M74HC7294B1R 查看數據表（PDF） - STMicroelectronics
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M74HC7294B1R Datasheet PDF : 11 Pages
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M74HC7294
AC ELECTRICAL CHARACTERISTICS (CL = 50 pF, Input tr = tf = 6ns)
Test Condition
Value
Symbol
Parameter
VCC
(V)
tTLH tTHL Output Transition 2.0
Time (Q)
4.5
6.0
tTLH tTHL Output Transition
2.0
Time (TP)
4.5
6.0
tPLH tPHL Propagation Delay 2.0
Time
4.5
(CLK - Q)
6.0
tPHL Propagation Delay 2.0
Time
4.5
(CLR - Q)
6.0
fMAX Maximum Clock
2.0
Frequency
4.5
6.0
tW(L) Minimum Pulse
2.0
tW(H) Width (CLK)
4.5
6.0
tW(L) Minimum Pulse
2.0
Width (CLR)
4.5
6.0
tREM Minimum Removal 2.0
Time
4.5
6.0
TA = 25°C
-40 to 85°C -55 to 125°C Unit
Min.
6.0
32
38
Typ. Max.
30 75
8 15
7 13
116 225
29 45
25 38
145 330
43 66
37 56
110 260
34 52
29 44
20
64
75
40 75
8 15
7 13
40 100
10 20
9 17
0
0
0
Min.
5
26
31
Max.
95
19
16
280
56
48
415
83
71
325
65
55
95
19
16
125
25
21
0
0
0
Min.
4
21
25
Max.
110
22 ns
19
340
68 ns
57
15 ns
84
390
78 ns
66
MHz
110
22 ns
20
150
30 ns
26
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 5.0
5 10
10
10 pF
CPD Power Dissipation
Capacitance (note 5.0
23
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
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