M54HC374K1 View Datasheet(PDF) - STMicroelectronics
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M54HC374K1 Datasheet PDF : 11 Pages
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M54HC374
Table 6: AC Electrical Characteristics (CL = 50 pF, Input tr = tf = 6ns)
Symbol
Parameter
tTLH tTHL Output Transition
Time
tPLH tPHL Propagation Delay
Time
(CLOCK - Q)
tPZL tPZH High Impedance
Output Enable
Time
tPLZ tPHZ High Impedance
Output Disable
Time
fMAX Maximum Clock
Frequency
tW(L) Minimum Pulse
tW(H) Width (CLOCK)
ts Minimum Set-up
Time
th Minimum Hold
Time
Test Condition
VCC CL
(V) (pF)
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
6.0
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
Value
TA = 25°C
-40 to 85°C -55 to 125°C Unit
Min.
6.2
31
37
Typ.
25
7
6
45
15
13
60
20
17
39
13
11
54
18
15
30
14
13
18
75
90
15
6
6
25
6
4
Max.
60
12
10
140
28
24
190
38
32
135
27
23
185
37
31
125
25
21
75
15
13
75
15
13
0
0
0
Min.
5
25
30
Max.
75
15
13
175
35
30
240
48
41
170
34
29
230
46
39
155
31
26
95
19
16
95
19
16
0
0
0
Min. Max.
90
18
15
210
42
36
285
57
48
205
41
35
280
56
48
190
38
32
4.2
21
25
110
22
19
110
22
19
0
0
0
ns
ns
ns
ns
ns
ns
MHz
ns
ns
ns
Table 7: Capacitive Characteristics
Test Condition
Value
Symbol
Parameter
VCC
(V)
CIN
COUT
CPD
Input Capacitance
Output
Capacitance
Power Dissipation
Capacitance (note
1)
TA = 25°C
-40 to 85°C -55 to 125°C Unit
Min. Typ. Max. Min. Max. Min. Max.
5 10
10
10 pF
10
pF
47
pF
1) 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 operating current can be obtained by the following equation. ICC(opr) = CPD x VCC x fIN + ICC/8 (per Flip
Flop) and the CPD when n pcs of Flip Flop operate, can be gained by the following equation: CPD(TOTAL) = 30 + 17 x n (pF)
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