參數(shù)資料
型號: ICS843256AGLFT
廠商: INTEGRATED DEVICE TECHNOLOGY INC
元件分類: 時鐘產(chǎn)生/分配
英文描述: 333.33 MHz, OTHER CLOCK GENERATOR, PDSO24
封裝: 4.40 X 7.80 MM, 0.92 MM HEIGHT, ROHS COMPLIANT, MO-153, TSSOP-24
文件頁數(shù): 2/14頁
文件大?。?/td> 816K
代理商: ICS843256AGLFT
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
相關(guān)PDF資料
PDF描述
ICS843256AM 333.33 MHz, OTHER CLOCK GENERATOR, PDSO24
ICS843256AG 333.33 MHz, OTHER CLOCK GENERATOR, PDSO24
ICS843256AMT 333.33 MHz, OTHER CLOCK GENERATOR, PDSO24
ICS843256BGI 625 MHz, OTHER CLOCK GENERATOR, PDSO24
ICS843256BGIT 625 MHz, OTHER CLOCK GENERATOR, PDSO24
相關(guān)代理商/技術(shù)參數(shù)
參數(shù)描述
ICS843256AGT 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
ICS843256AM 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
ICS843256AMLF 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
ICS843256AMLFT 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
ICS843256AMT 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