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74HC4040 数据表(PDF) 14 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) 14 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
14 of 24
Philips Semiconductors
74HC4040; 74HCT4040
12-stage binary ripple counter
Table 10:
Dynamic characteristics for type 74HCT4040
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 = 4.5 V; CL = 50 pF
-
19
40
ns
VCC = 5.0 V; CL = 15 pF
-
16
-
ns
propagation delay Qn to Qn+1
see Figure 8
VCC = 4.5 V; CL = 50 pF
-
10
20
ns
VCC = 5.0 V; CL = 15 pF
-
8
-
ns
tPHL
propagation delay MR to Qn
VCC = 4.5 V; CL =50pF;
see Figure 8;
-23
45
ns
tTHL, tTLH
output transition time
VCC = 4.5 V; CL =50pF;
see Figure 8;
-
7
15
ns
tW
clock pulse width HIGH or LOW
VCC = 4.5 V; CL =50pF;
see Figure 8;
16
7
-
ns
master reset pulse width; HIGH
VCC = 4.5 V; CL =50pF;
see Figure 8;
16
6
-
ns
trec
recovery time MR to CP
VCC = 4.5 V; CL =50pF;
see Figure 8;
10
2
-
ns
fmax
maximum operating frequency
see Figure 8
VCC = 4.5 V; CL =50pF
30
72
-
MHz
VCC = 5.0 V; CL = 15 pF
-
79
-
MHz
CPD
power dissipation capacitance
per package
[1] -20
-
pF
Tamb = −40 °C to +85 °C
tPHL, tPLH
propagation delay CP to Q0
VCC = 4.5 V; CL =50pF;
see Figure 8;
--50
ns
propagation delay Qn to Qn+1
VCC = 4.5 V; CL =50pF;
see Figure 8;
--25
ns
tPHL
propagation delay MR to Qn
VCC = 4.5 V; CL =50pF;
see Figure 8;
--56
ns
tTHL, tTLH
output transition time
VCC = 4.5 V; CL =50pF;
see Figure 8;
--19
ns
tW
clock pulse width HIGH or LOW
VCC = 4.5 V; CL =50pF;
see Figure 8;
20
-
-
ns
master reset pulse width; HIGH
VCC = 4.5 V; CL =50pF;
see Figure 8;
20
-
-
ns
trec
recovery time MR to CP
VCC = 4.5 V; CL =50pF;
see Figure 8;
13
-
-
ns
fmax
maximum operating frequency
VCC = 4.5 V; CL =50pF;
see Figure 8;
24
-
-
MHz
Tamb = −40 °C to +125 °C
tPHL, tPLH
propagation delay CP to Q0
VCC = 4.5 V; CL =50pF;
see Figure 8;
--60
ns
propagation delay Qn to Qn+1
VCC = 4.5 V; CL =50pF;
see Figure 8
--30
ns



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