STMicroelectronics

NE556DT  

Programmable Timers and Oscillators

NE556DT Description

The NE556DT is a dual 555 type timer/oscillator IC manufactured by STMicroelectronics, designed for high-performance applications within the electronics industry. This obsolete device operates within a wide supply voltage range of 4.5V to 16V and is capable of generating frequencies up to 500kHz. It is compliant with the RoHS3 directive, making it suitable for environmentally conscious designs. The NE556DT is surface mountable and comes packaged in a tape and reel format, facilitating automated assembly processes. With a moisture sensitivity level of 1 (unlimited), this IC is well-suited for applications where moisture resistance is not a critical factor.

NE556DT Features

• Wide Operating Temperature Range: The NE556DT can operate effectively in temperatures ranging from 0°C to 70°C, making it suitable for a variety of environments.
• Dual Timer/Oscillator Functionality: As a dual 555 type timer/oscillator, the NE556DT offers twice the functionality in a single package, ideal for space-constrained applications.
• High Frequency Capability: Capable of generating frequencies up to 500kHz, the NE556DT is well-suited for applications requiring high-speed timing and oscillation.
• Low Supply Current: With a supply current of only 20 mA, the NE556DT is energy-efficient, reducing power consumption in designs.
• Surface Mount Technology: The NE556DT's surface mount design allows for compact and reliable integration into printed circuit boards.
• Compliance with Regulations: The NE556DT is REACH unaffected and RoHS3 compliant, adhering to stringent environmental and health standards.

NE556DT Applications

The NE556DT is ideal for a variety of applications where precise timing and oscillation are required. Some specific use cases include:

• Automotive Electronics: For timing and control functions in automotive systems, such as engine control units and lighting systems.
• Industrial Controls: In industrial automation for precise control of machinery and processes.
• Consumer Electronics: For timing functions in appliances, such as washing machines and microwave ovens.
• Telecommunications: In communication devices for signal processing and timing control.

Conclusion of NE556DT

While the NE556DT is an obsolete product, it remains a robust choice for applications requiring dual timer/oscillator functionality within a wide operating temperature range and high-frequency capabilities. Its compliance with environmental regulations and low power consumption make it a suitable choice for legacy systems and projects where space and energy efficiency are critical. Despite its age, the NE556DT's performance and reliability continue to make it a valuable component in the right applications.

NE556DT Documents

Download datasheets and manufacturer documentation for NE556DT