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TimingRequirements
TimingRequirements
SwitchingCharacteristics
SwitchingCharacteristics
sn54lvc374a,sn74lvc374a
octaledge-triggeredd-typeflip-flops
with3-stateoutputs
SCAS296N–JANUARY1993–REVISEDMAY2005
overrecommendedoperatingfree-airtemperaturerange(unlessotherwisenoted)(看Figure1)
SN54LVC374A
V
CC
=3.3v
V
CC
=2.7vunit
±0.3v
MINMAXMINMAX
f
时钟
Clockfrequency80100MHz
t
w
pulseduration,clkhighorlow3.33.3ns
t
su
setuptime,databeforeclk
↑
22ns
t
h
holdtime,dataafterclk
↑
1.51.5ns
overrecommendedoperatingfree-airtemperaturerange(unlessotherwisenoted)(看Figure1)
SN74LVC374A
V
CC
=1.8vv
CC
=2.5vv
CC
=3.3v
V
CC
=2.7vunit
±0.15v±0.2v±0.3v
MINMAXMINMAXMINMAXMINMAX
f
时钟
Clockfrequency
(1)(1)
80100MHz
t
w
pulseduration,clkhighorlow
(1)(1)
3.33.3ns
t
su
setuptime,databeforeclk
↑
(1)(1)
22ns
t
h
holdtime,dataafterclk
↑
(1)(1)
1.51.5ns
(1)thisinformationwasnotavailableatthetimeofpublication.
overrecommendedoperatingfree-airtemperaturerange(unlessotherwisenoted)(看Figure1)
SN54LVC374A
FROMTOV
CC
=3.3v
PARAMETERV
CC
=2.7vunit
(输入)(输出)±0.3v
MINMAXMINMAX
f
最大值
80100MHz
t
pd
clkq9.518.5ns
t
en
oeq9.518.5ns
t
dis
OEQ817ns
overrecommendedoperatingfree-airtemperaturerange(unlessotherwisenoted)(看Figure1)
SN74LVC374A
FROMTOV
CC
=1.8vv
CC
=2.5vv
CC
=3.3v
PARAMETERV
CC
=2.7vunit
(输入)(输出)±0.15v±0.2v±0.3v
MINMAXMINMAXMINMAXMINMAX
f
最大值
(1)(1)
80100MHz
t
pd
CLKQ
(1)(1)(1)(1)
8.11.57ns
t
en
OEQ
(1)(1)(1)(1)
8.51.57.5ns
t
dis
OEQ
(1)(1)(1)(1)
7.11.56.5ns
t
sk(o)
1ns
(1)thisinformationwasnotavailableatthetimeofpublication.
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