M74HC590 查看數據表（PDF） - STMicroelectronics
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M74HC590 Datasheet PDF : 14 Pages
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M54/M74HC590
AC ELECTRICAL CHARACTERISTICS (CL = 50 pF, Input tr = tf = 6 ns)
Symbol
Parameter
tTLH Output Transition
tTHL Time (Qn)
tTLH Output Transition
tTHL Time (RCO)
tPLH Propagation
tPHL Delay Time
(CCK - RCO)
tPLH Propagation
Delay Time
(CCLR - RCO)
tPLH Propagation
tPHL Delay Time
(RCK - Q)
tPZL Output Enable
tPZH Time
tPLZ Output Disable
tPHZ Time
fMAX Maximum Clock
Frequency
tW(L)
tW(H)
tW(L)
ts
Minimum Pulse
Width
(CCK, RCK)
Minimum Pulse
Width
(CCLR)
Minimum Set-up
Time
(CCKEN - CCK)
Test Conditions
VCC CL
(V) (pF)
2.0
4.5 50
6.0
2.0
4.5 50
6.0
2.0
4.5 50
6.0
2.0
4.5 50
6.0
2.0
4.5 50
6.0
2.0
4.5 150
6.0
2.0
4.5 50 RL = 1 KΩ
6.0
2.0
4.5 150 RL = 1 KΩ
0
2.0
4.5 50 RL = 1 KΩ
6.0
2.0
4.5 50
6.0
2.0
4.5 50
6.0
2.0
4.5 50
6.0
2.0
4.5 50
6.0
TA = 25 oC
54HC and 74HC
Min. Typ. Max.
25 60
7
12
6
10
30 75
8
15
7
13
56 165
19 33
16 28
53 175
21 35
18 30
48 145
17 29
14 25
60 185
21 37
18 31
39 105
13 21
11 18
51 135
17 27
14 23
28 105
14 21
12 18
6.6 13
33 52
39 61
36 100
9
20
8
17
32 75
8
15
7
13
44 100
11 20
9
17
Value
-40 to 85 oC -55 to 125 oC
74HC
54HC
Min. Max. Min. Max.
75
90
15
18
13
15
95
115
19
23
16
20
205
250
41
50
35
43
220
265
44
53
37
45
180
220
36
44
31
37
230
280
46
56
39
48
130
160
26
32
22
27
170
205
34
41
29
35
130
160
26
32
22
27
5.2
4.4
26
22
31
26
125
145
25
29
21
25
95
110
19
22
16
19
125
150
25
30
21
26
Unit
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
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