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OPERATINGCHARACTERISTICS
(1)
SN74ALVCH32973
16-bitbustransceiverandtransparentd-typelatch
WITHEIGHTINDEPENDENTBUFFERS
SCES436C–APRIL2003–REVISEDSEPTEMBER2004
T
一个
=25
°
C
V
CC
=1.8vv
CC
=2.5vv
CC
=3.3v
测试
PARAMETERUNIT
情况
TYPTYPTYP
Onef
一个
=10mhz,
Onef
B
=10mhz,
aoutputsenabled,
toe=地,
qoutputsdisabled,121419
LOE=V
CC
,
oneAoutputswitching
dir=地,
C
L
=0pF
Onef
一个
=10mhz,
Onef
B
=10mhz,
boutputsenabled,
toe=地,
qoutputsdisabled,121421
LOE=V
CC
,
oneBoutputswitching
dir=地,
C
pd
(2)
Powerdissipation
C
L
=0pF
pF
(eachoutput)电容
Onef
一个
=10mhz,
Onef
LE
=20mhz,
qoutputsenabled,
Onef
Q
=10mhz,
aandbi/osisolated,111319
TOE=V
CC
,
oneQoutputswitching
loe=地,
C
L
=0pF
Onef
D
=10mhz,
oneyoutputswitching,onef
Y
=10mhz,
aandbi/osisolated,toe=v
CC
,7812
QoutputsdisabledLOE=V
CC
,
C
L
=0pF
Onef
一个
=10mhz,
aandbi/osisolated,onef
LE
=20mhz,
C
pd
powerdissipationqoutputsdisabled,f
Q
notswitching,
4511pF
(z)capacitanceoneleandoneadatatoe=v
CC
,
inputswitchingLOE=V
CC
,
C
L
=0pF
f
一个
notswitching,
Onef
LE
=20mhz,
aandbi/osisolated,
C
pd
(3)
Powerdissipationf
Q
notswitching,
qoutputsdisabled,679pf
(eachle)capacitancetoe=v
CC
,
oneLEinputswitching
LOE=V
CC
,
C
L
=0pF
(1)totaldevicec
pd
formultiple(m)outputsswitchingand(n)leinputsswitching=[m*c
pd
(eachoutput)]+[n*c
pd
(eachle)]
(2)c
pd
(eachoutput)isthec
pd
foreachdatabit(inputandoutputcircuitry)whenitoperatesat10mhz(便条:theleisoperatingat
20mhzinthistest,butitsi
CC
componenthasbeensubtracted).
(3)c
pd
(eachle)isthec
pd
fortheclockcircuitryonlywhenitoperatesat20mhz.
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