CD4040BC, 12-Stage Ripple Carry Binary Counters CD4060BC, 14-Stage Ripple Carry Binary Counters
©1987 Fairchild Semiconductor Corporation www.fairchildsemi.com
CD4040BC, DCD4060BC Rev. 1.5 7
AC Electrical Characteristics
(5)
CD4060BC T
A
= 25°C, C
L
= 50pF, R
L
= 200k, t
r
= t
f
= 20 ns, unless otherwise noted.
Note:
5. AC Parameters are guaranteed by DC correlated testing.
RC Oscillator Notes:
Symbol Parameter Conditions Min. Typ. Max. Units
t
PHL4
, t
PLH4
Propagation Delay Time to Q
4
V
DD
= 5V 550 1300 ns
V
DD
= 10V 250 525
V
DD
= 15V 200 400
t
PHL
, t
PLH
Interstage Propagation Delay Time
from Q
n
to Q
n+1
V
DD
= 5V 150 330 ns
V
DD
= 10V 60 125
V
DD
= 15V 45 90
t
THL
, t
TLH
Transition Time V
DD
= 5V 100 200 ns
V
DD
= 10V 50 100
V
DD
= 15V 40 80
t
WL
, t
WH
Minimum Clock Pulse Width V
DD
= 5V 170 500 ns
V
DD
= 10V 65 170
V
DD
= 15V 50 125
t
rCL
, t
fCL
Maximum Clock Rise and Fall Time V
DD
= 5V No Limit ns
V
DD
= 10V No Limit
V
DD
= 15V No Limit
f
CL
Maximum Clock Frequency V
DD
= 5V 1 3 MHz
V
DD
= 10V 3 8
V
DD
= 15V 4 10
t
PHL(R)
Reset Propagation Delay V
DD
= 5V 200 450 ns
V
DD
= 10V 100 210
V
DD
= 15V 80 170
t
WH(R)
Minimum Reset Pulse Width V
DD
= 5V 200 450 ns
V
DD
= 10V 100 210
V
DD
= 15V 80 170
C
IN
Average Input Capacitance Any Input 5 7.5 pF
C
PD
Power Dissipation Capacitance 50 pF
1. R
2
= 2 R
1
to 10 R
1
2. RC Oscillator applications are not recommended at supply voltages below 7.0V for R
1
< 50kΩ
3. f ≈
1
at V
CC
= 10V
2.2 R
1
C
X
