74HC595 데이터 시트보기 (PDF) - STMicroelectronics
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74HC595 Datasheet PDF : 13 Pages
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M54/M74HC595
AC ELECTRICAL CHARACTERISTICS (CL = 50 pF, Input tr = tf = 6 ns)
Symbol
Parameter
Test Conditions
VCC CL
(V) (pF)
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 (Qn)
4.5 50
25 60
75
90
7
12
15
18
ns
6.0
6
10
13
15
tTLH Output Transition 2.0
tTHL Time (QH’)
4.5 50
30 75
8
15
95
115
19
23
ns
6.0
7
13
16
20
tPLH Propagation
tPHL Delay Time
(SCK - QH’)
2.0
4.5 50
6.0
45 125
155
190
15 25
31
38
ns
13 21
26
32
tPLH Propagation
tPHL Delay Time
(SCLR - QH’)
2.0
4.5 50
6.0
60 175
220
265
18 35
44
53
ns
15 30
37
45
tPLH Propagation
tPHL Delay Time
(RCK - Qn)
2.0
4.5 50
6.0
60 150
190
225
20 30
38
45
ns
17 26
32
38
2.0
4.5 150
75 190
240
285
25 38
48
57
ns
6.0
22 32
41
48
tPZL 3 State Output
2.0
45 135
170
205
tPZH Enable Time
4.5 50 RL = 1 KΩ
15 27
34
41
ns
6.0
13 23
29
35
2.0
60 175
220
265
4.5 150 RL = 1 KΩ
20 35
44
53
ns
6.0
17 30
37
45
tPLZ 3 State Output
2.0
30 150
190
225
tPHZ Disable Time
4.5 50 RL = 1 KΩ
15 30
38
45
ns
6.0
14 26
32
38
fMAX Maximum Clock 2.0
Frequency
4.5 50
6.0 17
4.8
4
30 50
24
20
ns
6.0
35 59
28
24
2.0
4.5 150
5.2 14
4.2
3.4
26 40
21
17
ns
6.0
31 45
25
20
tW(H)
Minimum Pulse
Width
(SCK, RCK)
2.0
4.5 50
6.0
17 75
6
15
6
13
95
110
19
22
ns
16
19
tW(L) Minimum Pulse
Width
(SCLR)
2.0
4.5 50
6.0
20 75
6
15
6
13
95
110
19
22
ns
16
19
ts
Minimum Set-up 2.0
Time
4.5 50
(SI - CCK)
6.0
25 50
65
75
5
10
13
15
ns
4
9
11
13
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