M74HC7292B1R 查看數據表（PDF） - STMicroelectronics
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M74HC7292B1R Datasheet PDF : 14 Pages
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M54/M74HC292/7292/294/7294
AC ELECTRICAL CHARACTERISTICS (CL = 50 pF, Input tr = tf = 6 ns)
Symbol
Parameter
Test Conditions
VCC
(V)
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
4.5
(Q)
6.0
30 75
8
15
7
13
95
110
19
22
ns
16
19
tTLH Output Transition 2.0
tTHL Time
4.5
(TP)
6.0
116 225
280
340
29 45
56
68
ns
25 38
48
57
tPLH Propagation
2.0
160 350
440
ns
tPHL Delay Time
4.5 for HC292/7292
46 70
88
105
(CK - Q)
6.0
39 60
75
90
tPLH Propagation
2.0
145 330
415
tPHL Delay Time
4.5 for HC294/7294
43 66
83
(CK - Q)
6.0
37 56
71
15
ns
84
tPHL Propagation
2.0
130 320
400
210
Delay Time
4.5 for HC292/7292
42 64
80
100 ns
(CLR - Q)
6.0
36 54
68
81
tPHL Propagation
2.0
110 260
325
390
Delay Time
4.5 for HC294/7294
34 52
65
78
ns
(CLR - Q)
6.0
29 44
55
66
fMAX Maximum Clock 2.0
5.0 21
4
3.4
Frequency
4.5 for HC292/7292 27 64
22
18
MHz
6.0
32 75
26
21
fMAX Maximum Clock 2.0
6.0 20
5
4
Frequency
4.5 for HC294/7294 32 64
26
21
MHz
6.0
38 75
31
25
tW(H) Minimum Pulse
2.0
tW(L) Width
4.5
(CLOCK)
6.0
40 75
8
15
7
13
95
110
19
22
ns
16
20
tW(L) Minimum Pulse
2.0
48 125
155
190
Width
4.5 for HC292/7292
12 25
31
38
ns
(CLEAR)
6.0
10 21
26
32
tW(L) Minimum Pulse 2.0
40 100
125
150
Width
4.5 for HC294/7294
10 20
25
30
ns
(CLEAR)
6.0
9
17
21
26
tREM Minimum
Removal Time
2.0
4.5 for HC292/7292
5
5
5
5
5
5
ns
6.0
5
5
5
tREM Minimum
Removal Time
2.0
4.5 for HC294/7294
0
0
0
0
0
0
ns
6.0
0
0
0
CIN Input Capacitance
5
10
10
pF
CPD (*) Power Dissipation
for HC292/7292
21
Capacitance
for HC294/7294
23
pF
(*) 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 operting current can be obtained by the following equation. ICC(opr) = CPD •VCC •fIN + ICC
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