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參數(shù)資料
| 型號： | ICS843004AG-02T |
| 英文描述： | CRYSTAL-TO-3.3V LVPECL FREQUENCY SYNTHESIZER |
| 中文描述： | 水晶到3.3的LVPECL頻率合成器 |
| 文件頁數(shù)： | 7/12頁 |
| 文件大小： | 185K |
| 代理商： | ICS843004AG-02T |
843004AG-02
www.icst.com/products/hiperclocks.html
REV. A JULY 20, 2005
7
Integrated
Circuit
Systems, Inc.
ICS843004-02
C
RYSTAL
-
TO
-3.3V LVPECL
F
REQUENCY
S
YNTHESIZER
PRELIMINARY
A
PPLICATION
I
NFORMATION
As in any high speed analog circuitry, the power supply pins
are vulnerable to random noise. The ICS843004-02 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 1 illustrates how
a 10
resistor along with a 10μF and a .01
μ
F bypass
capacitor should be connected to each V
CCA
.
P
OWER
S
UPPLY
F
ILTERING
T
ECHNIQUES
F
IGURE
1. P
OWER
S
UPPLY
F
ILTERING
10
V
CCA
10
μ
F
.01
μ
F
3.3V
.01
μ
F
V
CC
I
NPUTS
:
C
RYSTAL
I
NPUT
:
For applications not requiring the use of the crystal oscillator
input, both XTAL_IN and XTAL_OUT can be left floating. Though
not required, but for additional protection, a 1k
resistor can be
tied from XTAL_IN to ground.
T
EST
CLK
INPUT
:
For applications not requiring the use of the test clock, it can be
left floating. Though not required, but for additional protection, a
1k
resistor can be tied from the TEST_CLK to ground.
S
ELECT
P
INS
:
All select pins have internal pull-ups and pull-downs; additional
resistance is not required but can be added for additional
protection. A 1k
resistor can be used.
R
ECOMMENDATIONS
FOR
U
NUSED
I
NPUT
AND
O
UTPUT
P
INS
O
UTPUTS
:
LVPECL O
UTPUT
All unused LVPECL outputs can be left floating. We recommend
that there is no trace attached. Both sides of the differential output
pair should either be left floating or terminated.
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| ICS843004AGI-01 | FEMTOCLOCKS-TM CRYSTAL-TO- 3.3V, 2.5V LVPECL FREQUENCY SYNTHESIZER |
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| ICS843004AGI-01LFT | FEMTOCLOCKS-TM CRYSTAL-TO- 3.3V, 2.5V LVPECL FREQUENCY SYNTHESIZER |
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相關代理商/技術參數(shù) |
參數(shù)描述 |
|---|---|
| ICS843004AG-125LF | 功能描述:IC SYNTHESIZER LVPECL 24TSSOP 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™, FemtoClock™ 標準包裝:1,000 系列:- 類型:時鐘/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 供應商設備封裝:56-VFQFP-EP（8x8） 包裝:帶卷 (TR) 其它名稱:844S012AKI-01LFT |
| ICS843004AG-125LFT | 功能描述:IC SYNTHESIZER LVPECL 24TSSOP 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™, FemtoClock™ 標準包裝:1,000 系列:- 類型:時鐘/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 供應商設備封裝:56-VFQFP-EP（8x8） 包裝:帶卷 (TR) 其它名稱:844S012AKI-01LFT |
| ICS843004AGI | 制造商:ICS 制造商全稱:ICS 功能描述:FEMTOCLOCKS-TM CRYSTAL-TO- 3.3V, 2.5V LVPECL FREQUENCY SYNTHESIZER |
| ICS843004AGI-01 | 制造商:Integrated Device Technology Inc 功能描述:IC SYNTHESIZER LVPECL 24TSSOP |
| ICS843004AGI-01LF | 功能描述:IC SYNTHESIZER LVPECL 24-TSSOP 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™, FemtoClock™ 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 |
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