參數(shù)資料
型號(hào): ICS950220YFLFT
英文描述: Programmable Timing Control Hub⑩ for P4⑩
中文描述: 可編程定時(shí)控制中心,為小四至⑩⑩
文件頁(yè)數(shù): 17/20頁(yè)
文件大?。?/td> 183K
代理商: ICS950220YFLFT
17
Integrated
Circuit
Systems, Inc.
ICS950220
0467F—07/28/05
All 3V66 clocks are to be in pphase with each other. 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.
3V66 & PCI Phase Relationship
3V66 (1:0)
3V66 (4:2)
3V66_5
PCICLK_F (2:0) PCICLK (6:0)
Tpci
Group Skews at Common Transition Edges
GROUP
SYMBOL
3V66
CONDITIONS
MIN
0
TYP
MAX
500
UNITS
ps
3V66
3V66 (5:0) pin to pin skew
PCI
PCI
PCI_F (2:0) and PCI (6:0) pin to pin skew
0
500
ps
3V66 to PCI
1
Guaranteed by design, not 100% tested in production.
S
3V66-PCI
3V66 (5:0) leads 33MHz PCI
1.5
3.5
ns
PD# Functionality
#
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1
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6
6
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6
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6
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6
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