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参数资料
| 型号： | CY2280PVC-1 |
| 厂商： | CYPRESS SEMICONDUCTOR CORP |
| 元件分类： | XO, clock |
| 英文描述： | 100-MHz Pentium II Clock Synthesizer/Driver with Spread Spectrum for Mobile or Desktop PCs |
| 中文描述： | 100 MHz, PROC SPECIFIC CLOCK GENERATOR, PDSO48 |
| 封装： | SSOP-48 |
| 文件页数： | 3/12页 |
| 文件大小： | 152K |
| 代理商： | CY2280PVC-1 |
CY2280
Document #: 38-07207 Rev. *A
Page 3 of 12
Function Table (-11S Option)
SEL100
0
0
0
0
0
1
1
1
1
1
SEL1
0
0
1
1
1
0
0
1
1
1
SEL0
0
1
0
1
1
0
1
0
1
1
SEL_SS
[2]
N/A
N/A
N/A
0 (downspread)
1 (no spread)
N/A
N/A
N/A
0 (downspread)
1 (no spread)
CPU/PCI
Ratio
2
2
2
2
2
3
3
3
3
3
CPUCLK
Hi-Z
Reserved
Reserved
66.66 MHz 33.33 MHz
66.66 MHz 33.33 MHz
TCLK/2
Reserved
Reserved
100 MHz
100 MHz
PCICLK_F
PCICLK
Hi-Z
Reserved
Reserved
REF
APIC
USBCLK
Hi-Z
48 MHz
48 MHz
48 MHz
48 MHz
TCLK/2
48 MHz
48 MHz
48 MHz
48 MHz
Hi-Z
14.318 MHz
14.318 MHz
14.318 MHz
14.318 MHz
TCLK
[3]
14.318 MHz
14.318 MHz
14.318 MHz
14.318 MHz
Hi-Z
14.318 MHz
14.318 MHz
14.318 MHz
14.318 MHz
TCLK
[3]
14.318 MHz
14.318 MHz
14.318 MHz
14.318 MHz
TCLK/6
Reserved
Reserved
33.33 MHz
33.33 MHz
Function Table (-21S Option)
SEL100
0
0
0
0
0
1
1
1
1
1
SEL1
0
0
1
1
1
0
0
1
1
1
SEL0
0
1
0
1
1
0
1
0
1
1
SEL_SS
[2]
N/A
N/A
N/A
0 (downspread)
1 (no spread)
N/A
N/A
N/A
0 (downspread)
1 (no spread)
CPU/PCI
Ratio
2
2
2
2
2
3
3
3
3
3
CPUCLK
Hi-Z
Reserved
Reserved
66.66 MHz 33.33 MHz
66.66 MHz 33.33 MHz
TCLK/2
Reserved
Reserved
100 MHz
100 MHz
PCICLK_F
PCICLK
Hi-Z
Reserved
Reserved
REF
APIC
USBCLK
Hi-Z
48 MHz
48 MHz
48 MHz
48 MHz
TCLK/2
48 MHz
48 MHz
48 MHz
48 MHz
Hi-Z
14.318 MHz
14.318 MHz
14.318 MHz
14.318 MHz
TCLK
[3]
14.318 MHz
14.318 MHz
14.318 MHz
14.318 MHz
Hi-Z
Reserved
Reserved
16.67 MHz
16.67 MHz
TCLK/12
[3]
Reserved
Reserved
16.67 MHz
16.67 MHz
TCLK/6
Reserved
Reserved
33.33 MHz
33.33 MHz
Actual Clock Frequency Values
Clock Output
CPUCLK
CPUCLK
USBCLK
Target Frequency
(MHz)
66.67
100
48.0
Actual Frequency
(MHz)
66.654
99.77
48.008
PPM
–
195
–
2346
167
Power Management Logic
CPU_STOP
X
0
0
1
1
PCI_STOP
X
0
1
0
1
PWR_DWN
CPUCLK
Low
Low
Low
Running
Running
PCICLK
Low
Low
Running
Low
Running
PCICLK_F
Low
Running
Running
Running
Running
Other
Clocks
Low
Running
Running
Running
Running
Osc.
Off
Running
Running
Running
Running
PLLs
Off
Running
Running
Running
Running
0
1
1
1
1
Notes:
2.
3.
Target frequency is modulated by percentage shown (max.) when SEL_SS = 0.
TCLK supplied on the XTALIN pin in Test Mode.
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相关代理商/技术参数 |
参数描述 |
|---|---|
| CY2280PVC-11S | 制造商:Silicon Laboratories Inc 功能描述:PLL Clock Synthesizer Dual 48-Pin SSOP |
| CY2280PVC-11ST | 制造商:Cypress Semiconductor 功能描述: |
| CY2280PVC-2 | 制造商:未知厂家 制造商全称:未知厂家 功能描述:CPU System Clock Generator |
| CY2280PVC-21S | 制造商:CYPRESS 制造商全称:Cypress Semiconductor 功能描述:100-MHz Pentium II Clock Synthesizer/Driver with Spread Spectrum for Mobile or Desktop PCs |
| CY2280PVXC-11S | 功能描述:IC CLOCK SYNTH SS 48-SSOP RoHS:是 类别:集成电路 (IC) >> 时钟/计时 - 专用 系列:- 标准包装:1,500 系列:- 类型:时钟缓冲器/驱动器 PLL:是 主要目的:- 输入:- 输出:- 电路数:- 比率 - 输入:输出:- 差分 - 输入:输出:- 频率 - 最大:- 电源电压:3.3V 工作温度:0°C ~ 70°C 安装类型:表面贴装 封装/外壳:28-SSOP（0.209"，5.30mm 宽） 供应商设备封装:28-SSOP 包装:带卷 (TR) 其它名称:93786AFT |
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