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74HC4040 数据表(PDF) 11 Page - NXP Semiconductors

部件名 74HC4040
功能描述  12-stage binary ripple counter
PDF  24 Pages
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制造商  PHILIPS [NXP Semiconductors]
网页  http://www.nxp.com
标志 PHILIPS - NXP Semiconductors

74HC4040 数据表(HTML) 11 Page - NXP Semiconductors

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74HC_HCT4040_3
© Koninklijke Philips Electronics N.V. 2005. All rights reserved.
Product data sheet
Rev. 03 — 14 September 2005
11 of 24
Philips Semiconductors
74HC4040; 74HCT4040
12-stage binary ripple counter
12. Dynamic characteristics
Table 9:
Dynamic characteristics for type 74HC4040
GND = 0 V; tr = tf = 6 ns. For test circuit see Figure 9.
Symbol
Parameter
Conditions
Min
Typ
Max
Unit
Tamb = 25 °C
tPHL, tPLH
propagation delay CP to Q0
see Figure 8
VCC = 2.0 V; CL = 50 pF
-
47
150
ns
VCC = 4.5 V; CL = 50 pF
-
17
30
ns
VCC = 5.0 V; CL =15pF
-
14
-
ns
VCC = 6.0 V; CL = 50 pF
-
14
26
ns
propagation delay Qn to Qn+1
see Figure 8
VCC = 2.0 V; CL = 50 pF
-
28
100
ns
VCC = 4.5 V; CL = 50 pF
-
10
20
ns
VCC = 5.0 V; CL =15pF
-
8
-
ns
VCC = 6.0 V; CL =50pF
-
8
17
ns
tPHL
propagation delay MR to Qn
see Figure 8
VCC =2.0 V; CL = 50 pF
-
61
185
ns
VCC = 4.5 V; CL = 50 pF
-
22
37
ns
VCC = 6.0 V; CL = 50 pF
-
18
31
ns
tTHL, tTLH
output transition time
see Figure 8
VCC = 2.0 V; CL = 50 pF
-
19
75
ns
VCC = 4.5 V; CL =50pF
-
7
15
ns
VCC = 6.0 V; CL =50pF
-
6
13
ns
tW
clock pulse width HIGH or LOW
see Figure 8
VCC = 2.0 V; CL =50pF
80
14
-
ns
VCC = 4.5 V; CL =50pF
16
5
-
ns
VCC = 6.0 V; CL =50pF
14
4
-
ns
master reset pulse width; HIGH
see Figure 8
VCC = 2.0 V; CL =50pF
80
22
-
ns
VCC = 4.5 V; CL =50pF
16
8
-
ns
VCC = 6.0 V; CL =50pF
14
6
-
ns
trec
recovery time MR to CP
see Figure 8
VCC = 2.0 V; CL =50pF
50
8
-
ns
VCC = 4.5 V; CL =50pF
10
3
-
ns
VCC = 6.0 V; CL =50pF
9
2
-
ns
fmax
maximum operating frequency
see Figure 8
VCC = 2.0 V; CL = 50 pF
6.0
27
-
MHz
VCC = 4.5 V; CL =50pF
30
82
-
MHz
VCC = 5.0 V; CL = 15 pF
-
90
-
MHz
VCC = 6.0 V; CL =50pF
35
98
-
MHz
CPD
power dissipation capacitance
-
20
-
pF



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