Datasheet

74HC4024 All information provided in this document is subject to legal disclaimers. © NXP B.V. 2013. All rights reserved.
Product data sheet Rev. 7 — 31 October 2013 7 of 19
NXP Semiconductors
74HC4024
7-stage binary ripple counter
11. Dynamic characteristics
Table 7. Dynamic characteristics
GND = 0 V; t
r
=t
f
=6 ns; C
L
= 50 pF; see Figure 7.
Symbol Parameter Conditions Min Typ Max Unit
T
amb
= 25 C
t
pd
propagation delay CP to Q0; see Figure 6
[1]
V
CC
= 2.0 V - 47 175 ns
V
CC
= 4.5 V - 17 35 ns
V
CC
= 6.0 V - 14 30 ns
V
CC
=5.0V; C
L
=15pF - 14 - ns
Qn to Qn+1; see Figure 6
[1]
V
CC
= 2.0 V - 25 80 ns
V
CC
= 4.5 V - 9 16 ns
V
CC
= 6.0 V - 7 14 ns
t
PHL
HIGH to LOW
propagation delay
MR to Q0; see Figure 6
V
CC
= 2.0 V - 63 200 ns
V
CC
= 4.5 V - 23 40 ns
V
CC
= 6.0 V - 18 34 ns
t
t
transition time see Figure 6
[2]
V
CC
= 2.0 V - 19 75 ns
V
CC
= 4.5 V - 7 15 ns
V
CC
= 6.0 V - 6 13 ns
t
W
pulse width CP HIGH or LOW; see Figure 6
V
CC
= 2.0 V 8017- ns
V
CC
= 4.5 V 16 6 - ns
V
CC
= 6.0 V 14 5 - ns
MR HIGH; see Figure 6
V
CC
= 2.0 V 8022- ns
V
CC
= 4.5 V 16 8 - ns
V
CC
= 6.0 V 14 6 - ns
t
rec
recovery time MR to CP; see Figure 6
V
CC
= 2.0 V 50 6 - ns
V
CC
= 4.5 V 10 2 - ns
V
CC
= 6.0 V 9 2 - ns
f
max
maximum frequency CP; see Figure 6
V
CC
= 2.0 V 6.0 27 - MHz
V
CC
= 4.5 V 3082- MHz
V
CC
= 6.0 V 3598- MHz
V
CC
=5.0V; C
L
=15pF - 90 - MHz
C
PD
power dissipation
capacitance
V
I
= GND to V
CC
[3]
-25-pF