Texas Instruments

NE556DRG4

NE556DRG4 Description

The NE556DRG4 is a dual 555-type timer/oscillator integrated circuit (IC) manufactured by Texas Instruments. This IC is designed for applications requiring precise timing and oscillation functions. It operates within a temperature range of 0°C to 70°C, making it suitable for a variety of industrial and consumer electronics environments. The NE556DRG4 is packaged in a 14-pin SOIC (Small Outline Integrated Circuit) format and is available in a tape and reel (TR) package type, facilitating surface mount assembly processes.

NE556DRG4 Features

• Dual Timer/Oscillator Functionality: The NE556DRG4 features two independent 555-type timer/oscillator circuits, allowing for versatile timing and oscillation applications in a single package.
• Wide Operating Voltage Range: This IC operates within a supply voltage range of 4.5V to 16V, providing flexibility for various power supply configurations.
• Low Supply Current: With a supply current of only 20 mA, the NE556DRG4 is energy-efficient, making it ideal for battery-powered and low-power applications.
• High Frequency Capability: The NE556DRG4 can operate at frequencies up to 100kHz, enabling precise timing and oscillation control for high-speed applications.
• Surface Mount Technology: The surface mount mounting type ensures easy integration into modern PCB designs and supports automated assembly processes.
• Compliance and Safety: The NE556DRG4 is REACH unaffected and ROHS3 compliant, ensuring it meets environmental and safety standards for electronics manufacturing.
• Moisture Sensitivity Level: With a moisture sensitivity level (MSL) of 1 (unlimited), the NE556DRG4 is suitable for storage and handling in various environmental conditions without the need for special precautions.

NE556DRG4 Applications

The NE556DRG4 is ideal for a range of applications where precise timing and oscillation are required. Some specific use cases include:

• Pulse Generation: The dual timer/oscillator functionality makes it suitable for generating precise pulses in digital circuits, such as in clock generation for microcontrollers and other digital systems.
• Frequency Control: The ability to operate at frequencies up to 100kHz allows for frequency control applications, such as in signal generators and modulators.
• Timing Circuits: The NE556DRG4 can be used in timing circuits for applications like timing delays, pulse width modulation (PWM), and sequential timing in industrial control systems.
• Consumer Electronics: The wide operating voltage range and low supply current make it suitable for consumer electronics where power efficiency and reliability are critical.

Conclusion of NE556DRG4

The NE556DRG4, manufactured by Texas Instruments, is a versatile dual 555-type timer/oscillator IC that offers precise timing and oscillation capabilities in a compact 14-SOIC package. Its wide operating voltage range, low supply current, and high-frequency operation make it suitable for a variety of applications, from pulse generation to frequency control. While the product is now obsolete, its unique features and advantages over similar models continue to make it a valuable component in many existing designs. For new projects, engineers may need to consider alternative solutions, but the NE556DRG4 remains a reliable choice for maintaining legacy systems and applications where its specific capabilities are required.