74HC4020 Просмотр технического описания (PDF) - NXP Semiconductors.
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74HC4020 Datasheet PDF : 19 Pages
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Nexperia
74HC4020; 74HCT4020
14-stage binary ripple counter
Table 7. Dynamic characteristics …continued
GND (ground = 0 V); CL = 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
tW
pulse width CP HIGH or LOW;
see Figure 8
VCC = 2.0 V; CL = 50 pF
VCC = 4.5 V; CL = 50 pF
VCC = 6.0 V; CL = 50 pF
MR HIGH; see Figure 8
80 14 - 100
-
120
- ns
16 4 -
20
-
24
- ns
14 3 -
17
-
20
- ns
VCC = 2.0 V; CL = 50 pF
80 17 - 100
-
120
- ns
VCC = 4.5 V; CL = 50 pF
16 6 -
20
-
24
- ns
VCC = 6.0 V; CL = 50 pF
14 5 -
17
-
20
- ns
trec
recovery time MR to CP; see Figure 8
VCC = 2.0 V; CL = 50 pF
50 6 -
65
-
75
- ns
VCC = 4.5 V; CL = 50 pF
10 2 -
13
-
15
- ns
VCC = 6.0 V; CL = 50 pF
92 -
11
-
13
- ns
fmax
maximum see Figure 8
frequency
VCC = 2.0 V; CL = 50 pF
6.0 30 -
4.8
-
4.0
- MHz
VCC = 4.5 V; CL = 50 pF
30 92 -
24
-
20
- MHz
VCC = 5.0 V; CL = 15 pF
- 101 -
-
-
-
- MHz
VCC = 6.0 V; CL = 50 pF
35 109 -
28
-
24
- MHz
CPD
power
dissipation
capacitance
[3] - 19 -
-
-
-
- pF
74HCT4020
tpd
propagation CP to Q0; see Figure 8
[1]
delay
VCC = 4.5 V; CL = 50 pF
- 18 36
-
45
-
54 ns
VCC = 5.0 V; CL = 15 pF
- 15 -
-
-
-
- ns
Qn to Qn+1; see Figure 9
VCC = 4.5 V; CL = 50 pF
- 8 15
-
19
-
22 ns
VCC = 5.0 V; CL = 15 pF
-6-
-
-
-
- ns
tPHL
HIGH to LOW MR to Qn; see Figure 8
propagation
delay
VCC = 4.5 V; CL = 50 pF
VCC = 5.0 V; CL = 15 pF
- 22 45
-
56
-
68 ns
- 19 -
-
-
-
- ns
tt
transition
Qn; see Figure 8
[2]
time
VCC = 4.5 V; CL = 50 pF
- 7 15
-
19
-
22 ns
tW
pulse width CP HIGH or LOW;
see Figure 8
VCC = 4.5 V; CL = 50 pF
MR HIGH; see Figure 8
20 7 -
25
-
30
- ns
VCC = 4.5 V; CL = 50 pF
trec
recovery time MR to CP; see Figure 8
VCC = 4.5 V; CL = 50 pF
20 8 -
25
-
30
- ns
10 2 -
13
-
15
- ns
74HC_HCT4020
Product data sheet
All information provided in this document is subject to legal disclaimers.
Rev. 6 — 3 February 2016
.
8 of 19
© Nexperia B.V. 2017. All rights reserved
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