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OnSemi: CD4047BCN, 4047B CMOS Low-Power Monostable/Astable Multivibrator IC (PDIP-14)
SKU
MD-02338
PKR 50.00
High-stability CMOS Monostable/Astable Multivibrator IC in a through-hole 14-pin DIP package. Requires only a single external resistor and capacitor network to precisely program pulse widths or continuous oscillation frequencies. Extremely popular for power inverter clocking, signal timing delay generation, and frequency multipliers.
⚡ Real-Time Stock:
200 Units
✔ In Stock & Ready to Ship
- Buy 3 for PKR 47.50 each and save 5%
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Category: Other
The CD4047BCN is a highly versatile, low-power complementary MOS (CMOS) integrated circuit capable of dual-mode timing operations. In astable (free-running) mode, it functions as a highly stable square-wave oscillator providing true and complemented outputs (Q and /Q) with a guaranteed 50% duty cycle, alongside a secondary high-speed oscillator output running at twice the baseline frequency. In monostable (one-shot) mode, it serves as an edge-triggered pulse stretcher, reacting flawlessly to either positive-going or negative-going signal thresholds.
Operating across a flexible voltage supply rail from 3.0V to 15V, it boasts exceptionally high noise immunity (typically 0.45 \(V_{DD}\)) and low power consumption. The device's input stages feature Schmitt-trigger characteristics, stabilizing noisy waveforms before output. Its straightforward circuit design simplifies standard system architectures, making it a critical choice for battery-powered instruments, logic clock generators, and legacy electrical power conversion modules.
Technical Specifications Table
| Attribute | Specification Value |
|---|---|
| Logic Family / Type | 4000 CMOS / Monostable-Astable Multivibrator |
| Operating Supply Voltage | 3.0 V to 15 V |
| Operating Modes | Gatable Astable (Free-Running) / Monostable (One-Shot) |
| Output Type | True (Q) and Complemented (/Q) Buffered Outputs |
| Duty Cycle Accuracy | Exactly 50% (on Q and /Q terminals) |
| Static Supply Current | 20 µA Max at 5V |
| Trigger Edge Options | Positive-Edge (+) or Negative-Edge (-) |
| External Timing Parts | 1 Resistor + 1 Capacitor required |
Key Applications to Highlight
- DC-to-AC Inverter Driving: Serving as the central clock heart to alternate firing pulses across push-pull power transistors in household UPS and power systems.
- Square-Wave Oscillators: Generating pristine reference clock signals for synchronized digital circuits.
- Frequency Multipliers / Dividers: Doubling or splitting baseline clock frequencies easily via integrated alternative pins.
- Time-Delay Generation: Creating precise propagation delays or stretching brief sensor inputs for microcontroller safety windows
| Part Number | CD4047BCN |
|---|---|
| Manufacturer | Onsemi |
| Weight (KG) | 0.010000 |
| Material | NA |
| Packing Unit | 1 Piece |
| Product Availability | In Stock |
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