IN74HC161A
TIMING REQUIREMENTS
(C
L
=50pF,Input t
r
=t
f
=6.0 ns)
Symbol
Parameter
V
CC
V
Guaranteed Limit
25
°C ≤85°C ≤125°
C
to
-55°C
80
60
40
30
20
15
20
18
12
90
75
60
30
20
15
20
18
12
110
95
80
35
25
20
25
23
17
3
3
3
3
3
3
3
3
3
3
3
3
3
3
3
3
3
3
110
95
80
26
20
15
23
17
12
110
95
80
26
20
15
23
17
12
90
75
60
18
15
12
15
13
10
90
75
60
18
15
12
15
13
10
1000
1000
1000
500
500
500
400
400
400
Unit
t
SU
t
SU
t
SU
t
h
t
h
t
rec
t
rec
t
w
t
w
t
r,
t
f
Minimum Setup Time, Preset Data Inputs
to Clock (Figure 4)
Minimum Setup Time, Load to Clock
(Figure 4)
Minimum Setup Time, Enable T or
Enable P to Clock (Figure 5)
Minimum Hold Time, Clock to Load or
Preset Data Inputs (Figure 4)
Minimum Hold Time, Clock to Enable T
or Enable P (Figure 5)
Minimum Recovery Time, Reset Inactive
to Clock (Figure 2)
Minimum Recovery Time, Load Inactive
to Clock (Figure 4)
Minimum Pulse Width, Clock (Figure 1)
Minimum Pulse Width, Reset (Figure 2)
Maximum Input Rise and Fall Times
(Figure 1)
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
2.0
4.5
6.0
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
5
INTEGRAL [ INTEGRAL CORP. ]
