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參數(shù)資料
| 型號(hào)： | ICS843071AGI |
| 英文描述： | FEMTOCLOCKS⑩ CRYSTAL-TO- LVPECL CLOCK GENERATOR |
| 中文描述： | FEMTOCLOCKS⑩晶體到LVPECL時(shí)鐘發(fā)生器 |
| 文件頁數(shù)： | 8/15頁 |
| 文件大小： | 303K |
| 代理商： | ICS843071AGI |
843071AGI
www.icst.com/products/hiperclocks.html
REV. A JANUARY 11, 2006
8
Integrated
Circuit
Systems, Inc.
ICS843071I
F
EMTO
C
LOCKS
C
RYSTAL
-
TO
- LVPECL
C
LOCK
G
ENERATOR
A
PPLICATION
I
NFORMATION
P
OWER
S
UPPLY
F
ILTERING
T
ECHNIQUES
As in any high speed analog circuitry, the power supply pins
are vulnerable to random noise. The ICS843071I provides
separate power supplies to isolate any high switching
noise from the outputs to the internal PLL. V
and V
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 1
illustrates how
a 10
Ω
resistor along with a 10
μ
F and a .01
μ
F bypass
capacitor should be connected to each V
CCA
pin.
F
IGURE
1. P
OWER
S
UPPLY
F
ILTERING
10
Ω
V
CCA
10
μ
F
.01
μ
F
3.3V or 2.5V
.01
μ
F
V
CC
Figure 2. C
RYSTAL
I
NPU
t I
NTERFACE
C
RYSTAL
I
NPUT
I
NTERFACE
The ICS843071I has been characterized with 18pF parallel
resonant crystals. The capacitor values, C1 and C2, shown in
Figure 2
below were determined using an 18pF parallel reso-
nant crystal and were chosen to minimize the ppm error. The
optimum C1 and C2 values can be slightly adjusted for differ-
ent board layouts.
ICS843071I
XTAL_IN
XTAL_OUT
X1
18pF Parallel Crystal
C2
22p
C1
22p
相關(guān)PDF資料 |
PDF描述 |
|---|---|
| ICS843071AGILF | FEMTOCLOCKS⑩ CRYSTAL-TO- LVPECL CLOCK GENERATOR |
| ICS843071AGILFT | FEMTOCLOCKS⑩ CRYSTAL-TO- LVPECL CLOCK GENERATOR |
| ICS843071AGIT | FEMTOCLOCKS⑩ CRYSTAL-TO- LVPECL CLOCK GENERATOR |
| ICS843071I | FEMTOCLOCKS⑩ CRYSTAL-TO- LVPECL CLOCK GENERATOR |
| ICS843081AGI-01 | FEMTOCLOCKS⑩ CRYSTAL-TO-3.3V, 2.5V LVPECL CLOCK MULTIPLIER |
相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| ICS843071AGILF | 功能描述:IC CLOCK GENERATOR LVPECL 8TSSOP RoHS:是 類別:集成電路 (IC) >> 時(shí)鐘/計(jì)時(shí) - 時(shí)鐘發(fā)生器，PLL，頻率合成器 系列:HiPerClockS™, FemtoClock™ 標(biāo)準(zhǔn)包裝:1,000 系列:- 類型:時(shí)鐘/頻率合成器，扇出分配 PLL:- 輸入:- 輸出:- 電路數(shù):- 比率 - 輸入:輸出:- 差分 - 輸入:輸出:- 頻率 - 最大:- 除法器/乘法器:- 電源電壓:- 工作溫度:- 安裝類型:表面貼裝 封裝/外殼:56-VFQFN 裸露焊盤 供應(yīng)商設(shè)備封裝:56-VFQFP-EP（8x8） 包裝:帶卷 (TR) 其它名稱:844S012AKI-01LFT |
| ICS843071AGILFT | 功能描述:IC CLOCK GENERATOR LVPECL 8TSSOP RoHS:是 類別:集成電路 (IC) >> 時(shí)鐘/計(jì)時(shí) - 時(shí)鐘發(fā)生器，PLL，頻率合成器 系列:HiPerClockS™, FemtoClock™ 標(biāo)準(zhǔn)包裝:1,000 系列:- 類型:時(shí)鐘/頻率合成器，扇出分配 PLL:- 輸入:- 輸出:- 電路數(shù):- 比率 - 輸入:輸出:- 差分 - 輸入:輸出:- 頻率 - 最大:- 除法器/乘法器:- 電源電壓:- 工作溫度:- 安裝類型:表面貼裝 封裝/外殼:56-VFQFN 裸露焊盤 供應(yīng)商設(shè)備封裝:56-VFQFP-EP（8x8） 包裝:帶卷 (TR) 其它名稱:844S012AKI-01LFT |
| ICS843071AGIT | 制造商:ICS 制造商全稱:ICS 功能描述:FEMTOCLOCKS⑩ CRYSTAL-TO- LVPECL CLOCK GENERATOR |
| ICS8430-71B | 制造商:ICS 制造商全稱:ICS 功能描述:700MHZ, LOW JITTER, CRYSTAL INTERFACE / LVCMOS-TO-3.3V LVPECL FREQUENCY SYNTHESIZER |
| ICS843071I | 制造商:ICS 制造商全稱:ICS 功能描述:FEMTOCLOCKS⑩ CRYSTAL-TO- LVPECL CLOCK GENERATOR |
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