M74HC390 데이터 시트보기 (PDF) - STMicroelectronics
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M74HC390 Datasheet PDF : 17 Pages
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Electrical characteristics
M74HC390
Table 7. AC electrical characteristics (CL = 50 pF, Input tr = tf = 6ns)
Test condition
Value
Symbol
Parameter
VCC
(V)
TA = 25°C
-40 to 85°C -55 to 125°C Unit
Min Typ Max Min Max Min Max
2.0
tTLH tTHL
Output transition
time
4.5
6.0
30 75
95
8 15
19
7 13
16
110
22 ns
19
2.0
tPLH
tPHL
Propagation delay
time
4.5
(CLOCK A - QA)
6.0
42 120
150
14 24
30
12 20
26
180
36 ns
31
Propagation delay 2.0
tPLH time
tPHL (CLOCK A-
4.5
QB,QD)
6.0
45 120
150
15 24
30
13 20
26
180
36 ns
31
2.0
108 280
350
tPLH
tPHL
Propagation delay
time
4.5 QA Connected to CKB
(CLOCK A - QC)
36 56
70
6.0
31 48
60
420
84 ns
71
2.0
tPLH
tPHL
Propagation delay
time
4.5
(CLOCK B - QC) 6.0
72 185
230
24 37
46
20 31
39
280
56 ns
48
Propagation delay 2.0
tPHL time (CLEAR -
4.5
Qn)
6.0
45 125
155
15 25
31
13 21
26
190
38 ns
32
Maximum clock 2.0
fMAX frequency
4.5
(CLOCK A - QA)
6.0
8.4 17
6.8
5.6
42 65
34
28
MHz
50 79
40
33
2.0
Maximum clock
fMAX frequency
4.5
(CLOCK B - QB) 6.0
8.4 17
6.8
5.6
42 67
34
28
MHz
50 79
40
33
2.0
tW(H) Minimum pulse
tW(L) width (CLOCK)
4.5
6.0
24 75
95
6 15
19
5 13
16
110
22 ns
19
2.0
tW(H)
Minimum pulse
width (CLEAR)
4.5
6.0
24 75
95
6 15
19
5 13
16
110
22 ns
19
tREM
2.0
Minimum removal
time
4.5
6.0
25
30
5
6
5
5
35
7 ns
6
10/17
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