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M54HC191 数据表(PDF) 6 Page - STMicroelectronics

部件名 M54HC191
功能描述  RAD-HARD 4 BIT SYNCHRONOUS UP/DOWN COUNTERS
PDF  13 Pages
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制造商  STMICROELECTRONICS [STMicroelectronics]
网页  http://www.st.com
标志 STMICROELECTRONICS - STMicroelectronics

M54HC191 数据表(HTML) 6 Page - STMicroelectronics

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AC ELECTRICAL CHARACTERISTICS (CL = 50 pF, Input tr =tf =6ns)
Symbol
Parameter
Test Condition
Value
Unit
VCC
(V)
TA = 25°C
-40 to 85°C
-55 to 125°C
Min.
Typ.
Max.
Min.
Max.
Min.
Max.
tTLH tTHL Output Transition
Time
2.0
30
75
95
110
ns
4.5
8
15
19
22
6.0
7
13
16
19
tPLH tPHL Propagation Delay
Time
(CLOCK - Q)
2.0
92
180
225
270
ns
4.5
23
36
45
54
6.0
20
31
38
46
tPLH tPHL Propagation Delay
Time
(CLOCK - RCO)
2.0
39
120
150
180
ns
4.5
13
24
30
36
6.0
11
20
26
31
tPLH tPHL Propagation Delay
Time (CLOCK -
MAX/MIN)
2.0
120
240
300
360
ns
4.5
30
48
60
72
6.0
26
41
51
61
tPLH tPHL Propagation Delay
Time (LOAD -Q)
2.0
108
205
255
310
ns
4.5
27
41
51
61
6.0
23
35
43
53
tPLH tPHL Propagation Delay
Time (DATA - Q)
2.0
84
175
220
265
ns
4.5
21
35
44
53
6.0
18
30
37
45
tPLH tPHL Propagation Delay
Time (ENABLE -
RCO)
2.0
39
105
130
160
ns
4.5
13
21
26
32
6.0
11
18
22
27
tPLH tPHL Propagation Delay
Time (D/U - RCO)
2.0
63
180
225
270
ns
4.5
21
36
45
54
6.0
18
31
38
46
tPLH tPHL Propagation Delay
Time (D/U -MAX/
MIN)
2.0
64
160
200
240
ns
4.5
18
32
40
48
6.0
15
27
34
41
fMAX
Maximum Clock
Frequency
2.0
6.2
9
4
3.4
MHz
4.5
31
372017
6.0
37
442420
tW(H)
tW(L)
Minimum Pulse
Width (CLOCK)
2.0
40
100
125
150
ns
4.5
10
20
25
30
6.0
9
17
21
26
tW(L)
Minimum Pulse
Width (LOAD)
2.0
36
75
95
110
ns
4.5
9
15
19
22
6.0
8
13
16
19
ts
Minimum Set-up
Time (SI, PI - CK)
2.0
80
175
220
265
ns
4.5
20
35
44
53
6.0
17
30
37
45
ts
Minimum Set-up
Time (S0, S1 - CK)
2.0
16
50
60
75
ns
4.5
4
10
12
15
6.0
3
9
11
13
th
Minimum Hold
Time
2.0
0
0
0
ns
4.5
0
0
0
6.0
0
0
0



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