IN74HC161A
AC ELECTRICAL CHARACTERISTICS(C
L
=50pF,Input t
r
=t
f
=6.0 ns)
Guaranteed Limit
V
CC
Symbol
Parameter
V
25
°C ≤85°C ≤125
to
°C
-55°C
4
5
6
f
max
Maximum Clock Frequency (Figures 1,6) 2.0
20
24
30
4.5
24
28
35
6.0
200
160
120
2.0
t
PLH
28
23
20
4.5
22
20
16
6.0
Maximum Propagation Delay Clock to Q
320
185
145
t
PHL
(Figures 1,6)
2.0
30
25
22
4.5
23
20
18
6.0
220
185
145
t
PHL
Maximum Propagation Delay Reset to Q 2.0
25
22
20
(Figures 2 and 6)
4.5
21
19
17
6.0
190
150
110
2.0
t
PLH
20
18
16
4.5
17
15
14
Maximum Propagation Delay Enable T to 6.0
Ripple Carry Out
210
175
135
t
PHL
(Figures 3,6)
2.0
22
20
18
4.5
20
16
15
6.0
200
160
120
2.0
t
PLH
30
27
22
4.5
25
22
18
Maximum Propagation Delay Clock to 6.0
Ripple
220
185
145
t
PHL
Carry Out (Figures 1,6)
2.0
35
28
22
4.5
28
24
20
6.0
230
190
155
t
PHL
Maximum Propagation Delay Reset to 2.0
30
26
22
Ripple Carry Out (Figures 2,6)
4.5
25
22
18
6.0
110
95
75
t
TLH
, t
THL
Maximum Output Transition Time, Any 2.0
22
19
15
4.5
Output
19
16
13
6.0
(Figures 1 and 6)
C
IN
Maximum Input Capacitance
-
10
10
10
Power Dissipation Capacitance (Per
Gate)
Used to determine the no-load dynamic
power
consumption:
2
P
D
=C
PD
V
CC
f+I
CC
V
CC
Typical @25°C,V
CC
=5.0 V
30
pF
Unit
MHz
ns
ns
ns
ns
ns
ns
ns
ns
ns
pF
C
PD
4
INTEGRAL [ INTEGRAL CORP. ]
