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参数资料
| 型号： | ICS950812YFT |
| 元件分类： | 时钟产生/分配 |
| 英文描述： | 200 MHz, PROC SPECIFIC CLOCK GENERATOR, PDSO56 |
| 封装： | 0.300 INCH, MO-118, SSOP-56 |
| 文件页数： | 16/29页 |
| 文件大小： | 253K |
| 代理商： | ICS950812YFT |
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23
ICS950812
0542H—04/08/05
All 3V66 clocks are to be in phase with each other. All 66MHz_OUT clocks are to be in phase with each other. There is
NO phase relationship between the 3V66 clocks and the 66MHz_OUT and PCI clocks. In the case where 3V66_1 is
configured as 48MHz VCH clock, there is no defined phase relationship between 3V66_1_VCH and other 3V66 clocks.
The PCI group should lag 3V66 by the standard skew described below as Tpci.
The 66MHz_IN to 66MHz_OUT delay is shown in the figure below and is specified to be within a min and max propagation
value.
Buffered Mode - 3V66[0:1], 66MHz_IN, 66MHz_OUT[0:2] and PCI Phase Relationship
Group to Group Skews at Common Transition Edges: Buffered Mode
GROUP
SYMBOL
CONDITIONS
MIN
TYP
MAX
UNITS
66MHz_IN 66MHz_OUT
1,2
Tpd
Propogation delay from
66MHz_IN to 66MHz_OUT (2:0)
2.5
2.9
4.5
ns
66MHz_OUT to PCI
1,2
Tpci
66MHz_OUT (2:0) leads 33 MHz
PCICLK
1.5
3.5
ns
1Guaranteed by design, not 100% tested in production.
2500ps Tolerance
E_PCICLK to PCICLK Skews
GROUP
SYMBOL
CONDITIONS
MIN
TYP
MAX
UNITS
TE_PCI-PCI1
E_PCICLK1 (pin 11)=0
E_PCICLK3 (pin 13)=1
0.3
0.5
0.7
ns
TE_PCI-PCI2
E_PCICLK1 (pin 11)=1
E_PCICLK3 (pin 13)=0
0.8
1.0
1.2
ns
TE_PCI-PCI3
E_PCICLK1 (pin 11)=1
E_PCICLK3 (pin 13)=1
1.3
1.5
1.7
ns
1Guaranteed by design, not 100% tested in production.
E_PCICLK to PCICLK
1
66MHz_IN
66MHz_OUT
3V66
Tpd
Tpci
No Relationship
E_PCICLK (3,1)
Tepci
PCICLK_F (2:0) PCICLK (6:0)
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相关代理商/技术参数 |
参数描述 |
|---|---|
| ICS950812YGLFT | 制造商:ICS 制造商全称:ICS 功能描述:Frequency Generator with 200MHz Differential CPU Clocks |
| ICS950813 | 制造商:ICS 制造商全称:ICS 功能描述:Frequency Generator with 200MHz Differential CPU Clocks |
| ICS950813YFT | 制造商:ICS 制造商全称:ICS 功能描述:Frequency Generator with 200MHz Differential CPU Clocks |
| ICS950813YGT | 制造商:ICS 制造商全称:ICS 功能描述:Frequency Generator with 200MHz Differential CPU Clocks |
| ICS950818 | 制造商:ICS 制造商全称:ICS 功能描述:Frequency Generator with 200MHz Differential CPU Clocks |
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