Description
The LM555CN/NOPB, manufactured by Texas Instruments, is the legendary industry-standard timer IC used in countless electronic designs. Renowned for its versatility, it can act as a highly accurate time delay generator, a pulse width modulator, or an oscillator. Whether configured in monostable or astable mode, the 555 timer provides reliable, predictable performance, making it a foundational component for students, hobbyists, and professional engineers alike.
With its high current output capability—capable of sourcing or sinking up to 200mA—the LM555CN is powerful enough to drive relays, lamps, or other high-load components directly in many applications. Its ability to operate across a wide range of supply voltages and its robust timing control make it an essential, multi-purpose tool for any electronics laboratory.
Key Features
- Industry Standard: The most widely used timer IC, supported by extensive documentation, design examples, and community knowledge.
- Dual Timing Modes: Operates in both monostable (one-shot) and astable (free-running oscillator) configurations.
- High Output Current: Capable of sourcing or sinking up to 200mA, allowing for direct driving of many peripheral devices.
- Adjustable Duty Cycle: Precise control over output pulse width and frequency.
- TTL Compatibility: Output signals are fully compatible with standard TTL logic levels.
- Temperature Stability: Excellent temperature stability ensures consistent performance in varied environments.
Applications
- Precision Timing: Generating accurate delays for system control.
- Pulse Generation: Creating stable pulse trains for clock signals or sequential logic.
- Oscillators: Serves as the heart of basic waveform generation circuits.
- Sequential Timing: Used in multi-stage logic and industrial automation tasks.
Package Includes
- 1 x LM555CN/NOPB Precision Timer IC (Texas Instruments)
Technical Specifications
| Parameter | Specification |
|---|---|
| Device | LM555CN/NOPB |
| Manufacturer | Texas Instruments |
| Timing Modes | Monostable, Astable |
| Output Current | Up to 200mA (Source/Sink) |
| Shipping Weight | 0.01 kg |
| Shipping Dimensions | 5 × 5 × 1 cm |
Note: Product images are shown for illustrative purposes only and may differ from the actual product. For complete technical parameters, please refer to the official Texas Instruments datasheet.







