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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： 2/12页
文件大小： 152K
代理商： CY2280PVC-1
CY2280
Document #: 38-07207 Rev. *A
Page 2 of 12
Pin Summary
Name
V
DDPCI
V
DDUSB
V
DDREF
V
DDAPIC
V
DDCPU
AV
DD
V
SS
XTALIN
[1]
XTALOUT
[1]
PCI_STOP
CPU_STOP
PWR_DWN
SEL_SS
N/C
SEL0
SEL1
SEL100
Pins
15, 9
21
48
46
41, 37
33, 19
3, 6, 12, 18, 20, 24, 32, 34, 38, 43 Ground
4
5
31
30
29
28
28
27
26
25
Description
3.3V Digital voltage supply for PCI clocks
3.3V Digital voltage supply for USB clocks
3.3V Digital voltage supply for REF clocks
2.5V Digital voltage supply for APIC clocks
2.5V Digital voltage supply for CPU clocks
Analog voltage supply, 3.3V
Reference crystal input
Reference crystal feedback
Active LOW control input to stop PCI clocks
Active LOW control input to stop CPU clocks
Active LOW control input to power down device
Spread spectrum select input (-11S and -21S options)
Spread spectrum select input (-1 option)
CPU frequency select input, bit 0 (see Function Table)
CPU frequency select input, bit 1 (see Function Table)
CPU frequency select input, selects between 100 MHz and 66.6 MHz
(see Function Table)
CPU clock outputs
PCI clock outputs, at one-half or one-third the CPU frequency of 66.6 MHz
or 100 MHz respectively
Free-running PCI clock output
APIC clock outputs
3.3V Reference clock outputs
USB clock outputs
Reserved
CPUCLK[0:3]
PCICLK[1:7]
40, 39, 36, 35
8, 10, 11, 13, 14, 16, 17
PCICLK_F
APIC[0:1]
REF[0:2]
USBCLK[0:1]
RESERVED
7
45, 44
1, 2, 47
22, 23
42
Note:
LOAD
= 18 pF.
PinConfigurations
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
33
32
31
30
29
28
25
26
27
36
35
34
REF0
REF1
45
44
43
42
41
40
37
38
39
48
47
46
V
SS
XTALIN
XTALOUT
PCICLK_F
V
SS
PCICLK1
V
DDPCI
PCICLK2
PCICLK3
V
SS
PCICLK4
PCICLK5
V
DDPCI
PCICLK7
V
SS
AV
DD
V
SS
V
DDUSB
USBCLK0
USBCLK1
V
SS
V
DDREF
REF2
V
DDAPIC
APIC0
APIC1
V
SS
RESERVED
V
DDCPU
CPUCLK0
CPUCLK1
V
SS
V
DDCPU
CPUCLK2
CPUCLK3
V
SS
AV
DD
V
SS
PCI_STOP
CPU_STOP
PWR_DWN
N/C
SEL0
SEL1
SEL100
PCICLK6
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
33
32
31
30
29
28
25
26
27
36
35
34
REF0
REF1
45
44
43
42
41
40
37
38
39
48
47
46
V
SS
XTALIN
XTALOUT
PCICLK_F
V
SS
PCICLK1
V
DDPCI
PCICLK2
PCICLK3
V
SS
PCICLK4
PCICLK5
V
DDPCI
PCICLK7
V
SS
AV
DD
V
SS
V
DDUSB
USBCLK0
USBCLK1
V
SS
V
DDREF
REF2
V
DDAPIC
APIC0
APIC1
V
SS
RESERVED
V
DDCPU
CPUCLK0
CPUCLK1
V
SS
V
DDCPU
CPUCLK2
CPUCLK3
V
SS
AV
DD
V
SS
PCI_STOP
CPU_STOP
PWR_DWN
SEL_SS
SEL0
SEL1
SEL100
PCICLK6
CY2280-1
CY2280-11S
CY2280-21S
4
4
相关PDF资料
PDF描述
CY2280PVC-11S 100-MHz Pentium II Clock Synthesizer/Driver with Spread Spectrum for Mobile or Desktop PCs
CY2280PVC-21S 100-MHz Pentium II Clock Synthesizer/Driver with Spread Spectrum for Mobile or Desktop PCs
CY2280 100-MHz Pentium II Clock Synthesizer/Driver with Spread Spectrum for Mobile or Desktop PCs
CY2285PVC-2 100-MHz Pentium㈢II Clock Synthesizer/Driver with Spread Spectrum for Mobile PCs
CY2287 100-MHz Spread Spectrum Clock Synthesizer/Driver with USB, Hublink, and SDRAM Support
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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