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Компоненты Описание
MC14520BDWR2G Просмотр технического описания (PDF) - ON Semiconductor
Номер в каталоге
Компоненты Описание
производитель
MC14520BDWR2G
Dual Up Counters
ON Semiconductor
MC14520BDWR2G Datasheet PDF : 9 Pages
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PULSE
GENERATOR
V
DD
C
Q0
Q1
Q2
E
R
Q3
V
SS
MC14518B, MC14520B
20 ns
CLOCK
INPUT
C
L
C
L
C
L
C
L
Q
t
WH
t
PLH
t
r
20 ns
90%
V
DD
50%
10%
V
SS
t
WL
t
PHL
90%
50%
10%
t
f
Figure 2. Switching Time Test Circuit and Waveforms
CLOCK
ENABLE
RESET
Q0
Q1
MC14518B
Q2
Q3
Q0
Q1
MC14520B
Q2
Q3
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18
12345678901234567890
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 0 1 2 3 4
Figure 3. Timing Diagram
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