參數(shù)資料
型號: BXM80526B600256
廠商: INTEL CORP
元件分類: 微控制器/微處理器
英文描述: 64-BIT, 600 MHz, MICROPROCESSOR, CPGA495
封裝: MICRO PGA-495
文件頁數(shù): 81/84頁
文件大?。?/td> 450K
代理商: BXM80526B600256
Mobile Pentium III Processor in BGA2 and Micro-PGA2 Packages Datasheet
Intel Corporation
74
Figure 27. PLL Filter Specifications
0 dB
-28 dB
-34 dB
0.2 dB
forbidden
zone
x dB
forbidden
zone
1 MHz
66 MHz
fcore
fpeak
1 Hz
DC
passband
high frequency
band
x = 20.log[(Vcct-60 mV)/ Vcct]
NOTES:
Diagram is not to scale
No specification for frequencies beyond fcore.
Fpeak, if existent, should be less than 0.05 MHz.
A.3
Recommendation for Mobile Systems
The following LC components are recommended. The tables will be updated as other suitable
components and specifications are identified.
Table 44. PLL Filter Inductor Recommendations
Inductor
Part Number
Value
Tol
SRF
Rated
I
DCR
Min Damping R
needed
L1
TDK MLF2012A4R7KT
4.7
H 10% 35 MHz 30 mA 0.56
(1
max)
0
L2
Murata LQG21N4R7K10 4.7
H 10% 47 MHz 30 mA 0.7 (+/-
50%)
0
L3
Murata LQG21C4R7N00 4.7
H 30% 35 MHz 30 mA 0.3 max
0.2
(assumed)
NOTE:
Minimum damping resistance is calculated from 0.35
– DCRmin. From vendor provided data, L1 and L2 DCRmin is
0.4
and 0.5 respectively, qualifying them for zero required trace resistance. DCRmin for L3 is not known and is
assumed to be 0.15
. There may be other vendors who might provide parts of equivalent characteristics and the
OEMs should consider doing their own testing for selecting their own vendors..
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