Timer IC NE555
Category: ICs
₦400.00
The NE555 Timer IC is a highly popular and versatile integrated circuit used for timing, pulse generation, and oscillator applications in electronics projects.
Key Features
Highly stable timer and oscillator IC
Operates in monostable, astable, and bistable modes
Wide supply voltage range (4.5V – 15V)
Output current capability up to 200 mA
Low power consumption
Compatible with TTL and CMOS circuits
Simple three-terminal resistor-capacitor (RC) timing control
Ideal for LED flashers, pulse generators, and timers
Detailed Description
The NE555 Timer IC is one of the most widely used integrated circuits in electronics due to its versatility, reliability, and ease of use. It can be configured to generate precise time delays, oscillations, and pulse-width modulation (PWM) signals.
In monostable mode, it produces a single output pulse in response to a trigger signal. In astable mode, it functions as an oscillator generating continuous square waves, and in bistable mode, it acts as a flip-flop. This flexibility makes the NE555 suitable for a wide range of applications, from simple LED blinking circuits to complex timing and control systems.
The NE555 is commonly used in educational kits, Arduino projects, motor control circuits, sound generators, and timer-based automation systems. Its robust design allows operation in various electronic environments.
Technical Specifications
IC Type: Timer / Oscillator
Model: NE555
Supply Voltage Range: 4.5V – 15V DC
Output Current: Up to 200 mA
Timing Range: Microseconds to hours (depending on external components)
Operating Temperature: 0°C – 70°C
Package Type: DIP-8 / SOIC-8
Trigger/Input Logic Levels: TTL compatible
What’s in the Box
1 × NE555 Timer IC
Ideal For
Time delay circuits and pulse generation
LED flashers and chasers
Oscillator and PWM signal generation
Arduino and microcontroller projects
DIY electronics and educational experiments
Important Note
The NE555 timing depends on external resistors and capacitors, so carefully calculate your RC values for desired timing intervals. Ensure proper supply voltage to avoid unstable operation.