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74HC4520 Datasheet(PDF) 5 Page - NXP Semiconductors

Part No. 74HC4520
Description  Dual 4-bit synchronous binary counter
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Maker  PHILIPS [NXP Semiconductors]
Homepage  http://www.nxp.com
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74HC4520 Datasheet(HTML) 5 Page - NXP Semiconductors

   
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December 1990
5
Philips Semiconductors
Product specification
Dual 4-bit synchronous binary counter
74HC/HCT4520
DC CHARACTERISTICS FOR 74HC
For the DC characteristics see
“74HC/HCT/HCU/HCMOS Logic Family Specifications”.
Output capability: standard
ICC category: MSI
AC CHARACTERISTICS FOR 74HC
GND = 0 V; tr =tf = 6 ns; CL = 50 pF
SYMBOL
PARAMETER
Tamb (°C)
UNIT
TEST CONDITIONS
74HC
VCC
(V)
WAVEFORMS
+25
−40 to +85
−40 to +125
min.
typ.
max. min.
max.
min.
max.
tPHL/ tPLH
propagation delay
nCP0 to nQn
77
28
22
240
48
41
300
60
51
360
72
61
ns
2.0
4.5
6.0
Fig.8
tPHL/ tPLH
propagation delay
nCP1 to nQn
77
28
22
240
48
41
300
60
51
360
72
61
ns
2.0
4.5
6.0
Fig.8
tPHL
propagation delay
nMR to nQn
44
16
13
150
30
26
190
38
33
225
45
38
ns
2.0
4.5
6.0
Fig.9
tTHL/ tTLH
output transition time
19
7
6
75
15
13
95
19
16
110
22
19
ns
2.0
4.5
6.0
Fig.8
tW
clock pulse width
HIGH or LOW
80
16
14
22
8
6
100
20
17
120
24
20
ns
2.0
4.5
6.0
Fig.7
tW
master reset pulse width
HIGH
120
24
20
39
14
11
150
30
26
180
36
31
ns
2.0
4.5
6.0
Fig.7
trem
removal time
nMR to nCP0; nCP1
0
0
0
−28
−10
−8
0
0
0
0
0
0
ns
2.0
4.5
6.0
Fig.7
tsu
set-up time
nCP1 to nCP0;
nCP0 to nCP1
80
16
14
14
5
4
100
20
17
120
24
20
ns
2.0
4.5
6.0
Fig.8
fmax
maximum clock pulse
frequency
6.0
30
35
19
58
69
4.8
24
28
4.0
20
24
MHz
2.0
4.5
6.0
Fig.7


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