M74HC374(2001) Просмотр технического описания (PDF) - STMicroelectronics
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M74HC374 Datasheet PDF : 11 Pages
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M74HC374
AC ELECTRICAL CHARACTERISTICS (CL = 50 pF, Input tr = tf = 6ns)
Test Condition
Value
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)
tW(H)
Minimum Pulse
Width (CLOCK)
ts
Minimum Set-up
Time
th Minimum Hold
Time
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
6.0
2.0
4.5 150
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 50
6.0
RL = 1 KΩ
RL = 1 KΩ
RL = 1 KΩ
TA = 25°C
-40 to 85°C -55 to 125°C Unit
Min.
6.2
31
37
Typ. Max.
25 60
7 12
6 10
45 140
15 28
13 24
60 190
20 38
17 32
39 135
13 27
11 23
54 185
18 37
15 31
30 125
14 25
13 21
18
75
90
15 75
6 15
6 13
25 75
6 15
4 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.
4.2
21
25
Max.
90
18 ns
15
210
42 ns
36
285
57 ns
48
205
41 ns
35
280
56 ns
48
190
38 ns
32
MHz
110
22 ns
19
110
22 ns
19
0
0 ns
0
CAPACITIVE CHARACTERISTICS
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.
CIN Input Capacitance
5 10
10
10 pF
COUT
Output
Capacitance
10
pF
CPD Power Dissipation
Capacitance (note
47
pF
1)
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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