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74LV393 Datasheet PDF : 12 Pages
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Philips Semiconductors
Dual 4-bit binary ripple counter
Product specification
74LV393
AC CHARACTERISTICS
GND = 0V; tr = tf ≤ 2.5ns; CL = 50pF; RL = 1KW
SYMBOL
PARAMETER
WAVEFORM
tPHL/tPLH
Propagation delay
nCP to nQ0
Figure 1
tPHL/tPLH
Propagation delay
nQn to nQn+1
Figure 1
tPHL
Propagation delay
nMR to nQn
Figure 2
tW
Clock pulse width
HIGH or LOW
tW
Master reset pulse
width; HIGH
Figure 1
Figure 2
trem
Removal time
nMR to nCP
Figure 2
fmax
Maximum clock
pulse frequency
Figure 1
NOTES:
1. All typical values are measured at Tamb = 25°C
2. Typical values are measured at VCC = 3.3V
CONDITION
VCC(V)
1.2
2.0
2.7
3.0 to 3.6
1.2
2.0
2.7
3.0 to 3.6
1.2
2.0
2.7
3.0 to 3.6
2.0
2.7
3.0 to 3.6
2.0
2.7
3.0 to 3.6
1.2
2.0
2.7
3.0 to 3.6
2.0
2.7
3.0 to 3.6
LIMITS
–40 to +85 °C
MIN TYP1 MAX
–
75
–
–
26
49
–
19
36
–
142
29
–
25
–
–
9
17
–
6
13
–
52
10
–
70
–
–
24
44
–
18
33
–
132
26
34
10
–
25
8
–
20
62
–
34
12
–
25
9
–
20
72
–
–
5
–
5
2
–
5
2
–
5
12
–
14
53
–
19
72
–
24
902
–
–40 to +125 °C
MIN MAX
–
–
–
60
–
44
–
35
–
–
–
20
–
15
–
12
–
–
–
54
–
40
–
32
41
–
30
–
24
–
41
–
30
–
24
–
–
–
5
–
5
–
5
–
12
–
16
–
20
–
UNIT
ns
ns
ns
ns
ns
ns
MHz
1998 Jun 10
6
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