Data Sheet

©
Nexperia B.V. 2017. All rights reserved
74HC_HCT4020 All information provided in this document is subject to legal disclaimers. .
Product data sheet Rev. 6 — 3 February 2016 8 of 19
Nexperia
74HC4020; 74HCT4020
14-stage binary ripple counter
t
W
pulse width CP HIGH or LOW;
see Figure 8
V
CC
= 2.0 V; C
L
= 50 pF 80 14 - 100 - 120 - ns
V
CC
= 4.5 V; C
L
=50pF 16 4 - 20 - 24 - ns
V
CC
= 6.0 V; C
L
=50pF 14 3 - 17 - 20 - ns
MR HIGH; see Figure 8
V
CC
= 2.0 V; C
L
= 50 pF 80 17 - 100 - 120 - ns
V
CC
= 4.5 V; C
L
=50pF 16 6 - 20 - 24 - ns
V
CC
= 6.0 V; C
L
=50pF 14 5 - 17 - 20 - ns
t
rec
recovery time MR to CP; see Figure 8
V
CC
= 2.0 V; C
L
=50pF 50 6 - 65 - 75 - ns
V
CC
= 4.5 V; C
L
=50pF 10 2 - 13 - 15 - ns
V
CC
= 6.0 V; C
L
=50pF 9 2 - 11 - 13 - ns
f
max
maximum
frequency
see Figure 8
V
CC
= 2.0 V; C
L
= 50 pF 6.0 30 - 4.8 - 4.0 - MHz
V
CC
= 4.5 V; C
L
=50pF 30 92 - 24 - 20 - MHz
V
CC
= 5.0 V; C
L
= 15 pF - 101 - - - - - MHz
V
CC
= 6.0 V; C
L
= 50 pF 35 109 - 28 - 24 - MHz
C
PD
power
dissipation
capacitance
[3]
-19- - - - - pF
74HCT4020
t
pd
propagation
delay
CP to Q0; see Figure 8
[1]
V
CC
= 4.5 V; C
L
= 50 pF - 18 36 - 45 - 54 ns
V
CC
= 5.0 V; C
L
= 15 pF - 15 - - - - - ns
Qn to Qn+1; see Figure 9
V
CC
= 4.5 V; C
L
=50pF - 8 15 - 19 - 22 ns
V
CC
= 5.0 V; C
L
=15pF - 6 - - - - - ns
t
PHL
HIGH to LOW
propagation
delay
MR to Qn; see Figure 8
V
CC
= 4.5 V; C
L
= 50 pF - 22 45 - 56 - 68 ns
V
CC
= 5.0 V; C
L
=15pF - 19 - - - - - ns
t
t
transition
time
Qn; see Figure 8
[2]
V
CC
= 4.5 V; C
L
=50pF - 7 15 - 19 - 22 ns
t
W
pulse width CP HIGH or LOW;
see Figure 8
V
CC
= 4.5 V; C
L
=50pF 20 7 - 25 - 30 - ns
MR HIGH; see Figure 8
V
CC
= 4.5 V; C
L
=50pF 20 8 - 25 - 30 - ns
t
rec
recovery time MR to CP; see Figure 8
V
CC
= 4.5 V; C
L
=50pF 10 2 - 13 - 15 - ns
Table 7. Dynamic characteristics
…continued
GND (ground = 0 V); C
L
= 50 pF unless otherwise specified; for test circuit, see Figure 10
Symbol Parameter Conditions 25 C 40 C to +85 C 40 C to +125 C Unit
Min Typ Max Min Max Min Max