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參數資料
| 型號： | ICS843246AMLF |
| 廠商： | INTEGRATED DEVICE TECHNOLOGY INC |
| 元件分類： | 時鐘產生/分配 |
| 英文描述： | 333.33 MHz, OTHER CLOCK GENERATOR, PDSO24 |
| 封裝： | 7.50 X 15.33 MM, 2.30 MM HEIGHT, ROHS COMPLIANT, MS-013, MO-119, SOIC-24 |
| 文件頁數： | 2/17頁 |
| 文件大小： | 2371K |
| 代理商： | ICS843246AMLF |
IDT / ICS 3.3V LVPECL FREQUENCY SYNTHESIZER
10
ICS843246AM REV A SEPTEMBER 21, 2006
ICS843246
FEMTOCLOCKS CRYSTAL-TO-3.3V LVPECL FREQUENCY SYNTHESIZER W/FANOUT BUFFER
PRELIMINARY
TERMINATION FOR 2.5V LVPECL OUTPUT
Figure 4A and Figure 4B show examples of termination for 2.5V
LVPECL dr iver. These ter minations are equivalent to
terminating 50
to V
CC
- 2V. For V
CC
= 2.5V, the V
CC
- 2V is very
close to ground level. The R3 in Figure 4B can be eliminated
and the termination is shown in
Figure 4C.
FIGURE 4C. 2.5V LVPECL TERMINATION EXAMPLE
R2
50
Zo = 50 Ohm
VCCO=2.5V
R1
50
Zo = 50 Ohm
+
-
2.5V
2,5V LVPECL
Driv er
FIGURE 4B. 2.5V LVPECL DRIVER TERMINATION EXAMPLE
VCCO=2.5V
R1
50
R2
50
Zo = 50 Ohm
R3
18
2,5V LVPECL
Driv er
Zo = 50 Ohm
+
-
2.5V
FIGURE 4A. 2.5V LVPECL DRIVER TERMINATION EXAMPLE
R2
62.5
2.5V
2,5V LVPECL
Driv er
R3
250
Zo = 50 Ohm
R4
62.5
2.5V
+
-
R1
250
VCCO=2.5V
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相關代理商/技術參數 |
參數描述 |
|---|---|
| ICS843246AMLFT | 制造商:ICS 制造商全稱:ICS 功能描述:FEMTOCLOCKS⑩ CRYSTAL-TO-3.3V LVPECL FREQUENCY SYNTHESIZER W/INTEGRATED FANOUT BUFFER |
| ICS843246AMT | 制造商:ICS 制造商全稱:ICS 功能描述:FEMTOCLOCKS⑩ CRYSTAL-TO-3.3V LVPECL FREQUENCY SYNTHESIZER W/INTEGRATED FANOUT BUFFER |
| ICS843246BGI | 制造商:IDT 制造商全稱:Integrated Device Technology 功能描述:FEMTOCLOCKS⑩ CRYSTAL-TO-3.3V LVPECL FREQUENCY SYNTHESIZER W/INTEGRATED FANOUT BUFFER |
| ICS843246BGILF | 制造商:IDT 制造商全稱:Integrated Device Technology 功能描述:FEMTOCLOCKS⑩ CRYSTAL-TO-3.3V LVPECL FREQUENCY SYNTHESIZER W/INTEGRATED FANOUT BUFFER |
| ICS843246BGILFT | 制造商:IDT 制造商全稱:Integrated Device Technology 功能描述:FEMTOCLOCKS⑩ CRYSTAL-TO-3.3V LVPECL FREQUENCY SYNTHESIZER W/INTEGRATED FANOUT BUFFER |
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