mc14022b ON Semiconductor, mc14022b Datasheet - Page 5

• Manufacturer Part Number: mc14022b
• Description: Octal Counter
• Manufacturer: ON Semiconductor

sequential within each stage and from stage to stage, with no dead time (except propagation delay).
Figure 3 shows a technique for extending the number of decoded output states for the MC14022B. Decoded outputs are
V
V
CLOCK
DD
SS
GENERATOR
PULSE
V
S1
SS
A
B
500 mF
Figure 1. Typical Output Source and Output Sink Characteristics Test Circuit
C
CE
Q0 Q1
CLOCK
ENABLE
RESET
CLOCK
f
c
7 DECODED
FIRST STAGE
OUTPUTS
MC14022B
V
V
DD
SS
C
R
Q1
Q7
Q0
Q2
Q3
Q4
Q5
Q6
out
Q6 Q7
Figure 2. Typical Power Dissipation Test Circuit
CLOCK
ENABLE
RESET
CLOCK
APPLICATIONS INFORMATION
I
D
V
V
Figure 3. Counter Expansion
DD
SS
C
Q1
Q7
Q0
Q2
Q3
Q4
Q5
Q6
out
EXTERNAL
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SUPPLY
POWER
INTERMEDIATE STAGES
C
CE
Q0 Q1
I
0.01 mF
CERAMIC
D
MC14022B
V
6 DECODED
out
OUTPUTS
MC14022B
5
R
Q6 Q7
C
L
C
Outputs
L
V
V
Carry
GS
DS
C
=
=
L
C
CE
Clock to Q5
C
Sink Drive
(S1 to A)
Q1
(S1 to B)
L
thru Q7
Output
6 DECODED
V
V
OUTPUTS
MC14022B
LAST STAGE
DD
out
C
L
R
Q6 Q7
C
Clock to desired
L
Source Drive
V
(S1 to B)
out
Output
Output
S1 to A
C
− V
L
− V
DD
DD
C
L
C
L