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參數資料
| 型號： | ICS843101IAG-100LF |
| 廠商： | INTEGRATED DEVICE TECHNOLOGY INC |
| 元件分類： | 時鐘產生/分配 |
| 英文描述： | 100 MHz, OTHER CLOCK GENERATOR, PDSO16 |
| 封裝： | 4.40 X 5 MM, 0.92 MM HEIGHT, ROHS COMPLIANT, MO-153, TSSOP-16 |
| 文件頁數： | 2/17頁 |
| 文件大小： | 435K |
| 代理商： | ICS843101IAG-100LF |
843101AGI-100
www.icst.com/products/hiperclocks.html
REV. A OCTOBER 20, 2005
10
Integrated
Circuit
Systems, Inc.
ICS843101I-100
FEMTOCLOCKS CRYSTAL-TO-LVPECL
100MHZ FREQUENCY MARGINING SYNTHESIZER
PRELIMINARY
APPLICATION INFORMATION
As in any high speed analog circuitry, the power supply pins
are vulnerable to random noise. The ICS843101I-100 pro-
vides separate power supplies to isolate any high switch-
ing noise from the outputs to the internal PLL. V
CC, VCCA, and
V
CCO should be individually connected to the power supply
plane through vias, and bypass capacitors should be
used for each pin. To achieve optimum jitter performance,
power supply isolation is required. Figure 2 illustrates how
a 10
Ω resistor along with a 10F and a .01μF bypass
capacitor should be connected to each V
CCA. The 10Ω resis-
tor can also be replaced by a ferrite bead.
POWER SUPPLY FILTERING TECHNIQUES
FIGURE 2. POWER SUPPLY FILTERING
10
Ω
V
CCA
10
μF
.01
μF
3.3V or 2.5V
.01
μF
V
CC
CRYSTAL INPUT INTERFACE
The ICS843101I-100 has been characterized with 18pF
parallel resonant crystals. The capacitor values shown in
Figure 3 below were determined using a 24MHz, 18pF par-
Figure 3. CRYSTAL INPUt INTERFACE
allel resonant crystal and were chosen to minimize the
ppm error.
C1
27p
X1
18pF Parallel Crystal
C2
27p
XTAL_OUT
XTAL_IN
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相關代理商/技術參數 |
參數描述 |
|---|---|
| ICS843101IAG-100LFT | 制造商:ICS 制造商全稱:ICS 功能描述:FEMTOCLOCKS? CRYSTAL-TO-LVPECL 100MHZ FREQUENCY MARGINING SYNTHESIZER |
| ICS843101IAG-100T | 制造商:ICS 制造商全稱:ICS 功能描述:FEMTOCLOCKS? CRYSTAL-TO-LVPECL 100MHZ FREQUENCY MARGINING SYNTHESIZER |
| ICS843-106 | 制造商:ICS 制造商全稱:ICS 功能描述:106.25MHZ, LVCMOS, LVPECL DUAL OUTPUT OSCILLATOR |
| ICS8431-11 | 制造商:ICS 制造商全稱:ICS 功能描述:255MHZ, LOW JITTER, LVPECL FREQUENCY SYNTHESIZER |
| ICS8431-21 | 制造商:ICS 制造商全稱:ICS 功能描述:350MHZ, LOW JITTER, CRYSTAL OSCILLATOR-TO-3.3V LVPECL FREQUENCY SYNTHESIZER |
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