MC14040BCL Motorola, MC14040BCL Datasheet - Page 4

• Manufacturer Part Number: MC14040BCL
• Description: 12-Bit Binary Counter
• Manufacturer: Motorola

TIME–BASE GENERATOR
connected directly to a standard 120 Vac power line is
applied to the clock input of the MC14040B. By selecting
MOTOROLA CMOS LOGIC DATA
A 60 Hz sinewave obtained through a 1.0 Megohm resistor
CLOCK
RESET
120 Vac
60 Hz
Q10
Q11
Q12
Q1
Q2
Q3
Q4
Q5
Q6
Q7
Q8
Q9
1
1.0 M
20 pF
2
4
C
R
MC14040B
APPLICATIONS INFORMATION
8
V DD
Q10
Q11
Q12
V SS
Q5
Figure 3. Timing Diagram
16
32
outputs Q5, Q10, Q11, and Q12 division by 3600 is ac-
complished. The MC14012B decodes the counter outputs,
produces a single output pulse, and resets the binary count-
er. The resulting output frequency is 1.0 pulse/minute.
MC14012B
64
1/2
128
256
MC14012B
512
1/2
1024
1.0 PULSE/MINUTE
2048
OUTPUT
4096
MC14040B
153