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M54HC74 Arkusz danych(PDF) 5 Page - STMicroelectronics

Numer części M54HC74
Szczegółowy opis  DUAL D TYPE FLIP FLOP WITH PRESET AND CLEAR
PDF  11 Pages
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Producent  STMICROELECTRONICS [STMicroelectronics]
Strona internetowa  http://www.st.com
Logo STMICROELECTRONICS - STMicroelectronics

M54HC74 Arkusz danych(HTML) 5 Page - STMicroelectronics

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AC ELECTRICAL CHARACTERISTICS (CL =50 pF, Input tr =tf =6 ns)
Symbol
Parameter
Test Conditions
Value
Unit
VCC
(V)
TA =25
oC
54HC and 74HC
-40 to 85
oC
74HC
-55 to 125
oC
54HC
Min.
Typ.
Max.
Min.
Max.
Min.
Max.
tTLH
tTHL
Output Transition
Time
2.0
30
75
95
110
ns
4.5
8
151922
6.0
7
131619
tPLH
tPHL
Propagation
Delay Time
(CLOCK - Q)
2.0
48
150
190
225
ns
4.5
16
30
38
45
6.0
13
26
32
38
tPLH
tPHL
Propagation
Delay Time
(CL, PR - Q)
2.0
51
150
190
225
ns
4.5
17
30
38
45
6.0
15
26
32
38
fMAX
Maximum Clock
Frequency
2.0
6.2
21
5
4.2
MHz
4.5
31
63
25
21
6.0
37
67
30
25
tW(H)
tW(L)
Minimum Pulse
Width
(CLOCK)
2.0
18
75
95
110
ns
4.5
6
151922
6.0
6
131619
tW(L)
Minimum Pulse
Width
(CL, PR)
2.0
21
75
95
110
ns
4.5
7
151922
6.0
6
131619
ts
Minimum Set-up
Time
2.0
15
75
95
110
ns
4.5
4
151922
6.0
3
131619
th
Minimum Hold
Time
2.0
0
0
0
ns
4.5
0
0
0
6.0
0
0
0
tREM
Minimum
Removal Time
(CL, PR)
2.0
0
253035
ns
4.5
0
5
6
7
6.0
0
4
5
6
CIN
Input Capacitance
5
10
10
10
pF
CPD (*)
Power Dissipation
Capacitance
34
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)
M54/M74HC74
5/11



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