M74HC181 查看數據表（PDF） - STMicroelectronics
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M74HC181 Datasheet PDF : 15 Pages
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M74HC181
AC ELECTRICAL CHARACTERISTICS (CL = 50 pF, Input tr = tf = 6ns)
Test Condition
Value
Symbol
Parameter
VCC
(V)
tTLH tTHL Output Transition 2.0
Time
4.5
6.0
tPLH tPHL Propagation Delay 2.0
Time
4.5
(1)
6.0
tPLH tPHL Propagation Delay 2.0
Time
4.5
(2)
6.0
tPLH tPHL Propagation Delay 2.0
Time
4.5
(3)
6.0
tPLH tPHL Propagation Delay 2.0
Time
4.5
(4)
6.0
tPLH tPHL Propagation Delay 2.0
Time
4.5
(5)
6.0
tPLH tPHL Propagation Delay 2.0
Time
4.5
(6)
6.0
tPLH tPHL Propagation Delay 2.0
Time
4.5
(7)
6.0
tPLH tPHL Propagation Delay 2.0
Time
4.5
(8)
6.0
tPLH tPHL Propagation Delay 2.0
Time
4.5
(9)
6.0
tPLH tPHL Propagation Delay 2.0
Time
4.5
(10)
6.0
tPLH tPHL Propagation Delay 2.0
Time
4.5
(11)
6.0
tPLH tPHL Propagation Delay 2.0
Time
4.5
(12)
6.0
RL = 1KΩ
TA = 25°C
-40 to 85°C -55 to 125°C Unit
Min. Typ. Max. Min. Max. Min. Max.
30 75
95
110
8 15
19
22 ns
7 13
16
19
54 120
150
170
16 24
30
45 ns
13 20
26
35
90 215
270
300
26 43
54
65 ns
20 37
46
55
97 215
270
300
27 43
54
65 ns
21 37
46
60
80 180
225
250
23 36
45
60 ns
18 31
38
50
81 190
240
260
24 38
48
60 ns
19 32
41
50
80 180
225
240
23 36
45
55 ns
18 31
38
50
80 170
215
230
23 34
43
50 ns
18 29
37
48
80 170
215
230
23 34
43
56 ns
18 29
37
50
95 220
275
290
27 44
55
65 ns
21 37
47
60
95 220
275
285
27 44
55
70 ns
21 37
47
65
86 200
250
260
24 40
50
65 ns
18 34
43
60
92 210
265
280
27 42
53
60 ns
27 36
45
55
7/15
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