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M54HC390 数据表(PDF) 7 Page - STMicroelectronics

部件名 M54HC390
功能描述  DUAL DECADE COUNTER
PDF  13 Pages
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制造商  STMICROELECTRONICS [STMicroelectronics]
网页  http://www.st.com
标志 STMICROELECTRONICS - STMicroelectronics

M54HC390 数据表(HTML) 7 Page - STMicroelectronics

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AC ELECTRICAL CHARACTERISTICS (CL =50 pF, Input tr =tf =6 ns)
Symbol
Parameter
Test Conditions
Value
Unit
VCC
(V)
TA =25
oC
54HC and 74HC
-40 to 85
oC
74HC
-55 to 125
oC
54HC
Min.
Typ.
Max.
Min.
Max.
Min.
Max.
tTLH
tTHL
Output Transition
Time
2.0
30
75
95
110
ns
4.5
8
151922
6.0
7
131619
tPLH
tPHL
Propagation
Delay Time
(CLOCK A - QA)
2.0
42
120
150
180
ns
4.5
14
24
30
36
6.0
12
20
26
31
tPLH
tPHL
Propagation
Delay Time
(CLOCK A - QB, QD)
2.0
45
120
150
180
ns
4.5
15
24
30
36
6.0
13
20
26
31
tPLH
tPHL
Propagation
Delay Time
(CLOCK A - QC)
2.0
QA Connected
to CKB
108
280
350
420
ns
4.5
36
56
70
84
6.0
31
48
60
71
tPLH
tPHL
Propagation
Delay Time
(CLOCK B - QC)
2.0
72
185
230
280
ns
4.5
24
37
46
56
6.0
20
31
39
48
tPHL
Propagation
Delay Time
(CLEAR - Qn
2.0
45
125
155
190
ns
4.5
15
25
31
38
6.0
13
21
26
32
fMAX
Maximum Clock
Frequency
(CLOCK A - QA)
2.0
8.4
17
6.8
5.6
ns
4.5
42
65
34
28
6.0
50
79
40
33
fMAX
Maximum Clock
Frequency
(CLOCK B - QB)
2.0
8.4
17
6.8
5.6
ns
4.5
42
67
34
28
6.0
50
79
40
33
tW(H)
tW(L)
Minimum Pulse
Wisth
(CLOCK)
2.0
24
75
95
110
ns
4.5
6
151922
6.0
5
131619
t(W)H
Minimum Pulse
Wisth
(CLEAR)
2.0
24
75
95
110
ns
4.5
6
151922
6.0
5
131619
tREM
Propagation
Delay Time
2.0
25
30
35
ns
4.5
5
6
7
6.0
5
5
6
CIN
Input Capacitance
5
10
10
10
pF
CPD (*)
Power Dissipation
Capacitance
84
pF
(*) CPD is defined as the value of the IC’s internal equivalent capacitance which is calculated from the operating current consumption without load.
(Refer to Test Circuit). Average operting current can be obtained by the following equation. ICC(opr) = CPD
•VCC •fIN +ICC
M54/M74HC390
7/13



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