Texas Instruments

TLC556CDRG4

TLC556CDRG4 Description

The TLC556CDRG4 is a dual 555-type timer/oscillator IC from Texas Instruments, designed for a wide range of timing and oscillation applications. This device features two independent 555 timers in a single package, offering flexibility and efficiency in circuit design. It operates within a supply voltage range of 2V to 15V and consumes a low supply current of 720 µA, making it suitable for both low-power and high-voltage applications. The TLC556CDRG4 is housed in a 14-SOIC package and is available in a tape and reel format, facilitating surface mount assembly processes. It is rated for an operating temperature range of 0°C to 70°C, ensuring reliable performance in standard industrial environments. The device has a maximum frequency of 2.1MHz, providing high-speed timing capabilities. It is also compliant with REACH and ROHS3 standards, ensuring environmental safety and regulatory compliance.

TLC556CDRG4 Features

• Dual 555 Timers: The TLC556CDRG4 integrates two independent 555 timers, allowing for complex timing functions and reduced component count in multi-timer applications.
• Wide Operating Voltage Range: With a supply voltage range of 2V to 15V, the TLC556CDRG4 is versatile and can be used in a variety of power supply configurations.
• Low Supply Current: Consuming only 720 µA, this IC is energy-efficient and ideal for battery-operated or low-power systems.
• High-Speed Operation: Capable of operating up to 2.1MHz, the TLC556CDRG4 provides high-speed timing and oscillation capabilities.
• Surface Mount Packaging: The 14-SOIC package and tape and reel format make it suitable for automated assembly processes, enhancing manufacturing efficiency.
• Extended Temperature Range: The operating temperature range of 0°C to 70°C ensures reliable performance in standard industrial environments.
• Regulatory Compliance: The TLC556CDRG4 is REACH unaffected and ROHS3 compliant, meeting environmental and regulatory standards.

TLC556CDRG4 Applications

The TLC556CDRG4 is ideal for a variety of applications requiring precise timing and oscillation functions. Some specific use cases include:

• Pulse Generation: Ideal for generating precise timing pulses in digital circuits, such as in microcontroller peripherals or digital signal processing applications.
• Frequency Modulation: Useful in communication systems for modulating carrier signals with precise timing control.
• Sequential Timing: Can be used in sequential timing circuits, such as in motor control or LED lighting systems, where multiple timing functions are required.
• Oscillator Circuits: Suitable for oscillator applications, providing stable and accurate frequency generation.
• Monostable and Astable Multivibrators: Can be configured as monostable or astable multivibrators for various timing and pulse-width modulation applications.

Conclusion of TLC556CDRG4

The TLC556CDRG4 from Texas Instruments is a versatile dual 555-type timer/oscillator IC, offering a wide operating voltage range, low supply current, and high-speed operation. Its dual timer functionality and surface mount packaging make it an efficient choice for a variety of timing and oscillation applications. Although the product is now obsolete, its unique features and performance benefits continue to make it a valuable component for engineers and designers in the electronics industry.