STMicroelectronics

NE556D  

Programmable Timers and Oscillators

NE556D Description

The NE556D is a dual 555 timer/oscillator IC designed by STMicroelectronics. This versatile component is part of the widely recognized 555 family, known for its reliability and ease of use in various timing and oscillator applications. The NE556D features a dual timer configuration, allowing for two independent timing circuits within a single package, making it highly efficient for applications requiring multiple timing functions.

NE556D Features

• Dual Timer Configuration: The NE556D integrates two independent 555 timers in a single package, providing the functionality of two separate timers without the need for additional components.
• Operating Temperature Range: The NE556D operates within a temperature range of 0°C to 70°C, making it suitable for a wide range of environmental conditions.
• Supply Voltage and Current: It operates with a supply voltage range of 4.5V to 16V and a supply current of 20 mA, offering flexibility in power supply requirements.
• Frequency Capability: The NE556D can achieve a frequency of up to 500kHz, making it ideal for high-speed timing applications.
• Surface Mount Technology: The NE556D is designed for surface mount applications, providing a compact and reliable solution for modern electronic designs.
• Com andpliance Safety: The NE556D is REACH unaffected and ROHS3 compliant, ensuring it meets the latest environmental and safety standards.
• Packaging and Moisture Sensitivity: The NE556D comes in a tube package and has a moisture sensitivity level (MSL) of 1 (unlimited), making it suitable for storage and handling in various conditions.

NE556D Applications

The NE556D is ideal for a variety of applications due to its dual timer configuration and high-frequency capabilities. Some specific use cases include:

• Pulse Generation: The NE556D can be used to generate precise pulses for digital circuits, providing accurate timing control.
• Frequency Division: It can divide input frequencies to produce lower frequency outputs, useful in clock generation and signal processing.
• Sequential Timing: The dual timers can be used to create sequential timing circuits, such as in motor control and sequencing applications.
• Oscillator Circuits: The NE556D can be configured to create stable oscillator circuits, suitable for applications requiring accurate frequency generation.
• Monostable and Astable Multivibrators: The NE556D can be used to create both monostable and astable multivibrators, providing versatile timing solutions for various electronic designs.

Conclusion of NE556D

The NE556D from STMicroelectronics is a robust and versatile dual timer/oscillator IC that offers significant advantages over similar models. Its dual timer configuration, wide operating voltage range, and high-frequency capability make it an ideal choice for a variety of timing and oscillator applications. The NE556D's compliance with environmental and safety standards, along with its surface mount technology, ensures it is suitable for modern electronic designs. Despite being marked as obsolete, the NE556D remains a reliable and efficient solution for applications requiring precise timing and oscillator functions.

NE556D Documents

Download datasheets and manufacturer documentation for NE556D