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參數資料
| 型號： | SM560 |
| 廠商： | Cypress Semiconductor Corp. |
| 英文描述： | Spread Spectrum Clock Generator |
| 中文描述： | 擴頻時鐘發生器 |
| 文件頁數： | 1/8頁 |
| 文件大小： | 246K |
| 代理商： | SM560 |
Spread Spectrum Clock Generator
SM560
Cypress Semiconductor Corporation
3901 North First Street
San Jose
CA 95134
408-943-2600
Document #: 38-07020 Rev. *E
Revised June 25, 2004
Features
25- to 108-MHz operating frequency range
Wide (9) range of spread selections
Accepts clock and crystal inputs
Low power dissipation
3.3V = 85 mw (50 MHz)
Frequency Spread disable function
Center Spread modulation
Low cycle-to cycle jitter
Eight-pin SOIC package
Applications
VGA controllers
LCD panels and monitors
Printers and multi-function devices (MFP)
Benefits
Peak electromagnetic interference (EMI) reduction
by 8 to 16 dB
Fast time to market
Cost reduction
Block Diagram
Pin Configuration
PD
VCO
1
8
Xin/
CLK
Xout
REFERENCE
DIVIDER
4 pf
8 pF
250 K
FEEDBACK
DIVIDER
MODULATION
CONTROL
DIVIDER
AND MUX
5
2
3
7
VDD
SSCC
SSCLK
VSS
4
6
LF
INPUT
DECODER
LOGIC
S1
S0
CP
1
2
3
4
8
7
6
5
Xin/CLK
VDD
SSCLK
VSS
Xout
S0
S1
SSCC
S
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