74vhc74 STMicroelectronics, 74vhc74 Datasheet - Page 5

• Manufacturer Part Number: 74vhc74
• Description: Dual D-type Flip Flop With Preset And Clear
• Manufacturer: STMicroelectronics

Table 7: AC Electrical Characteristics (Input t
(*) Voltage range is 3.3V
(**) Voltage range is 5.0V
Table 8: Capacitive Characteristics
1) C
load. (Refer to Test Circuit). Average operating current can be obtained by the following equation. I
flip-flop)
Symbol
Symbol
t
f
t
t
t
t
C
PD
C
REM
MAX
PLH
PHL
PLH
PHL
t
t
t
t
W
W
PD
s
h
IN
is defined as the value of the IC’s internal equivalent capacitance which is calculated from the operating current consumption without
Propagation Delay
Time CK to Q or Q
Propagation Delay
Time PR or CLR to
Q or Q
CK Pulse Width
HIGH or LOW
PR or CLR Pulse
Width LOW
Setup Time D to CK
HIGH or LOW
Hold Time D to CK
HIGH or LOW
Removal Time
PR or CLR to CK
Maximum Clock
Frequency
Input Capacitance
Power Dissipation
Capacitance
(note 1)
Parameter
Parameter
0.3V
0.5V
5.0
5.0
5.0
5.0
5.0
5.0
5.0
5.0
5.0
5.0
5.0
3.3
3.3
3.3
3.3
3.3
3.3
3.3
3.3
3.3
3.3
3.3
V
V
5.0
5.0
(V)
(V)
CC
CC
(**)
(**)
(**)
(**)
(**)
(**)
(**)
(**)
(**)
(**)
(**)
(*)
(*)
(*)
(*)
(*)
(*)
(*)
(*)
(*)
(*)
(*)
Test Condition
Test Condition
(pF)
C
15
50
15
50
15
50
15
50
15
50
15
50
L
f
IN
= 10MHz
r
= t
f
= 3ns)
Min.
Min.
130
80
50
90
T
T
A
A
Typ.
10.1
Typ.
= 25°C
125
170
= 25°C
115
6.7
9.2
4.6
6.1
7.6
4.8
6.3
75
25
7
Max.
Max.
11.9
15.4
12.3
15.8
7.3
9.3
7.7
9.7
6.0
5.0
6.0
5.0
6.0
5.0
0.5
0.5
5.0
3.0
10
Value
Value
-40 to 85°C
Min.
-40 to 85°C
Min.
110
1.0
1.0
1.0
1.0
1.0
1.0
1.0
1.0
CC(opr)
70
45
75
= C
Max.
Max.
14.0
17.5
10.5
14.5
18.0
11.0
8.5
9.0
7.0
5.0
7.0
5.0
7.0
5.0
0.5
0.5
5.0
3.0
10
PD
x V
-55 to 125°C
-55 to 125°C
Min.
Min.
110
1.0
1.0
1.0
1.0
1.0
1.0
1.0
1.0
CC
70
45
75
x f
IN
Max.
Max.
14.0
17.5
10.5
14.5
18.0
11.0
+ I
74VHC74
8.5
9.0
7.0
5.0
7.0
5.0
7.0
5.0
0.5
0.5
5.0
3.0
10
CC
/2 (per
MHz
Unit
Unit
pF
pF
ns
ns
ns
ns
ns
ns
ns
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