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參數(shù)資料
| 型號： | ICS8421002I-01 |
| 英文描述： | FEMTOCLOCKS⑩ CRYSTAL-TO-HSTL FREQUENCY SYNTHESIZER |
| 中文描述： | FEMTOCLOCKS⑩晶體對HSTL頻率合成器 |
| 文件頁數(shù)： | 10/13頁 |
| 文件大?。?/td> | 200K |
| 代理商： | ICS8421002I-01 |
8421002AGI-01
www.icst.com/products/hiperclocks.html
REV. A FEBRUARY 6, 2006
10
Integrated
Circuit
Systems, Inc.
ICS8421002I-01
F
EMTO
C
LOCKS
C
RYSTAL
-
TO
-
HSTL F
REQUENCY
S
YNTHESIZER
3. Calculations and Equations.
The purpose of this section is to derive the power dissipated into the load.
HSTL output driver circuit and termination are shown in
Figure 3.
T
o calculate worst case power dissipation into the load, use the following equations which assume a 50
Ω
load.
Pd_H is power dissipation when the output drives high.
Pd_L is the power dissipation when the output drives low.
Pd_H = (V
OH_MAX
/R
L
) * (V
DD_MAX
- V
OH_MAX
)
Pd_L = (V
OL_MAX
/R
L
) * (V
DD_MAX
- V
OL_MAX
)
Pd_H = (1V/50
Ω
) * (2V - 1V) =
20mW
Pd_L = (0.4V/50
Ω
) * (2V - 0.4V) =
12.8mW
Total Power Dissipation per output pair = Pd_H + Pd_L =
32.8mW
F
IGURE
3. HSTL D
RIVER
C
IRCUIT
AND
T
ERMINATION
V
DDO
V
OUT
RL
50
Ω
Q1
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相關代理商/技術參數(shù) |
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|---|---|
| ICS8421004AGI | 制造商:ICS 制造商全稱:ICS 功能描述:FEMTOCLOCKS? CRYSTAL-TO-HSTL FREQUENCY SYNTHESIZER |
| ICS8421004AGI-01 | 制造商:ICS 制造商全稱:ICS 功能描述:FEMTOCLOCKS⑩ CRYSTAL-TO-HSTL FREQUENCY SYNTHESIZER |
| ICS8421004AGI-01T | 制造商:ICS 制造商全稱:ICS 功能描述:FEMTOCLOCKS⑩ CRYSTAL-TO-HSTL FREQUENCY SYNTHESIZER |
| ICS8421004AGIT | 制造商:ICS 制造商全稱:ICS 功能描述:FEMTOCLOCKS⑩ CRYSTAL-TO-HSTL FREQUENCY SYNTHESIZER |
| ICS8421004I | 制造商:ICS 制造商全稱:ICS 功能描述:FEMTOCLOCKS⑩ CRYSTAL-TO-HSTL FREQUENCY SYNTHESIZER |
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