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參數資料
| 型號： | CY25901SC-1T |
| 廠商： | CYPRESS SEMICONDUCTOR CORP |
| 元件分類： | XO, clock |
| 英文描述： | Spread Spectrum Clock Generator |
| 中文描述： | 44 MHz, OTHER CLOCK GENERATOR, PDSO8 |
| 封裝： | 0.150 INCH, SOIC-8 |
| 文件頁數： | 1/5頁 |
| 文件大小： | 87K |
| 代理商： | CY25901SC-1T |
Spread Spectrum Clock Generator
CY25901
Cypress Semiconductor Corporation
Document #: 38-07521 Rev. **
3901 North First Street
San Jose
,
CA 95134
408-943-2600
Revised February 18, 2003
Features
Supports clock requirements for Spread Spectrum
40-MHz Spread Spectrum clock output
Reference clock output
Two spread bandwidths: 1%, 3%
External clock or Cera-Lock input
3.3V operation
8-pin SOIC package
Description
The CY25901 clock generator provides a low-electromagnetic
interference (EMI) clock output. It features Spread Spectrum
technology, a modulation technique designed specifically for
reducing EMI at the fundamental frequency and its harmonics.
Table 1. Function Table
SSSEL
0
1
X (don
’
t care)
SSON
0
0
1
REFOUT
XIN
XIN
XIN
CLKOUT (Spread Spectrum)
CY25901SC
= XIN ± 0.35% (0.7% center)
= XIN ± 1.20% (2.4% center)
= XIN (No Spread)
CY25901SC-1
= XIN ± 0.5% (1.0% center)
= XIN ± 1.5% (3.0% center)
= XIN (No Spread)
Block Diagram
Pin Configuration
Oscillator
PLL
SSCG
XIN
XOUT
SSSEL
REFOUT
CLKOUT
SSON
CLKOUT
VDD
VSS
XIN
SSON#
REFOUT
SSSEL
XOUT
1
2
3
4
8
7
6
5
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相關代理商/技術參數 |
參數描述 |
|---|---|
| CY25901SCT | 制造商:CYPRESS 制造商全稱:Cypress Semiconductor 功能描述:Spread Spectrum Clock Generator |
| CY25901SXC | 制造商:Cypress Semiconductor 功能描述:SPREAD SPECTRUM CLOCK GEN 25901 |
| CY25901SXC-1 | 功能描述:鎖相環 - PLL Reduction SSCGs COM RoHS:否 制造商:Silicon Labs 類型:PLL Clock Multiplier 電路數量:1 最大輸入頻率:710 MHz 最小輸入頻率:0.002 MHz 輸出頻率范圍:0.002 MHz to 808 MHz 電源電壓-最大:3.63 V 電源電壓-最小:1.71 V 最大工作溫度:+ 85 C 最小工作溫度:- 40 C 封裝 / 箱體:QFN-36 封裝:Tray |
| CY25901SXC-1T | 功能描述:鎖相環 - PLL Reduction SSCGs COM RoHS:否 制造商:Silicon Labs 類型:PLL Clock Multiplier 電路數量:1 最大輸入頻率:710 MHz 最小輸入頻率:0.002 MHz 輸出頻率范圍:0.002 MHz to 808 MHz 電源電壓-最大:3.63 V 電源電壓-最小:1.71 V 最大工作溫度:+ 85 C 最小工作溫度:- 40 C 封裝 / 箱體:QFN-36 封裝:Tray |
| CY25901SXC-T | 制造商:Cypress Semiconductor 功能描述: |
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