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Part Name
Description
MC14029B View Datasheet(PDF) - Motorola => Freescale
Part Name
Description
View to exact match
MC14029B
Binary/Decade Up/Down Counter
Motorola => Freescale
MC14029B Datasheet PDF : 8 Pages
1
2
3
4
5
6
7
8
TIMING DIAGRAM
CLOCK
CARRY IN
UP/DOWN
BINARY/DECADE
PE
P0
P1
P2
P3
Q0
Q1
Q2
Q3
CARRY OUT
COUNT 0 1 2 3 4 5 6 7 8 9 8 7 6 5 4 3 2 1 0 0 9 6 7 0
Cout
U/D
B/D
P3
Q3 Q2 Q1 Q0
MC14029B
Cin
MSD
PE
P2 P1 P0 CLK
INPUT
CLOCK
“1”
VDD
Cout
U/D
B/D
P3
Q3 Q2 Q1 Q0
Cin
MC14029B
PE
P2 P1 P0 CLK
“2”
VDD
Cout
U/D
B/D
P3
Q3 Q2 Q1 Q0
MC14029B
Cin
LSD
PE
P2 P1 P0 CLK
“3”
VDDVDD
CLOCK
Cout
1
(LSD)
Cout
2
Cout
3
(MSD)
PE
COUNT
^
* tW 900 ns @ VDD = 5 V
Figure 3. Divide by N BCD Down Counter and Timing Diagram
(Shown for N = 123)
OUTPUT
MC14029B
124
MOTOROLA CMOS LOGIC DATA
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