MC14042B Просмотр технического описания (PDF) - ON Semiconductor
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MC14042B Datasheet PDF : 8 Pages
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MC14042B
VDD
16
PULSE
GENERATOR 1
5
CLOCK Q0
2
6 POLARITY Q0
3
4
Q1
10
D0
Q1
9
7
D1
Q2
11
13
D2
14
Q2
12
Q3
1
D3
Q3
15
8 VSS
For Power Dissipation test, each output
is loaded with capacitance CL.
20 ns
DATA INPUT
tPLH
Q OUTPUT
10%
Q OUTPUT 90%
1
f
90%
50%
90%
20 ns
10%
tPHL
50%
tTLH
tTHL
tPHL
10%
50%
tTHL
tTLH
Figure 1. AC and Power Dissipation Test Circuit and Timing Diagram
(Data to Output)
VDD
16
PULSE
GENERATOR 1
PULSE
GENERATOR 2
5
CLOCK
Q0
2
6 POLARITY Q0
3
4
Q1
10
D0
Q1
9
7
D1
Q2
11
13
D2
14
D3
Q2
12
Q3
1
Q3
15
NOTE: CL connected to output under test.
8 VSS
20* ns
20 ns
CLOCK INPUT
P.G. 1
DATA INPUT
P.G. 2
Q OUTPUT
90%
10%
20 ns
50%
tWH
90%
50%
tsu
th
tPLH
90%
50%
10%
*Input clock rise time is 20 ns except for maximum rise time test.
Figure 2. AC Test Circuit and Timing Diagram
(Clock to Output)
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