M74HC190 查看數據表（PDF） - STMicroelectronics
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M74HC190 Datasheet PDF : 14 Pages
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M74HC190
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
(CLOCK - Q)
6.0
tPLH tPHL Propagation Delay 2.0
Time
4.5
(CLOCK - RCO)
6.0
tPLH tPHL Propagation Delay 2.0
Time (CLOCK -
4.5
MAX/MIN)
6.0
tPLH tPHL Propagation Delay 2.0
Time (LOAD - Q) 4.5
6.0
tPLH tPHL Propagation Delay 2.0
Time (DATA - Q)
4.5
6.0
tPLH tPHL Propagation Delay 2.0
Time (ENABLE - 4.5
RCO)
6.0
tPLH tPHL Propagation Delay 2.0
Time (D/U - RCO) 4.5
6.0
tPLH tPHL Propagation Delay 2.0
Time (D/U - MAX/ 4.5
MIN)
6.0
fMAX Maximum Clock
2.0
Frequency
4.5
6.0
tW(H) Minimum Pulse
2.0
tW(L) Width (CLOCK)
4.5
6.0
tW(L) Minimum Pulse
2.0
Width (LOAD)
4.5
6.0
ts
Minimum Set-up
2.0
Time(SI, PI - CK)
4.5
6.0
ts
Minimum Set-up
2.0
Time(S0, S1 -
4.5
CLOCK)
6.0
TA = 25°C
-40 to 85°C -55 to 125°C Unit
Min.
5
25
30
Typ.
30
8
7
92
23
20
39
13
11
120
30
26
108
27
23
84
21
18
39
13
11
63
21
18
64
18
15
9
37
44
40
10
9
36
9
8
80
20
17
16
4
3
Max.
75
15
13
180
36
31
120
24
20
240
48
41
205
41
35
175
35
30
105
21
18
180
36
31
160
32
27
100
20
17
75
15
13
175
35
30
50
10
9
Min.
4
20
24
Max.
95
19
16
225
45
38
150
30
26
300
60
51
255
51
43
220
44
37
130
26
22
225
45
38
200
40
34
125
25
21
95
19
16
220
44
37
60
12
11
Min.
3.4
17
20
Max.
110
22
19
270
54
46
180
36
31
360
72
61
310
61
53
265
53
45
160
32
27
270
54
46
240
48
41
150
30
26
110
22
19
265
53
45
75
15
13
ns
ns
ns
ns
ns
ns
ns
ns
ns
MHz
ns
ns
ns
ns
6/14
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