CD4047 DIP-14 CMOS Monostable/Astable Multivibrator IC
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Prices updated: 12 Oct 2026
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About this product
The CD4047 is a low-power CMOS IC that works as a monostable (one-shot) or astable (free-running) multivibrator. It comes in a 14-pin DIP package with positive or negative edge triggering, retriggering and buffered outputs. Typical uses include timing and delay circuits, pulse generation and frequency division.
Specifications
- Package
- DIP-14
- Technology
- CMOS, low power
- Function
- Monostable / astable multivibrator
- Maximum supply voltage
- Around 20 V
- Triggering
- Positive or negative edge, retriggerable
- Typical applications
- Timing, delay, frequency division
Frequently asked questions
How do I set the output frequency or pulse width?
The timing is set by an external resistor and capacitor connected to the timing pins. Use the formulas in the CD4047 datasheet for your chosen RC values.
Can it work with 5 V logic circuits?
Yes. CMOS outputs swing between the supply rails, so a 5 V supply gives 5 V logic levels that can drive other 5 V CMOS or TTL-compatible inputs. Confirm the exact limits in the datasheet for your supply.
