74112 데이터 시트보기 (PDF) - STMicroelectronics
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74112 Datasheet PDF : 11 Pages
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M54/M74HC112
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
30 75
8
15
95
110
19
22
ns
6.0
7
13
16
19
tPLH Propagation
2.0
tPHL Delay Time
4.5
(CK - Q, Q)
6.0
52 125
155
190
16 25
31
38
ns
14 21
26
32
tPLH Propagation
2.0
tPHL Delay Time
4.5
(CLR, PR - Q, Q) 6.0
68 135
170
205
17 27
34
41
ns
14 23
29
35
fMAX Maximum Clock 2.0
Frequency
4.5
8
16
6.4
5.4
40 68
32
27
MHz
6.0
47 79
38
32
tW(H) Minimum Pulse 2.0
tW(L) Width
4.5
(CLOCK)
6.0
20 75
5
15
4
13
95
110
19
22
ns
16
19
tW(L) Minimum Pulse 2.0
Width
4.5
(CLR, PR)
6.0
20 75
5
15
4
13
95
110
19
22
ns
16
19
ts
Minimum Set-up 2.0
Time
4.5
28 75
7
15
95
110
19
22
ns
6.0
6
13
16
19
th
Minimum Hold
2.0
Time
4.5
0
0
0
0
0
0
ns
6.0
0
0
0
tREM Minimum
2.0
Removal Time
4.5
(CLR, PR)
6.0
24 50
60
70
4
10
12
14
ns
3
9
10
12
CIN Input Capacitance
5
10
10
10 pF
CPD (*) Power Dissipation
33
Capacitance
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/2 (per FLIP/FLOP)
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