATOR LVPECL 8TSSOP RoHS:是 類別:集成電路 (IC) >> 時鐘/計時 - 時鐘發(fā)生器，PLL，頻率合成器 系列:HiPerClockS™, FemtoClock™ 標準包裝:1,000 系列:- 類型:時鐘/頻率合成器，扇出分配 PLL:- 輸入:- 輸出:- 電路數:- 比率 - 輸入:輸出:- 差分 - 輸入:輸出:- 頻率 - 最大:- 除法器/乘法器:- 電源電壓:- 工作溫度:- 安裝類型:表面貼裝 封裝/外殼:56-VFQFN 裸露焊盤 供應商設備封裝:56-VFQFP-EP（8x8） 包裝:帶卷 (TR) 其它名稱:844S012AKI-01LFT |
| ICS843071AGIT | 制造商:ICS 制造商全稱:ICS 功能描述:FEMTOCLOCKS⑩ CRYSTAL-TO- LVPECL CLOCK GENERATOR |
| ICS8430-71B | 制造商:ICS 制造商全稱:ICS 功能描述:700MHZ, LOW JITTER, CRYSTAL INTERFACE / LVCMOS-TO-3.3V LVPECL FREQUENCY SYNTHESIZER |
| ICS843071I | 制造商:ICS 制造商全稱:ICS 功能描述:FEMTOCLOCKS⑩ CRYSTAL-TO- LVPECL CLOCK GENERATOR |
| ICS843081AGI-01 | 制造商:ICS 制造商全稱:ICS 功能描述:FEMTOCLOCKS⑩ CRYSTAL-TO-3.3V, 2.5V LVPECL CLOCK MULTIPLIER |
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