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ELECTRICALCHARACTERISTICS
SN74ALVCH32973
16-bitbustransceiverandtransparentd-typelatch
WITHEIGHTINDEPENDENTBUFFERS
SCES436C–APRIL2003–REVISEDSEPTEMBER2004
overrecommendedoperatingfree-airtemperaturerange(unlessotherwisenoted)
PARAMETERTESTCONDITIONSV
CC
MINTYP
(1)
MAXUNIT
I
OH
=-100
µ
a1.65vto3.6vv
CC
-0.2
I
OH
=-4ma1.65v1.2
I
OH
=-6ma2.3v2
V
OH
2.3v1.7v
I
OH
=-12ma2.7v2.2
3v2.4
I
OH
=-24ma3v2
I
OL
=100
µ
a1.65vto3.6v0.2
I
OL
=4ma1.65v0.45
I
OL
=6ma2.3v0.4
V
OL
V
2.3v0.7
I
OL
=12mA
2.7v0.4
I
OL
=24ma3v0.55
I
I
V
I
=V
CC
orgnd3.6v
±
5
µ
一个
V
I
=0.57v1.65v25
I
BHL
(2)
V
I
=0.7v2.3v45
µ
一个
V
I
=0.8v3v75
V
I
=1.07v1.65v-25
I
BHH
(3)
V
I
=1.7v2.3v-45
µ
一个
V
I
=2v3v-75
1.95v200
I
BHLO
(4)
V
I
=0toV
CC
2.7v300
µ
一个
3.6v500
1.95v-200
I
BHHO
(5)
V
I
=0toV
CC
2.7v-300
µ
一个
3.6v-500
I
OZ
(6)
V
O
=V
CC
orgnd3.6v
±
10
µ
一个
I
CC
V
I
=V
CC
orgnd,i
O
=03.6v60
µ
一个
∆
I
CC
OneinputatV
CC
-0.6v,otherinputsatv
CC
orgnd3vto3.6v750
µ
一个
Controlinputs3
C
i
V
I
=V
CC
orgnd3.3vpf
D4
aports4.5
C
io
V
O
=V
CC
orgnd3.3vpf
bports4.5
C
o
QV
O
=V
CC
orgnd3.3v3pf
(1)alltypicalvaluesareatv
CC
=3.3v,t
一个
=25
°
c.
(2)thebus-holdcircuitcansinkatleasttheminimumlowsustainingcurrentatv
IL
最大值.i
BHL
shouldbemeasuredafterloweringV
在
toGND
andthenraisingittoV
IL
最大值
(3)thebus-holdcircuitcansourceatleasttheminimumhighsustainingcurrentatv
IH
最小值.i
BHH
shouldbemeasuredafterraisingV
在
toV
CC
andthenloweringittoV
IH
最小值
(4)anexternaldrivermustsourceatleasti
BHLO
toswitchthisnodefromlowtohigh.
(5)anexternaldrivermustsinkatleasti
BHHO
toswitchthisnodefromhightolow.
(6)fori/oports,theparameteri
OZ
includestheinputleakagecurrent.
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