74HC_HCT4040 All information provided in this document is subject to legal disclaimers. © NXP Semiconductors N.V. 2014. All rights reserved.
Product data sheet Rev. 4 — 20 March 2014 8 of 20
NXP Semiconductors
74HC4040; 74HCT4040
12-stage binary ripple counter
11. Dynamic characteristics
Table 7. Dynamic characteristics
GND (ground = 0 V); C
L
= 50 pF unless otherwise specified; for test circuit, see Figure 9.
Symbol Parameter Conditions 25 C 40 C to +85 C 40 C to +125 C Unit
Min Typ Max Min Max Min Max
74HC4040
t
pd
propagation
delay
CP to Q0; see Figure 8
[1]
V
CC
= 2.0 V - 47 150 - 190 - 225 ns
V
CC
= 4.5 V - 17 30 - 38 - 45 ns
V
CC
=5.0V; C
L
=15pF - 14 - - - - - ns
V
CC
= 6.0 V - 14 26 - 33 - 38 ns
Qn to Qn+1; see Figure 8
V
CC
= 2.0 V - 28 100 - 125 - 150 ns
V
CC
= 4.5 V - 10 20 - 25 - 30 ns
V
CC
=5.0V; C
L
=15pF - 8 - - - - - ns
V
CC
= 6.0 V - 8 17 - 21 - 26 ns
t
PHL
HIGH to LOW
propagation
delay
MR to Qn; see Figure 8
V
CC
= 2.0 V - 61 185 - 230 - 280 ns
V
CC
= 4.5 V - 22 37 - 46 - 56 ns
V
CC
= 6.0 V - 18 31 - 39 - 48 ns
t
t
transition time Qn; see Figure 8
[2]
V
CC
= 2.0 V - 19 75 - 95 - 110 ns
V
CC
= 4.5 V - 7 15 - 19 - 22 ns
V
CC
= 6.0 V - 6 13 - 16 - 19 ns
t
W
pulse width CP input, HIGH or LOW;
see Figure 8
V
CC
= 2.0 V 80 14 - 100 - 120 - ns
V
CC
= 4.5 V 16 5 - 20 - 24 - ns
V
CC
= 6.0 V 14 4 - 17 - 20 - ns
MR input, HIGH;
see Figure 8
V
CC
= 2.0 V 80 22 - 100 - 120 - ns
V
CC
= 4.5 V 16 8 - 20 - 24 - ns
V
CC
= 6.0 V 14 6 - 17 - 20 - ns
t
rec
recovery time MR to CP; see Figure 8
V
CC
= 2.0 V 50 8 - 65 - 75 - ns
V
CC
= 4.5 V 10 3 - 13 - 15 - ns
V
CC
= 6.0 V 9 2 - 11 - 13 - ns
f
max
maximum
frequency
CP input; see Figure 8
V
CC
= 2.0 V 6 27 - 4.8 - 4 - MHz
V
CC
= 4.5 V 30 82 - 24 - 20 - MHz
V
CC
=5.0V; C
L
=15pF - 90 - - - - - MHz
V
CC
= 6.0 V 35 98 - 28 - 24 - MHz