參數(shù)資料
型號(hào): ICS843246AGT
元件分類(lèi): 時(shí)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, MO-153, TSSOP-24
文件頁(yè)數(shù): 2/15頁(yè)
文件大小: 205K
代理商: ICS843246AGT
843246AM
www.icst.com/products/hiperclocks.html
REV. A SEPTEMBER 29, 2005
10
Integrated
Circuit
Systems, Inc.
ICS843246
FEMTOCLOCKSCRYSTAL-TO-3.3V LVPECL
FREQUENCY SYNTHESIZER W/INTEGRATED FANOUT BUFFER
PRELIMINARY
TERMINATION FOR 2.5V LVPECL OUTPUT
Figure 4A and Figure 4B show examples of termination for
2.5V LVPECL driver. These terminations are equivalent to
terminating 50
Ω to V
CC - 2V. For VCC = 2.5V, the VCC - 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
相關(guān)PDF資料
PDF描述
ICS843246AMLF 333.33 MHz, OTHER CLOCK GENERATOR, PDSO24
ICS84324AMLFT 125 MHz, OTHER CLOCK GENERATOR, PDSO24
ICS84324DM 125 MHz, OTHER CLOCK GENERATOR, PDSO24
ICS843252AG-04 187.5 MHz, OTHER CLOCK GENERATOR, PDSO16
ICS843252AG-04T 187.5 MHz, OTHER CLOCK GENERATOR, PDSO16
相關(guān)代理商/技術(shù)參數(shù)
參數(shù)描述
ICS843246AM 制造商:ICS 制造商全稱(chēng):ICS 功能描述:FEMTOCLOCKS⑩ CRYSTAL-TO-3.3V LVPECL FREQUENCY SYNTHESIZER W/INTEGRATED FANOUT BUFFER
ICS843246AMLF 制造商:ICS 制造商全稱(chēng):ICS 功能描述:FEMTOCLOCKS⑩ CRYSTAL-TO-3.3V LVPECL FREQUENCY SYNTHESIZER W/INTEGRATED FANOUT BUFFER
ICS843246AMLFT 制造商:ICS 制造商全稱(chēng):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(chēng):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(chēng):Integrated Device Technology 功能描述:FEMTOCLOCKS⑩ CRYSTAL-TO-3.3V LVPECL FREQUENCY SYNTHESIZER W/INTEGRATED FANOUT BUFFER