M74HC597 查看數據表（PDF） - STMicroelectronics
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M74HC597 Datasheet PDF : 14 Pages
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M74HC597
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
(SCK - QH’)
6.0
tPLH tPHL Propagation Delay 2.0
Time
4.5
(SCLR - QH’)
6.0
tPLH tPHL Propagation Delay 2.0
Time
4.5
(SLOAD - QH’)
6.0
tPLH tPHL Propagation Delay 2.0
Time
4.5
(RCK- QH’)
6.0
fMAX Maximum Clock
2.0
Frequency
4.5
6.0
tW(H) Minimum Pulse
2.0
tW(L) Width (SCK, RCK) 4.5
6.0
tW(L) Minimum Pulse
2.0
Width (SCLR,
4.5
SLOAD)
6.0
ts
Minimum Set-up
2.0
Time (RCK -
4.5
SLOAD)
6.0
ts
Minimum Set-up
2.0
Time (SI, SCK)
4.5
6.0
ts
Minimum Set-up
2.0
Time (PI, RCK)
4.5
6.0
th Minimum Hold
2.0
Time
4.5
6.0
tREM Minimum Removal 2.0
Time
4.5
6.0
SLOAD = "L"
TA = 25°C
-40 to 85°C -55 to 125°C Unit
Min.
6.0
30
35
Typ.
30
8
7
78
20
16
90
24
20
80
22
18
112
30
24
12
48
50
20
7
4
25
7
5
48
12
10
20
5
4
20
5
4
12
4
3
Max.
75
15
13
145
29
25
175
35
30
175
35
30
210
42
36
75
15
13
75
15
13
100
20
17
75
15
13
75
15
13
0
0
0
75
15
13
Min.
4.8
24
28
Max.
95
19
16
180
36
31
220
44
37
220
44
37
265
53
45
95
19
16
95
19
16
125
25
21
95
19
16
95
19
16
0
0
0
95
19
16
Min.
4.0
20
24
Max.
115
23
20
220
44
37
265
53
45
265
53
45
315
63
54
110
22
19
110
22
19
150
30
26
110
22
19
110
22
19
0
0
0
115
23
20
ns
ns
ns
ns
ns
MHz
ns
ns
ns
ns
ns
ns
ns
6/14
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