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參數(shù)資料
| 型號： | FS781BZB |
| 英文描述： | MISCELLANEOUS CLOCK GENERATOR|SOP|8PIN|PLASTIC |
| 中文描述： | 雜項時鐘發(fā)生器|?？苵 8引腳|塑料 |
| 文件頁數(shù)： | 11/13頁 |
| 文件大?。?/td> | 103K |
| 代理商： | FS781BZB |
LOW EMI SPECTRUM SPREAD CLOCK
Cypress Semiconductor Corporation
525 Los Coches St.
Milpitas, CA 95035. Tel: 408-263-6300, Fax: 408-263-6571
http://www.cypress.com
Document#: 38-07029 Rev. **
05/07/2001
Page 11 of 13
APPROVED
PRODUCT
FS781/82/84
Application Notes and Schematic
The schematic at the right is configured for the following parameters;
Package selected = FS781
Xin = 20 MHz Crystal
FSOUT = 20 MHz (S0=1 and S1=0)
Bandwidth of the FSOUT clock is
determined by the values of the loop
filter connected to pin 4.
**
** Occasionally, C8 is used to
create a second pole for this loop
filter. Refer to Loop Filter Selection
table.
.
Mount loop filter components as
close to LF pin as possible.
Crystal is 20 MHz is 1st Order
with 18 pF load capacitance.
If Crystal load capacitance is
different than 18 pF, C1 and C2
must be re-calculated.
For third overtone crystals, a
parallel or series resonant trap
is required.
R6
C1
0.1 uF
C2
27 pF
C3
27 pF
Y1
20 MHz
C8
C7
FS781
Xin
1
Xout
2
S1
3
LF
4
VSS
5
FSOUT
6
S0
7
VDD
8
VDD
FSOUT
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相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| FS782 | 制造商:CYPRESS 制造商全稱:Cypress Semiconductor 功能描述:Low EMI Spectrum Spread Clock |
| FS782BT | 制造商:未知廠家 制造商全稱:未知廠家 功能描述:MISCELLANEOUS CLOCK GENERATOR|TSSOP|8PIN|PLASTIC |
| FS782BZB | 制造商:未知廠家 制造商全稱:未知廠家 功能描述:MISCELLANEOUS CLOCK GENERATOR|SOP|8PIN|PLASTIC |
| FS784 | 制造商:CYPRESS 制造商全稱:Cypress Semiconductor 功能描述:Low EMI Spectrum Spread Clock |
| FS784BT | 制造商:未知廠家 制造商全稱:未知廠家 功能描述:MISCELLANEOUS CLOCK GENERATOR|TSSOP|8PIN|PLASTIC |
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