M74HC390 데이터 시트보기 (PDF) - STMicroelectronics
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M74HC390 Datasheet PDF : 13 Pages
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M54/M74HC390
AC ELECTRICAL CHARACTERISTICS (CL = 50 pF, Input tr = tf = 6 ns)
Symbol
Parameter
Test Conditions
VCC
(V)
TA = 25 oC
54HC and 74HC
Value
-40 to 85 oC -55 to 125 oC Unit
74HC
54HC
Min. Typ. Max. Min. Max. Min. Max.
tTLH Output Transition 2.0
tTHL Time
4.5
30 75
8
15
95
110
19
22
ns
6.0
7
13
16
19
tPLH Propagation
2.0
tPHL Delay Time
4.5
(CLOCK A - QA)
6.0
42 120
150
180
14 24
30
36
ns
12 20
26
31
tPLH Propagation
2.0
tPHL Delay Time
4.5
(CLOCK A - QB, QD) 6.0
45 120
150
180
15 24
30
36
ns
13 20
26
31
tPLH Propagation
2.0 QA Connected
108 280
350
420
tPHL Delay Time
4.5
(CLOCK A - QC) 6.0
to CKB
36 56
70
84
ns
31 48
60
71
tPLH Propagation
2.0
tPHL Delay Time
4.5
(CLOCK B - QC) 6.0
72 185
230
280
24 37
46
56
ns
20 31
39
48
tPHL Propagation
2.0
Delay Time
4.5
(CLEAR - Qn
6.0
45 125
155
190
15 25
31
38
ns
13 21
26
32
fMAX Maximum Clock 2.0
Frequency
4.5
(CLOCK A - QA) 6.0
8.4 17
6.8
5.6
42 65
34
28
ns
50 79
40
33
fMAX Maximum Clock 2.0
Frequency
4.5
(CLOCK B - QB) 6.0
8.4 17
6.8
5.6
42 67
34
28
ns
50 79
40
33
tW(H) Minimum Pulse 2.0
tW(L) Wisth
4.5
(CLOCK)
6.0
24 75
6
15
5
13
95
110
19
22
ns
16
19
t(W)H Minimum Pulse 2.0
Wisth
4.5
(CLEAR)
6.0
24 75
6
15
5
13
95
110
19
22
ns
16
19
tREM Propagation
2.0
Delay Time
4.5
25
30
35
5
6
7
ns
6.0
5
5
6
CIN Input Capacitance
5
10
10
10 pF
CPD (*) Power Dissipation
84
Capacitance
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
7/13
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