74HCT4520D,112 查看數據表（PDF） - NXP Semiconductors.
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74HCT4520D,112 Datasheet PDF : 17 Pages
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Nexperia
74HC4520; 74HCT4520
Dual 4-bit synchronous binary counter
Table 7. Dynamic characteristics …continued
Voltages are referenced to GND (ground = 0 V); CL = 50 pF unless otherwise specified; for test circuit, see Figure 7.
Symbol Parameter Conditions
25 C
40 C to +85 C 40 C to +125 C Unit
Min Typ Max Min
Max Min
Max
tPHL
HIGH to LOW nMR to nQn; see Figure 6
propagation
delay
VCC = 2.0 V
VCC = 4.5 V
- 44 150
-
- 16 30
-
190
-
38
-
225 ns
45 ns
VCC = 5.0 V; CL = 15 pF
- 13 -
-
-
-
- ns
VCC = 6.0 V
- 13 26
-
33
-
38 ns
tt
transition
nQn; see Figure 6
time
VCC = 2.0 V
[2]
- 19 75
-
95
-
110 ns
VCC = 4.5 V
- 7 15
-
19
-
22 ns
VCC = 6.0 V
- 6 13
-
16
-
19 ns
tW
pulse width nCP0, nCP1 HIGH or LOW; see Figure 6
VCC = 2.0 V
80 22 -
100
-
120
- ns
VCC = 4.5 V
16 8 -
20
-
24
- ns
VCC = 6.0 V
14 6 -
17
-
20
- ns
nMR HIGH; see Figure 6
VCC = 2.0 V
120 39 -
150
VCC = 4.5 V
24 14 -
30
VCC = 6.0 V
20 11 -
26
trec
recovery time nMR to nCP0, nCP1; see Figure 6
VCC = 2.0 V
0 28 -
0
VCC = 4.5 V
0 10 -
0
VCC = 6.0 V
0 8 -
0
tsu
set-up time nCP0 to nCP1; nCP1 to nCP0; see Figure 6
VCC = 2.0 V
80 14 -
100
VCC = 4.5 V
16 5 -
20
VCC = 6.0 V
14 4 -
17
fmax
maximum
nCP0, nCP1; see Figure 6
frequency
VCC = 2.0 V
6 19 -
4.8
VCC = 4.5 V
30 58 -
24
VCC = 5.0 V; CL = 15 pF
- 68 -
-
VCC = 6.0 V
35 69 -
28
CPD
power
VI = GND to VCC; VCC = 5 V; [3] - 29 -
-
dissipation fi = 1 MHz
capacitance
-
180
-
36
-
31
-
0
-
0
-
0
-
120
-
24
-
20
-
4
-
20
-
-
-
24
-
-
- ns
- ns
- ns
- ns
- ns
- ns
- ns
- ns
- ns
- MHz
- MHz
- MHz
- MHz
- pF
74HC_HCT4520
Product data sheet
All information provided in this document is subject to legal disclaimers.
Rev. 4 — 10 May 2016
© Nexperia B.V. 2017. All rights reserved
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