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參數(shù)資料
| 型號： | IMISM532AXB |
| 英文描述： | Miscellaneous Clock Generator |
| 中文描述： | 雜項時鐘發(fā)生器 |
| 文件頁數(shù)： | 5/14頁 |
| 文件大?。?/td> | 133K |
| 代理商： | IMISM532AXB |
+/+
YJGP VKOKPI KU ETKVKECN
SM532
Approved Product
Low EMI Sprectum Spread Clock
International Microcircuits,Inc.
525 Los Coches St., Milpitas, 95035 408-263-6300, FAX 408-263-6571
http:/www.imicorp.com
8/31/98
Rev. 1.4
Page 5 of 14
Timing Characteristics
Characteristic
Symbol
tTLH
tTHL
tTLH
tTHL
tTLH
tTHL
tTLH
tTHL
TsymF1
tj1s
Min
3.3
2.1
0.7
0.6
4.8
2.9
1.6
1.1
45
-
Typ
3.5
2.3
0.75
0.7
5.0
3.2
1.75
1.3
50
250
Max
3.8
2.5
0.8
0.8
5.4
3.4
1.9
1.5
55
500
Units
ns
ns
ns
ns
ns
ns
ns
ns
%
ps
Output Rise Time Measured at 10% - 90% @ 5 VDC
Output Fall Time Measured at 10% - 90% @ 5 VDC
Output Rise Time Measured at 0.8V - 2.0V @ 5 VDC
Output Fall Time Measured at 0.8V - 2.0 V @ 5 VDC
Output Rise Time Measured at 10% - 90% @ 3.3 VDC
Output Fall Time Measured at 10% - 90% @ 3.3 VDC
Output Rise Time Measured at 0.8V - 2.0V @ 3.3 VDC
Output Fall Time Measured at 0.8V - 2.0 V @ 3.3 VDC
Output Duty Cycle
Peak-to Peak Jitter One Sigma (SSON = 1)
Measurements performed at VDD = 3.3V +/-5% and 5V +/-10%, TA = 0
°
C to 70
°
C, CL = 15pF, Fout = 50.0 MHz.
Table 4.
FREQUENCY SELECTION TABLE
The following table provides the necessary information for setting the control lines for proper operation of the
SM532 and for any frequency within its operating range. Note that the table includes operating frequencies at 3.3
and 5.0 VDC. The 3.3 VDC columns are lower in frequency than the 5.0 VDC operation due to the characteristics
of the VCO.
VDD = 5
Volts
Fout/
Fin
X
Note
1
2
4
+/- 10%
Fout (Range)
(MHz)
MIN
VDD = 3.3
Fin (Range)
(MHz)
MIN
Volts
Fout/
Fin
X
Note
1
2
4
+/- 5%
Fout (Range)
(MHz)
MIN
Fin (Range)
(MHz)
MIN
Multiplier
Settings
S1
0
0
1
1
Input Range
Settings
R1
X
0
0
0
MAX
See
30
30
30
MAX
S0
0
1
0
1
R0
X
1
1
1
MAX
See
22.5
22.5
22.5
MAX
14
14
14
14
28
56
30
60
120
14
14
14
14
28
56
22.5
45
90
30
30
30
60
60
60
0.5
1
2
15
30
60
30
60
120
0
1
1
1
0
1
1
1
1
0
0
0
25
25
25
45
45
45
0.5
1
2
12.5
25
50
22.5
45
90
60
60
60
120
120
120
0.25
0.5
1
Note:
Selects Power Down state, see table 7. X = don’t care condition.
Table 5. Frequency Selection Table
15
30
60
30
60
120
0
1
1
1
0
1
1
1
1
1
1
1
50
50
50
90
90
90
0.25
0.5
1
12.5
25
50
22.5
45
90
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