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74HC4024 Datasheet PDF : 19 Pages
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NXP Semiconductors
11. Dynamic characteristics
Table 7. Dynamic characteristics
GND = 0 V; tr = tf = 6 ns; CL = 50 pF; see Figure 7.
Symbol Parameter
Conditions
Tamb = 25 C
tpd
propagation delay
CP to Q0; see Figure 6
VCC = 2.0 V
VCC = 4.5 V
VCC = 6.0 V
VCC = 5.0 V; CL = 15 pF
Qn to Qn+1; see Figure 6
VCC = 2.0 V
VCC = 4.5 V
VCC = 6.0 V
tPHL
HIGH to LOW
MR to Q0; see Figure 6
propagation delay
VCC = 2.0 V
VCC = 4.5 V
VCC = 6.0 V
tt
transition time
see Figure 6
VCC = 2.0 V
VCC = 4.5 V
VCC = 6.0 V
tW
pulse width
CP HIGH or LOW; see Figure 6
VCC = 2.0 V
VCC = 4.5 V
VCC = 6.0 V
MR HIGH; see Figure 6
VCC = 2.0 V
VCC = 4.5 V
VCC = 6.0 V
trec
recovery time
MR to CP; see Figure 6
VCC = 2.0 V
VCC = 4.5 V
VCC = 6.0 V
fmax
maximum frequency CP; see Figure 6
VCC = 2.0 V
VCC = 4.5 V
VCC = 6.0 V
VCC = 5.0 V; CL = 15 pF
CPD
power dissipation
VI = GND to VCC
capacitance
74HC4024
7-stage binary ripple counter
Min
Typ
Max
Unit
[1]
-
47
175
ns
-
17
35
ns
-
14
30
ns
-
14
-
ns
[1]
-
25
80
ns
-
9
16
ns
-
7
14
ns
-
63
200
ns
-
23
40
ns
-
18
34
ns
[2]
-
19
75
ns
-
7
15
ns
-
6
13
ns
80
17
-
ns
16
6
-
ns
14
5
-
ns
80
22
-
ns
16
8
-
ns
14
6
-
ns
50
6
-
ns
10
2
-
ns
9
2
-
ns
6.0
27
-
30
82
-
35
98
-
-
90
-
[3] -
25
-
MHz
MHz
MHz
MHz
pF
74HC4024
Product data sheet
All information provided in this document is subject to legal disclaimers.
Rev. 6 — 23 August 2012
© NXP B.V. 2012. All rights reserved.
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