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TIMINGREQUIREMENTS
SWITCHINGCHARACTERISTICS
SN74ALVCH32973
16-bitbustransceiverandtransparentd-typelatch
WITHEIGHTINDEPENDENTBUFFERS
SCES436C–APRIL2003–REVISEDSEPTEMBER2004
overrecommendedoperatingfree-airtemperaturerange(unlessotherwisenoted)(seefigure1)
V
CC
=2.5vv
CC
=3.3v
V
CC
=1.8v
±
0.2v
±
0.3v
单位
MINMAXMINMAXMINMAX
t
w
pulseduration,lehigh222ns
t
su
setuptime,databeforele
↓
0.90.90.9ns
t
h
holdtime,dataafterle
↓
0.90.90.9ns
overrecommendedoperatingfree-airtemperaturerange(unlessotherwisenoted)(seefigure1)
V
CC
=2.5vv
CC
=3.3v
V
CC
=1.8v
FROMTO
±
0.2v
±
0.3v
PARAMETERUNIT
(输入)(输出)
TYPMINMAXMINMAX
dy2.20.53.20.53
a2.20.53.20.53
t
pd
Qns
le2.80.53.30.53
aorbbora2.20.53.20.53
loeq2.90.74.90.74.7
t
en
toe30.74.60.74.4ns
AorB
dir3.40.74.90.74.7
loeq2.80.54.30.54.1
t
dis
toe3.20.54.30.54.1ns
AorB
dir3.40.54.90.54.7
7