74VHC163N View Datasheet(PDF) - Fairchild Semiconductor
Part Name
Description
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74VHC163N Datasheet PDF : 10 Pages
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AC Electrical Characteristics
Symbol
Parameter
VCC
TA = 25°C
TA = −40° to +85°C
Units
(V)
Min
Typ
Max
Min
Max
Conditions
tPLH
tPHL
tPLH
tPHL
tPLH
tPHL
tPLH
tPHL
fMAX
CIN
CPD
Propagation Delay
Time (CP–Qn)
Propagation Delay
Time (CP–TC, Count)
Propagation Delay
Time (CP–TC, Load)
Propagation Delay
Time (CET–TC)
Maximum Clock
Frequency
Input Capacitance
Power Dissipation
Capacitance
3.3 ± 0.3
8.3
12.8
1.0
15.0
ns CL = 15 pF
10.8
16.3
1.0
18.5
CL = 50 pF
5.0 ± 0.5
4.9
8.1
1.0
9.5
ns CL = 15 pF
6.4
10.1
1.0
11.5
CL = 50 pF
3.3 ± 0.3
8.7
13.6
1.0
16.0
ns CL = 15 pF
11.2
17.1
1.0
19.5
CL = 50 pF
5.0 ± 0.5
4.9
8.1
1.0
9.5
ns CL = 15 pF
6.4
10.1
1.0
11.5
CL = 50 pF
3.3 ± 0.3
11.0
17.2
1.0
20.0
ns CL = 15 pF
13.5
20.7
1.0
23.5
CL = 50 pF
5.0 ± 0.5
6.2
10.3
1.0
12.0
ns CL = 15 pF
7.7
12.3
1.0
14.0
CL = 50 pF
3.3 ± 0.3
7.5
12.3
1.0
14.5
ns CL = 15 pF
10.5
15.8
1.0
18.0
CL = 50 pF
5.0 ± 0.5
4.9
8.1
1.0
9.5
ns CL = 15 pF
6.4
10.1
1.0
11.5
CL = 50 pF
80
130
3.3 ± 0.3
55
85
70
MHz CL = 15 pF
50
CL = 50 pF
135
185
5.0 ± 0.5
95
125
115
MHz CL = 15 pF
85
CL = 50 pF
4
10
10
pF VCC = Open
23
pF (Note 4)
Note 4: CPD is defined as the value of the internal equivalent capacitance which is calculated from the operating current consumption without load. Average
operating current can be obtained by the equation: ICC (opr) = CPD * VCC * fIN + ICC.
When the outputs drive a capacitive load, total current consumption is the sum of CPD, and ∆ICC which is obtained from the following formula:
CQ0–CQ3 and CTC are the capacitances at Q0–Q3 and TC, respectively. FCP is the input frequency of the CP.
5
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