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描述/orderinginformation(持续)
gql pACKAGE
(t运算 视图)
J
H
G
F
E
D
C
B
一个
21 3 4 65
K
grd 或者 zrd pACKAGE
(t运算 视图)
J
H
G
F
E
D
C
B
一个
21 3 4 65
SN74LVC16244A
16-bitbuffer/驱动器
with3-stateoutputs
SCAS699–AUGUST2003–REVISEDMARCH2005
thisdeviceisfullyspecifiedforpartial-电源-downapplicationsusingi
止
.thei
止
circuitrydisablestheoutputs,
preventingdamagingcurrentbackflowthroughthedevicewhenitispowereddown.
toensurethehigh-impedancestateduringpoweruporpowerdown,oeshouldbetiedtov
CC
throughapullup
电阻;theminimumvalueoftheresistorisdeterminedbythecurrent-sinkingcapabilityofthedriver.
TERMINALASSIGNMENTS
(1)
123456
一个
1OENCNCNCNC2OE
B
1Y21Y1GNDGND1A11A2
C
1Y41Y3V
CC
V
CC
1A31A4
D
2Y22Y1GNDGND2A12A2
E
2Y42Y32A32A4
F
3Y13Y23A23A1
G
3Y33Y4GNDGND3A43A3
H
4Y14Y2V
CC
V
CC
4A24A1
J
4Y34Y4GNDGND4A44A3
K
4OENCNCNCNC3OE
(1)nc–nointernalconnection
TERMINALASSIGNMENTS
(1)
123456
一个
1Y1NC1OE2OENC1A1
B
1Y31Y1NCNC1A21A3
C
2Y11Y4V
CC
V
CC
1A42A1
D
2Y32Y2GNDGND2A22A3
E
3Y12Y4GNDGND2A43A1
F
3Y33Y2GNDGND3A23A3
G
4Y13Y4V
CC
V
CC
3A44A1
H
4Y34Y2NCNC4A24A3
J
4Y3NC4OE3OENC4A4
(1)nc–nointernalconnection
FUNCTIONTABLE
(each4-bitbuffer)
输入
输出
Y
OEA
LHH
LLL
HXZ
2
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