參數(shù)資料
型號(hào): SY89531LHZ
廠商: MICREL INC
元件分類: 時(shí)鐘產(chǎn)生/分配
英文描述: 622.08 MHz, OTHER CLOCK GENERATOR, PQFP64
封裝: LEAD FREE, TQFP-64
文件頁數(shù): 4/16頁
文件大?。?/td> 105K
代理商: SY89531LHZ
12
Precision Edge
SY89531L
Micrel, Inc.
M9999-010808
hbwhelp@micrel.com or (408) 955-1690
Rate
FSEL
MSEL
XTAL
Protocol
(MHz)
(Post Divider)
(Feedback Div.)
(MHz)
FOUT
PCI
33
18
36
16.67
33
Fast Ethernet
100
6
40
15
100
1/8 FC
133
6
52
15.36
133
ESCON
200
4
50
16
200
SUGGESTED SELECTIONS FOR SPECIFIC CUSTOMER APPLICATIONS(Notes 1, 2)
Note 1.
600MHz < (XTAL x MSEL) < 1000MHz.
Note 2.
Where two settings provide the user with the identical desired frequency, the setting with the higher input reference frequency (and lower
feedback divider) will usually have lower output jitter. However, the reference input frequency, as well as the VCO frequency, must be kept
within their respective ranges.
FOUT
XTAL MSEL
FSEL
=
×
()
M3
M2
M1
M0
VCO Frequency(1)
0000
Ref
× 34
0001
Ref
× 36
0010
Ref
× 38
0011
Ref
× 40
0100
Ref
× 42
0101
Ref
× 44
0110
Ref
× 48
0111
Ref
× 50
1000
Ref
× 52
1001
Ref
× 54
1010
Ref
× 56
1011
Ref
× 60
1100
Ref
× 62
1101
Ref
× 66
1110
Ref
× 70
1111
Ref
× 72
Note 1.
Ref = Crystal Frequency.
FEEDBACK DIVIDE SELECT TABLE (MSEL)
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