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| 型號： | ICS8427DY-02 |
| 英文描述： | 500MHZ, LOW JITTER LVCMOS/CRYSTAL-TO-LVHSTL FREQUENCY SYNTHESIZER |
| 中文描述： | 500MHz的低抖動的LVCMOS /水晶到LVHSTL頻率合成器 |
| 文件頁數(shù)： | 12/21頁 |
| 文件大?。?/td> | 258K |
| 代理商： | ICS8427DY-02 |
8427DY-02
www.icst.com/products/hiperclocks.html
REV. A FEBRUARY 17, 2006
12
Integrated
Circuit
Systems, Inc.
ICS8427-02
500MH
Z
, L
OW
J
ITTER
LVCMOS/C
RYSTAL
-
TO
-LVHSTL F
REQUENCY
S
YNTHESIZER
A
PPLICATION
I
NFORMATION
C
RYSTAL
I
NPUT
I
NTERFACE
The ICS8427-02 has been characterized with 18pF parallel
resonant crystals. The capacitor values, C1 and C2, shown in
Figure 3
below were determined using a 16.66MHz, 18pF
Figure 3. C
RYSTAL
I
NPU
t I
NTERFACE
parallel resonant crystal and were chosen to minimize the
ppm error. The optimum C1 and C2 values can be slightly
adjusted for different board layouts.
C1
22p
X1
18pF Parallel Crystal
C2
22p
XTAL_OUT
XTAL_IN
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
Ω
resistor can be tied from XTAL_IN to ground.
TEST_CLK I
NPUT
:
For applications not requiring the use of the test clock, it can
be left floating. Though not required, but for additional
protection, a 1k
Ω
resistor can be tied from the TEST_CLK to
ground.
LVCMOS C
ONTROL
P
INS
:
All control pins have internal pull-ups or pull-downs; additional
resistance is not required but can be added for additional
protection. A 1k
Ω
resistor can be used.
R
ECOMMENDATIONS
FOR
U
NUSED
I
NPUT
AND
O
UTPUT
P
INS
O
UTPUTS
:
LVHSTL O
UTPUT
All unused LVHSTL 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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相關(guān)代理商/技術(shù)參數(shù) |
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| ICS8427DY02L | 制造商:ICS 制造商全稱:ICS 功能描述:500MHZ, LOW JITTER LVCMOS/CRYSTAL-TO-LVHSTL FREQUENCY SYNTHESIZER |
| ICS8427DY-02LF | 功能描述:IC SYNTHESIZER 500MHZ 32-LQFP 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(biāo)準(zhǔn)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(yīng)商設(shè)備封裝:56-VFQFP-EP（8x8） 包裝:帶卷 (TR) 其它名稱:844S012AKI-01LFT |
| ICS8427DY-02LFT | 功能描述:IC SYNTHESIZER 500MHZ 32-LQFP 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(biāo)準(zhǔn)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(yīng)商設(shè)備封裝:56-VFQFP-EP（8x8） 包裝:帶卷 (TR) 其它名稱:844S012AKI-01LFT |
| ICS8427DY-02T | 制造商:ICS 制造商全稱:ICS 功能描述:500MHZ, LOW JITTER LVCMOS/CRYSTAL-TO-LVHSTL FREQUENCY SYNTHESIZER |
| ICS842S104 | 制造商:IDT 制造商全稱:Integrated Device Technology 功能描述:Crystal-to-HSTL 100MHz / 200MHz PCI Express? Clock Synthesizer |
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