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參數(shù)資料
| 型號： | ICS84320AY-01T |
| 英文描述： | 780MHZ, CRYSTAL-TO-3.3V DIFFERENTIAL LVPECL FREQUENCY SYNTHESIZER |
| 中文描述： | 支持780MHZ，水晶到3.3V的差分LVPECL頻率合成器 |
| 文件頁數(shù)： | 9/17頁 |
| 文件大?。?/td> | 230K |
| 代理商： | ICS84320AY-01T |
84320AY-01
www.icst.com/products/hiperclocks.html
REV. A AUGUST 24, 2004
9
Integrated
Circuit
Systems, Inc.
ICS84320-01
780MH
Z
, C
RYSTAL
-
TO
-3.3V D
IFFERENTIAL
LVPECL F
REQUENCY
S
YNTHESIZER
A
PPLICATION
I
NFORMATION
As in any high speed analog circuitry, the power supply pins
are vulnerable to random noise. The ICS84320-01 provides
separate power supplies to isolate any high switching
noise from the outputs to the internal PLL. V
, 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 2 illustrates how
a 24
resistor along with a 10
μ
F and a .01
μ
F bypass
capacitor should be connected to each V
CCA
pin.
P
OWER
S
UPPLY
F
ILTERING
T
ECHNIQUES
F
IGURE
2. P
OWER
S
UPPLY
F
ILTERING
24
V
CCA
10
μ
F
.01
μ
F
3.3V
.01
μ
F
V
CC
C
RYSTAL
I
NPUT
I
NTERFACE
A crystal can be characterized for either series or parallel mode
operation. The ICS84320-01 has a built-in crystal oscillator circuit.
This interface can accept either a series or parallel crystal without
additional components and generate frequencies with accuracy
Figure 3. C
RYSTAL
I
NPU
t I
NTERFACE
suitable for most applications. Additional accuracy can be
achieved by adding two small capacitors C1 and C2 as shown in
Figure 3
C2
22p
C1
18p
X1
18pF Parallel Crystal
ICS84320-01
25
24
XTAL1
XTAL2
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相關代理商/技術參數(shù) |
參數(shù)描述 |
|---|---|
| ICS84320AYI-01 | 制造商:ICS 制造商全稱:ICS 功能描述:780MHZ, CRYSTAL-TO-3.3V DIFFERENTIAL |
| ICS84320AYI-01LF | 功能描述:IC FREQ SYNTHESIZER 32TQFP RoHS:是 類別:集成電路 (IC) >> 時鐘/計時 - 時鐘發(fā)生器，PLL，頻率合成器 系列:HiPerClockS™ 標準包裝:27 系列:Precision Edge® 類型:頻率合成器 PLL:是 輸入:PECL，晶體 輸出:PECL 電路數(shù):1 比率 - 輸入:輸出:1:1 差分 - 輸入:輸出:無/是 頻率 - 最大:800MHz 除法器/乘法器:是/無 電源電壓:3.135 V ~ 5.25 V 工作溫度:0°C ~ 85°C 安裝類型:表面貼裝 封裝/外殼:28-SOIC（0.295"，7.50mm 寬） 供應商設備封裝:28-SOIC 包裝:管件 |
| ICS84320AYI-01LFT | 功能描述:IC FREQ SYNTHESIZER 32TQFP RoHS:是 類別:集成電路 (IC) >> 時鐘/計時 - 時鐘發(fā)生器，PLL，頻率合成器 系列:HiPerClockS™ 標準包裝:27 系列:Precision Edge® 類型:頻率合成器 PLL:是 輸入:PECL，晶體 輸出:PECL 電路數(shù):1 比率 - 輸入:輸出:1:1 差分 - 輸入:輸出:無/是 頻率 - 最大:800MHz 除法器/乘法器:是/無 電源電壓:3.135 V ~ 5.25 V 工作溫度:0°C ~ 85°C 安裝類型:表面貼裝 封裝/外殼:28-SOIC（0.295"，7.50mm 寬） 供應商設備封裝:28-SOIC 包裝:管件 |
| ICS84320AYI-01T | 制造商:ICS 制造商全稱:ICS 功能描述:780MHZ, CRYSTAL-TO-3.3V DIFFERENTIAL |
| ICS84320I-01 | 制造商:ICS 制造商全稱:ICS 功能描述:780MHZ, CRYSTAL-TO-3.3V DIFFERENTIAL |
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