mc14017bdr2 ON Semiconductor, mc14017bdr2 Datasheet - Page 6

• Manufacturer Part Number: mc14017bdr2
• Description: Decade Counter
• Manufacturer: ON Semiconductor

sequential within each stage and from stage to stage, with no dead time (except propagation delay).
CLOCK
CLOCK
ENABLE
RESET
Figure 3 shows a technique for extending the number of decoded output states for the MC14017B. Decoded outputs are
Q0
Q1
Q2
Q3
Q4
Q5
Q6
Q7
Q8
Q9
C
20 ns
out
t
rem
t
Pcp
CLOCK
PLH
t
PLH
t
PHL
t
PLH
CLOCK
CE
Ncp
Q0 Q1
t
PHL
9 DECODED
t
FIRST STAGE
PLH
OUTPUTS
Figure 4. AC Measurement Definition and Functional Waveforms
MC14017B
50%
RESET
• • •
t
PHL
t
PLH
Q8 Q9
t
PHL
t
PLH
t
THL
10%
t
t
PHL
PHL
t
t
APPLICATIONS INFORMATION
PLH
THL
Figure 3. Counter Expansion
t
PHL
t
PLH
t
TLH
90%
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20 ns
t
t
PHL
t
INTERMEDIATE STAGES
CLOCK
CE
rem
THL
Q0Q1
MC14017B
t
PHL
8 DECODED
OUTPUTS
MC14017B
• • •
RESET
t
6
PLH
t
t
THL
TLH
Q8 Q9
t
PLH
20 ns
t
su
t
TLH
10%
90%
20 ns
t
PLH
t
PHL
t
THL
t
TLH
t
TLH
CLOCK
CE
50%
Q1
t
THL
8 DECODED
t
OUTPUTS
20 ns
MC14017B
LAST STAGE
TLH
• • •
RESET
t
THL
t
t
TLH
TLH
Q8 Q9
20 ns
t
THL
t
PLH
t
THL
90%
10%
t
t
t
PHL
TLH
PHL
t
t
THL
THL
50%
V
V
V
V
V
V
V
V
V
V
V
V
V
V
V
V
V
V
SS
SS
SS
OL
V
V
V
V
V
V
V
V
V
V
OL
OL
OL
OL
OL
OL
OL
OL
OL
OL
DD
DD
DD
OH
OH
OH
OH
OH
OH
OH
OH
OH
OH
OH