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74VHC161CW View Datasheet(PDF) - Fairchild Semiconductor

Part Name
Description
View to exact match
74VHC161CW
Fairchild
Fairchild Semiconductor Fairchild
74VHC161CW Datasheet PDF : 9 Pages
1 2 3 4 5 6 7 8 9
AC Electrical Characteristics
Symbol
Parameter
VCC
TA = 25°C
TA = −40° to +85°C
Units
Conditions
(V)
Min
Typ
Max
Min
Max
tPLH
Propagation Delay
tPHL
Time (CP–Qn)
tPLH
Propagation Delay
tPHL
Time (CP–TC, Count)
tPLH
Propagation Delay
tPHL
Time (CP–TC, Load)
tPLH
Propagation Delay
tPHL
Time (CET–TC)
tPHL
Propagation Delay
Time (MR –Qn)
tPHL
Propagation Delay
Time (MR –TC)
3.3 ± 0.3
5.0 ± 0.5
3.3 ± 0.3
5.0 ± 0.5
3.3 ± 0.3
5.0 ± 0.5
3.3 ± 0.3
5.0 ± 0.5
3.3 ± 0.3
5.0 ± 0.5
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
4.9
8.1
1.0
9.5
ns CL = 15 pF
6.4
10.1
1.0
11.5
CL = 50 pF
8.7
13.6
1.0
16.0
ns CL = 15 pF
11.2
17.1
1.0
19.5
CL = 50 pF
4.9
8.1
1.0
9.5
ns CL = 15 pF
6.4
10.1
1.0
11.5
CL = 50 pF
11.0
17.2
1.0
20.0
ns CL = 15 pF
13.5
20.7
1.0
23.5
CL = 50 pF
6.2
10.3
1.0
12.0
ns CL = 15 pF
7.7
12.3
1.0
14.0
CL = 50 pF
7.5
12.3
1.0
14.5
ns CL = 15 pF
10.5
15.8
1.0
18.0
CL = 50 pF
4.9
8.1
1.0
9.5
ns CL = 15 pF
6.4
10.1
1.0
11.5
CL = 50 pF
8.9
13.6
1.0
16.0
ns
CL = 15 pF
11.2
17.1
1.0
19.5
CL = 50 pF
5.5
9.0
1.0
10.5
ns CL = 15 pF
7.0
11.0
1.0
12.5
CL = 50 pF
8.4
13.2
1.0
15.5
ns CL = 15 pF
10.9
16.7
1.0
19.0
CL = 50 pF
fMAX
Maximum Clock
Frequency
CIN
Input Capacitance
CPD
Power Dissipation
Capacitance
5.0 ± 0.5
5.0
8.6
1.0
10.0
ns CL = 15 pF
6.5
10.6
1.0
12.0
CL = 50 pF
3.3 ± 0.3 80
130
55
85
70
MHz CL = 15 pF
50
CL = 50 pF
5.0 ± 0.5 135
185
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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