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參數(shù)資料
| 型號(hào)： | IMISM532 |
| 廠(chǎng)商： | Electronic Theatre Controls, Inc. |
| 英文描述： | Low EMI Spectrum Spread Clock |
| 中文描述： | 低EMI擴(kuò)頻時(shí)鐘頻譜 |
| 文件頁(yè)數(shù)： | 6/14頁(yè) |
| 文件大?。?/td> | 132K |
| 代理商： | IMISM532 |
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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 6 of 14
MODULATION AND POWER DOWN SELECTIONS
The bandwidth of the modulation applied to Fout is controlled by two input control lines, S2 and S3. Also, S2 and
S3 control the state the SM532 will go to when the Power Down mode is selected. The Power Down mode is
selected when both S0 and S1 are set to a logic state 0. Refer to the tables below for the proper selection of
Modulation Bandwidth and Power Down state.
Modulation Selection Table
Control Settings
S3
S2
0
0
0
1
1
0
1
1
Table 6. Modulation Selection Table
Spread Percentage
Total Bandwidth
1.25 %
2.50 %
5.00 %
10.0 %
Low
High
99.375 %
98.75 %
97.50 %
95.00 %
100.625%
101.25 %
102.50 %
105.00 %
Power Down Selection Table
S0
0
0
0
0
Table 7. Power Down Selection Table
Fout State
Factory Test
Hi-Z
0
1
S1
0
0
0
0
S2
0
1
0
1
S3
1
1
0
0
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