參數(shù)資料
型號(hào)： 74ACT541B
廠商： 意法半導(dǎo)體
英文描述： OCTAL BUS BUFFER WITH 3 STATE OUTPUTS NON INVERTED
中文描述： 八路總線緩沖器與三態(tài)輸出的非反相
文件頁(yè)數(shù)： 3/8頁(yè)
文件大?。?/td> 62K
代理商： 74ACT541B
DC SPECIFICATIONS
Symbol
Parameter
Test Conditions
Value
Unit
V
CC
(V)
T
A
= 25
o
C
Min.
Typ.
2.0
2.0
-40 to 85
o
C
Min.
2.0
2.0
Max.
Max.
V
IH
High Level Input Voltage
4.5
5.5
4.5
5.5
4.5
5.5
4.5
5.5
4.5
5.5
4.5
5.5
5.5
5.5
V
O
=0.1Vor
V
CC
-0.1V
1.5
1.5
1.5
1.5
4.49
5.49
V
V
IL
Low Level Input Voltage
V
O
=0.1Vor
V
CC
-0.1V
0.8
0.8
0.8
0.8
V
V
OH
High Level Output
Voltage
V
I(*)
=
V
IH
or
V
IL
I
O
=-50
μ
A
I
O
=-50
μ
A
I
O
=-24mA
I
O
=-24mA
I
O
=50
μ
A
I
O
=50mA
I
O
=24mA
I
O
=24mA
4.4
5.4
3.86
4.86
4.4
5.4
3.76
4.76
V
V
OL
Low Level Output
Voltage
V
I(*)
=
V
IH
or
V
IL
0.001
0.001
0.1
0.1
0.36
0.36
±
0.1
±
0.5
0.1
0.1
0.44
0.44
±
1
±
5
V
I
I
Input Leakage Current
3 State Output Leakage
Current
Max I
CC
/Input
Quiescent Supply
Current
Dynamic Output Current
(note 1, 2)
V
I
=V
CC
orGND
V
I
=V
IH
orV
IL
V
O
=V
CC
orGND
V
I
=V
CC
-2.1V
V
I
=V
CC
orGND
μ
A
μ
A
I
OZ
I
CCT
I
CC
5.5
5.5
0.6
1.5
40
mA
μ
A
4
I
OLD
I
OHD
5.5
V
OLD
=1.65V max
V
OHD
=3.85Vmin
75
-75
mA
mA
1)Maximumtestduration 2ms,oneoutput loaded attime
2)Incident waveswitchingisguaranteed ontransmission lineswithimpedances aslowas50
.
CAPACITIVE CHARACTERISTICS
Symbol
Parameter
Test Conditions
Value
Unit
V
CC
(V)
T
A
= 25
o
C
Min.
Typ.
-40 to 85
o
C
Min.
Max.
Max.
C
IN
C
PD
Input Capacitance
Power Dissipation
Capacitance (note 1)
1)C
PD
isdefined asthevalueoftheIC’sinternal equivalent capacitance whichiscalculated fromtheoperatingcurrent consumption without load.(Refer to
TestCircuit).Average operating current canbeobtained bythefollowingequation. I
CC
(opr)= C
PD
V
CC
f
IN
+I
CC
/8(per circuit)
5.0
5.0
4
22
pF
pF
AC ELECTRICAL CHARACTERISTICS
(C
L
= 50 pF, R
L
= 500
, Input t
r
= t
f
=3 ns)
Symbol
Parameter
Test Condition
Value
Unit
V
CC
(V)
5.0
(*)
T
A
= 25
o
C
Min.
Typ.
1.5
-40 to 85
o
C
Min.
1.5
Max.
6.5
Max.
7.15
t
PLH
t
PHL
t
PZL
t
PZH
t
PLZ
t
PHZ
Propagation Delay Time
5
ns
Output Enable Time
5.0
(*)
1.5
6
7.8
1.5
8.5
ns
Output Disable Time
5.0
(*)
1.5
6
7.8
1.5
8.5
ns
(*) Voltagerangeis5V
±
0.5V
74ACT541
3/8
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