參數(shù)資料
型號(hào): ICS8302AMLFT
英文描述: LOW SKEW, 1-TO-2 LVCMOS / LVTTL FANOUT BUFFER
中文描述: 低偏移,1對(duì)2的LVCMOS / LVTTL扇出緩沖器
文件頁(yè)數(shù): 14/17頁(yè)
文件大?。?/td> 252K
代理商: ICS8302AMLFT
14
ICS932S203
0601E—12/22/04
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 (1:0)
3V66 (4:2)
3V66_5
PCICLK_F (2:0) PCICLK (6:0)
Tpci
Group Skews at Common Transition Edges: (Un-Buffered Mode)
GROUP
SYMBOL
3V66
PCI
S
3V66-PCI
CONDITIONS
MIN
0
0
1.5
TYP
MAX
500
500
3.5
UNITS
ps
ps
ns
3V66
PCI
3V66 to PCI
1
Guaranteed by design, not 100% tested in production.
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
The impact of asserting the PCI_STOP# signal will be the following. All PCI[6:0] and stoppable PCI_F[2,0] clocks will
latch low in their next high to low transition.
PCI_STOP#
PCI_F[2:0] 33MHz
PCI[6:0] 33MHz
Assertion of PCI_STOP# Waveforms
PCI_STOP# - Assertion (transition from logic "1" to logic "0")
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