74vhc393 Fairchild Semiconductor, 74vhc393 Datasheet - Page 6

• Manufacturer Part Number: 74vhc393
• Description: 74vhc393 Dual 4-bit Binary Counter
• Manufacturer: Fairchild Semiconductor

©1998 Fairchild Semiconductor Corporation
74VHC393 Rev. 1.4
AC Electrical Characteristics
Note:
3. C
AC Operating Requirements
t
t
t
t
t
current consumption without load Average operating current can be obtained by the equation:
I
t
Symbol
PLH
PLH
PLH
PLH
PLH
W
CC
Symbol
PD
f
(L), t
C
MAX
C
t
(Opr.)
t
W
, t
, t
, t
, t
, t
PD
REM
IN
is defined as the value of the internal equivalent capacitance which is calculated from the operating
(H)
PHL
PHL
PHL
PHL
PHL
W
(H)
C
Propagation Delay
Time (CP–QA)
Propagation Delay
Time (CP–QB)
Propagation Delay
Time (CP–QC)
Propagation Delay
Time (CP–QD)
Propagation Delay
Time (CLR–Q
Maximum Clock
Input Capacitance
Power Dissipation
Capacitance
PD
Minimum Pulse Width (CP)
Minimum Pulse Width (CLR)
Minimum Removal Time
Parameter
• V
CC
Parameter
• f
IN
n
)
+ I
CC
/ 2 (per Counter)
3.3 ± 0.3
5.0 ± 0.5
3.3 ± 0.3
5.0 ± 0.5
3.3 ± 0.3
5.0 ± 0.5
3.3 ± 0.3
5.0 ± 0.5
3.3 ± 0.3
5.0 ± 0.5
3.3 ± 0.3
5.0 ± 0.5
V
CC
(V)
C
C
C
C
C
C
C
C
C
C
C
C
C
C
C
C
C
C
C
C
C
C
C
C
V
(3)
Conditions
CC
V
3.3 ± 0.3
5.0 ± 0.5
3.3 ± 0.3
5.0 ± 0.5
3.3 ± 0.3
5.0 ± 0.5
L
L
L
L
L
L
L
L
L
L
L
L
L
L
L
L
L
L
L
L
L
L
L
L
CC
15pF
50pF
15pF
50pF
15pF
50pF
15pF
50pF
15pF
50pF
15pF
50pF
15pF
50pF
15pF
50pF
15pF
50pF
15pF
50pF
15pF
50pF
15pF
50pF
Open
(V)
6
Min.
Typ.
125
75
45
85
T
T
A
A
Typ.
11.1
10.2
12.7
11.7
14.2
13.0
15.5
10.0
10.4
120
170
115
8.6
5.8
7.3
6.8
8.3
7.7
9.2
8.5
7.9
5.4
6.9
65
23
25°C
4
25°C
5.0
5.0
5.0
5.0
5.0
4.0
Guaranteed Minimum
Max.
13.2
16.7
10.5
15.8
19.3
11.8
18.0
21.5
11.2
13.2
19.7
23.2
12.5
14.5
12.3
15.8
10.1
8.5
9.8
8.1
10
T
A
Min.
105
1.0
1.0
1.0
1.0
1.0
1.0
1.0
1.0
1.0
1.0
1.0
1.0
1.0
1.0
1.0
1.0
1.0
1.0
1.0
1.0
T
65
35
75
– 40°C to +85°C
A
+85°C
5.0
5.0
5.0
5.0
5.0
4.0
–40°C to
Max.
15.5
19.0
10.0
12.0
18.5
22.0
11.5
13.5
21.0
24.5
13.0
15.0
23.0
26.5
14.5
16.5
14.5
18.0
11.5
9.5
10
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Units
Units
MHz
ns
pF
pF
ns
ns
ns
ns
ns
ns
ns