m74hc74 STMicroelectronics, m74hc74 Datasheet - Page 5

• Manufacturer Part Number: m74hc74
• Description: Dual D Type Flip Flop With Preset And Clear
• Manufacturer: STMicroelectronics

AC ELECTRICAL CHARACTERISTICS (C
CAPACITIVE CHARACTERISTICS
1) C
load. (Refer to Test Circuit). Average operating current can be obtained by the following equation. I
FLOP)
t
t
t
Symbol
Symbol
PLH
PLH
TLH
t
t
f
t
t
C
PD
W(H)
REM
C
MAX
W(L)
W(L)
t
t
PD
s
h
IN
t
t
t
is defined as the value of the IC’s internal equivalent capacitance which is calculated from the operating current consumption without
THL
PHL
PHL
Output Transition
Time
Propagation Delay
Time (CK - Q, Q)
Propagation Delay
Time (CLR, PR -
Q, Q)
Maximum Clock
Frequency
Minimum Pulse
Width (CK)
Minimum Pulse
Width (CLR, PR)
Minimum Set-up
Time
Minimum Hold
Time
Minimum Removal
Time (CLR, PR to
CK)
Input Capacitance
Power Dissipation
Capacitance (note
1)
Parameter
Parameter
V
V
(V)
2.0
4.5
6.0
2.0
4.5
6.0
2.0
4.5
6.0
2.0
4.5
6.0
2.0
4.5
6.0
2.0
4.5
6.0
2.0
4.5
6.0
2.0
4.5
6.0
2.0
4.5
6.0
(V)
5.0
5.0
CC
CC
Test Condition
Test Condition
L
= 50 pF, Input t
Min.
Min.
6.2
31
37
T
T
A
A
r
Typ.
Typ.
= 25° C
= 25° C
30
48
16
13
51
17
15
21
63
67
18
21
15
34
= t
8
7
6
6
7
6
4
3
0
0
0
5
f
= 6ns)
Max.
Max.
150
150
75
15
13
30
26
30
26
75
15
13
75
15
13
75
15
13
25
10
0
0
0
5
4
Value
Value
CC(opr)
-40 to 85°C
Min.
-40 to 85°C
Min.
25
30
5
= C
Max.
Max.
190
190
95
19
16
38
32
38
32
95
19
16
95
19
16
95
19
16
30
10
PD
0
0
0
6
5
x V
CC
-55 to 125° C
-55 to 125° C
Min.
Min.
4.2
21
25
x f
IN
+ I
Max.
Max.
M74HC74
225
225
110
110
110
110
CC
22
19
45
38
45
38
22
19
22
19
22
19
35
10
0
0
0
7
6
/2 (per FLIP/
Unit
MHz
Unit
pF
pF
ns
ns
ns
ns
ns
ns
ns
ns
5/12