参数资料
型号: ICS843101IAG-100LFT
厂商: INTEGRATED DEVICE TECHNOLOGY INC
元件分类: 时钟产生/分配
英文描述: 100 MHz, OTHER CLOCK GENERATOR, PDSO16
封装: 4.40 X 5 MM, 0.92 MM HEIGHT, ROHS COMPLIANT, MO-153, TSSOP-16
文件页数: 2/17页
文件大小: 435K
代理商: ICS843101IAG-100LFT
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
相关PDF资料
PDF描述
ICS843101IAG-100LF 100 MHz, OTHER CLOCK GENERATOR, PDSO16
ICS84314AY-02LF 700 MHz, OTHER CLOCK GENERATOR, PQFP32
ICS84314AYLFT 350 MHz, OTHER CLOCK GENERATOR, PQFP32
ICS84314AYLF 350 MHz, OTHER CLOCK GENERATOR, PQFP32
ICS84314AY 350 MHz, OTHER CLOCK GENERATOR, PQFP32
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