CD4070BC
AC Electrical Characteristics
Symbol
t
PHL
or
t
PLH
t
THL
or
t
TLH
C
IN
C
PD
Average Input Capacitance
Power Dissipation Capacitance
Parameter
Propagation Delay Time
from Input to Output
Transition Time
(Note 4)
Conditions
V
DD
=
5V
V
DD
=
10V
V
DD
=
15V
V
DD
=
5V
V
DD
=
10V
V
DD
=
15V
Any Input
Any Input (Note 5)
Min
Typ
110
50
40
100
50
40
5
20
Max
185
90
75
200
100
80
7.5
Units
ns
ns
ns
ns
ns
ns
pF
pF
T
A
=
25
°
C, C
L
=
50 pF, R
L
=
200k, t
r
and t
f
≤
20 ns, unless otherwise specified
Note 4:
AC Parameters are guaranteed by DC correlated testing.
Note 5:
C
PD
determines the no load AC power consumption of any CMOS device. For complete explanation, see 74C Family Characteristics Application
Note—AN-90.
Typical PerformanceCharacteristics
Propagation Delay Time
vs Load Capacitance
AC Test Circuit and Switching Time Waveforms
Note:
Delays measured with input t
r
, t
f
=
20 ns.
t
r
=
t
f
=
20 ns
3
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