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參數(shù)資料
| 型號： | 83905AIL |
| 英文描述： | LOW SKEW, 1:6 CRYSTAL INTERFACE-TO LVCMOS/LVTTL FANOUT BUFFER |
| 中文描述： | 低偏移，1:6晶體界面對的LVCMOS / LVTTL扇出緩沖器 |
| 文件頁數(shù)： | 11/16頁 |
| 文件大小： | 219K |
| 代理商： | 83905AIL |
83905AGI
http://www.icst.com/products/hiperclocks.html
REV. B MAY 16, 2005
11
Integrated
Circuit
Systems, Inc.
ICS83905I
L
OW
S
KEW
, 1:6 C
RYSTAL
I
NTERFACE
-
TO
-
LVCMOS / LVTTL F
ANOUT
B
UFFER
A
PPLICATION
I
NFORMATION
C
RYSTAL
I
NPUT
I
NTERFACE
Figure 1Ashows an example of ICS83905I crystal interface with
a parallel resonant crystal. The frequency accuracy can be fine
tuned by adjusting the C1 and C2 values. For a parallel crystal
with loading capacitance CL = 18pF, we suggest C1 = 15pF and
C2 = 15pF to start with. These values may be slightly fine tuned
further to optimize the frequency accuracy for different board lay-
outs. Slightly increasing the C1 and C2 values will slightly reduce
the frequency. Slightly decreasing the C1 and C2 values will slightly
increase the frequency. For the oscillator circuit below, R1 can
be used, but is not required. For new designs, it is recommended
that R1 not be used.
F
IGURE
1. C
RYSTAL
O
SCILLATOR
I
NTERFACE
C1
15p
R1 (optional)
0
X1
18pF Parallel Crystal
C2
15p
XTAL_IN
XTAL_OUT
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| 83905AK | 制造商:Integrated Device Technology Inc 功能描述:PLL CLOCK BFFR SGL 20PIN VFQFN-N - Rail/Tube |
| 83905AK-01LF | 制造商:Integrated Device Technology Inc 功能描述:83905AK-01LF - Rail/Tube |
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| 83905AKLF | 功能描述:時(shí)鐘驅(qū)動器及分配 Low Skew 1:5 Fanout Buffer RoHS:否 制造商:Micrel 乘法/除法因子:1:4 輸出類型:Differential 最大輸出頻率:4.2 GHz 電源電壓-最大: 電源電壓-最小:5 V 最大工作溫度:+ 85 C 封裝 / 箱體:SOIC-8 封裝:Reel |
| 83905AKLFT | 功能描述:時(shí)鐘驅(qū)動器及分配 Low Skew 1:5 Fanout Buffer RoHS:否 制造商:Micrel 乘法/除法因子:1:4 輸出類型:Differential 最大輸出頻率:4.2 GHz 電源電壓-最大: 電源電壓-最小:5 V 最大工作溫度:+ 85 C 封裝 / 箱體:SOIC-8 封裝:Reel |
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