Texas Instruments

NE556N

NE556N Description

The NE556N from Texas Instruments is a dual 555-type timer/oscillator IC designed for precision timing and pulse generation applications. Housed in a 14-pin DIP package, this robust through-hole-mount component operates within a 4.5V to 16V supply range and delivers a frequency of up to 100kHz. With a 20mA supply current and 0°C to 70°C operating temperature range, it balances efficiency with reliability. The NE556N is ROHS3 compliant, REACH unaffected, and classified under EAR99, making it suitable for global industrial use. Its dual-timer architecture allows independent or cascaded operation, enhancing design flexibility.

NE556N Features

• Dual 555 Timers: Integrates two independent 555 timers in a single package, reducing board space and cost.
• Wide Voltage Range (4.5V–16V): Compatible with TTL and CMOS logic levels, ideal for mixed-signal systems.
• Low Power Consumption: 20mA supply current ensures energy efficiency.
• High Frequency (100kHz): Supports fast timing applications like PWM and frequency modulation.
• Industrial Robustness: Operates reliably across commercial temperature ranges (0°C–70°C).
• Through-Hole Mounting: Simplifies prototyping and repair in legacy systems.
• Regulatory Compliance: Meets ROHS3 and REACH standards for environmental safety.

NE556N Applications

The NE556N excels in precision timing, pulse generation, and oscillation tasks, including:

• Pulse-Width Modulation (PWM): Motor control, LED dimming, and power converters.
• Frequency Generation: Clock signals for microcontrollers or digital circuits.
• Time-Delay Circuits: Industrial automation, security systems, and sequential timing.
• Waveform Shaping: Square/triangle wave generation for audio or test equipment.
• Dual-Timer Systems: Redundant timing or synchronized multi-event control.

Conclusion of NE556N

The NE556N stands out for its dual-timer integration, wide voltage tolerance, and industrial-grade reliability, making it a versatile choice for engineers. Its low power consumption, high frequency capability, and compliance with environmental standards ensure suitability for both prototyping and mass production. Whether used in consumer electronics, industrial automation, or embedded systems, the NE556N delivers consistent performance, simplifying complex timing designs while reducing component count. A proven solution for decades, it remains a staple in the clock/timing IC category.