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参数资料
| 型号： | ICS843256AG |
| 厂商： | INTEGRATED DEVICE TECHNOLOGY INC |
| 元件分类： | 时钟产生/分配 |
| 英文描述： | 333.33 MHz, OTHER CLOCK GENERATOR, PDSO24 |
| 封装： | 4.40 X 7.80 MM, 0.92 MM HEIGHT, MO-153, TSSOP-24 |
| 文件页数： | 2/14页 |
| 文件大小： | 816K |
| 代理商： | ICS843256AG |
IDT / ICS 3.3V LVPECL FREQUENCY SYNTHESIZER
10
ICS843256AM REV. A NOVEMBER 15, 2006
ICS843256
FEMTOCLOCKS CRYSTAL-TO-3.3V LVPECL FREQUENCY SYNTHESIZER
PRELIMINARY
TERMINATION FOR 2.5V LVPECL OUTPUT
Figure 5A and Figure 5B show examples of termination for 2.5V
LVPECL driver. These terminations are equivalent to terminat-
ing 50
to V
CC
- 2V. For V
CC
= 2.5V, the V
CC
- 2V is very close to
ground level. The R3 in Figure 5B can be eliminated and the
termination is shown in
Figure 5C.
FIGURE 5C. 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 5B. 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 5A. 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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| ICS843256BGIT | 625 MHz, OTHER CLOCK GENERATOR, PDSO24 |
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相关代理商/技术参数 |
参数描述 |
|---|---|
| ICS843256AGILF | 制造商:Integrated Device Technology Inc 功能描述:PLL Frequency Synthesizer Single 24-Pin TSSOP Tube |
| ICS843256AGLF | 制造商:ICS 制造商全称:ICS 功能描述:FEMTOCLOCKS⑩ CRYSTAL-TO-3.3V LVPECL FREQUENCY SYNTHESIZER W/INTEGRATED FANOUT BUFFER |
| ICS843256AGLFT | 制造商:ICS 制造商全称:ICS 功能描述:FEMTOCLOCKS⑩ CRYSTAL-TO-3.3V LVPECL FREQUENCY SYNTHESIZER W/INTEGRATED FANOUT BUFFER |
| ICS843256AGT | 制造商:ICS 制造商全称:ICS 功能描述:FEMTOCLOCKS⑩ CRYSTAL-TO-3.3V LVPECL FREQUENCY SYNTHESIZER W/INTEGRATED FANOUT BUFFER |
| ICS843256AM | 制造商:ICS 制造商全称:ICS 功能描述:FEMTOCLOCKS⑩ CRYSTAL-TO-3.3V LVPECL FREQUENCY SYNTHESIZER W/INTEGRATED FANOUT BUFFER |
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