参数资料
型号: ICS950218YFLF-T
英文描述: Programmable Timing Control Hub TM for P4 TM
中文描述: 可编程定时控制中心,为小四至商标商标
文件页数: 18/19页
文件大小: 143K
代理商: ICS950218YFLF-T
18
Integrated
Circuit
Systems, Inc.
ICS950218
0466B—03/17/04
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.
Un-Buffered Mode 3V66 & PCI Phase Relationship
3V66
PCICLK_F and PCICLK
Tpci
Group Skews at Common Transition Edges
GROUP
SYMBOL
3V66
3V66
CONDITIONS
3V66 (5:0) pin to pin skew
PCI_F (2:0) and
PCI (6:0) pin to pin skew
3V66 (5:0) leads 33MHz PCI
MIN
0
TYP
MAX
250
UNITS
ps
PCI
PCI
0
500
ps
3V66 to PCI
1
Guaranteed by design, not 100% tested in production.
S
3V66-PCI
1.5
3.5
ns
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