MC14040BD ON Semiconductor, MC14040BD Datasheet - Page 5

• Manufacturer Part Number: MC14040BD
• Description: IC COUNTER BINARY 12BIT 16-SOIC
• Manufacturer: ON Semiconductor
• Series: 4000Br

Specifications of MC14040BD

• Logic Type: Binary Counter
• Direction: Up
• Number Of Elements: 1
• Number Of Bits Per Element: 12
• Count Rate: 10MHz
• Trigger Type: Negative Edge
• Voltage - Supply: 3 V ~ 18 V
• Operating Temperature: -55°C ~ 125°C
• Mounting Type: Surface Mount
• Package / Case: 16-SOIC (3.9mm Width)
• Lead Free Status / RoHS Status: Contains lead / RoHS non-compliant
• Reset: -
• Timing: -

TIME-BASE GENERATOR
resistor connected directly to a standard 120 Vac power line
is applied to the clock input of the MC14040B. By selecting
A 60 Hz sinewave obtained through a 1.0 Megohm
120Vac
60Hz
CLOCK
RESET
NOTE:
Q10
Q12
Q11
Q1
Q2
Q3
Q4
Q5
Q6
Q7
Q8
Q9
Ground MUST be isolated
by a transformer or
opto-isolator for safety
reasons.
1
1.0M
≥20pF
2
4
V
CC
8
1/6 of HC14A
APPLICATIONS INFORMATION
Figure 4. Time-Base Generator
Figure 3. Timing Diagram
16
http://onsemi.com
MC14040B
32
Clock
MC14040B
5
V
64
CC
outputs Q5, Q10, Q11, and Q12 division by 3600 is
accomplished. The MC14012B decodes the counter
outputs, produces a single output pulse, and resets the binary
counter. The resulting output frequency is 1.0 pulse/minute.
Q10
Q12
Q11
Q5
128
13
12
10
9
256
14012B
1/2
512
8
1024
1
2
4
5
14012B
1/2
2048
6
4096
1.0 Pulse/Minute
Output