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描述/orderinginformation(持续)
OE
CLK
Y1
1D
C1
CLK
To 17 其它 途径
LE
A1
27
30
28
54
3
SN74ALVCF162835
3.3-vcmos18-bituniversalbusdriver
with3-stateoutputs
SCES397A–JULY2002–REVISEDAUGUST2004
thesn74alvcf162835isafasterversionofthesn74alvc162835.itissuitableforpc133applicationsand,
特别,sdrammodulesclockedat133mhz.
toensurethehigh-impedancestateduringpoweruporpowerdown,oeshouldbetiedtov
CC
throughapullup
电阻;theminimumvalueoftheresistorisdeterminedbythecurrent-sinkingcapabilityofthedriver.
FUNCTIONTABLE
输入
输出
Y
OELECLKA
HXXXZ
LHXLL
LHXHH
LL
↑
LL
LL
↑
HH
LLLorHXY
0
(1)
(1)outputlevelbeforetheindicatedsteady-stateinputconditionswere
established
logicdiagram(positivelogic)
2
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