SY87700ALHG 查看數據表（PDF） - Micrel
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SY87700ALHG Datasheet PDF : 16 Pages
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Micrel, Inc.
SY87700AL
.
Frequency Selection Table
FREQSEL1
0
FREQSEL2
1
FREQSEL3
1
fVCO/fRCLK
6
fRCLK Data Rates (Mbps)
125 to 208
1
0
0
8
94 to 156
1
0
1
12
63 to 104
1
1
0
16
47 to 78
1
1
1
24
32 to 52
0
1
0
—
undefined
0
0
X(2)
—
undefined
Notes:
1. SY87700AL operates from 32MHz to 208MHz. For higher speed applications, the SY87701AL operates from 28MHz to 1300MHz.
2. X is a DON’T CARE.
Reference Frequency Selection
DIVSEL1
0
0
1
1
DIVSEL2
0
1
0
1
fRCLK/fREFCLK
8
10
16
20
Loop Filter Components(1)
R5 = 350Ω
C3 = 1.0µF (X7R Dielectric)
Note:
1. Suggested values. Values may vary for different applications.
R5 = 680Ω
C3 = 1.0µF (X7R Dielectric)
August 2009
8
M9999-082009-D
hbwhelp@micrel.com or (408) 955-1690
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