STMicroelectronics

SA555D

SA555D Description

The SA555D from STMicroelectronics is a 555 type, single timer/oscillator IC designed for a wide range of timing applications. This versatile IC operates within a supply voltage range of 4.5V to 16V and can handle a supply current of up to 10 mA. The SA555D is housed in a surface mount package, specifically an 8-SOIC, making it suitable for compact and space-constrained designs. It offers a maximum frequency of 500kHz, ensuring precise timing control for various applications. The device is REACH unaffected and RoHS3 compliant, adhering to stringent environmental standards. The SA555D is available in a tube package and has a moisture sensitivity level (MSL) of 1 (unlimited), making it suitable for storage and handling in various environments. Despite its obsolescence status, the SA555D remains a reliable choice for legacy systems and specific applications where its unique features are required.

SA555D Features

• ECCN Classification: EAR99, indicating general availability without specific export restrictions.
• Mounting Type: Surface Mount, ideal for modern PCB designs requiring compact components.
• Supply Current: 10 mA, ensuring efficient power usage and minimal heat generation.
• Supply Voltage Range: 4.5V to 16V, providing flexibility in power supply options.
• Frequency Capability: Up to 500kHz, suitable for high-precision timing applications.
• Package Type: 8-SOIC, offering a compact and robust solution for surface mount technology.
• Environmental Compliance: REACH unaffected and RoHS3 compliant, ensuring adherence to environmental regulations.
• Moisture Sensitivity Level: MSL 1 (unlimited), allowing for versatile storage and handling conditions.

SA555D Applications

The SA555D is well-suited for a variety of applications where precise timing and oscillation are required. Its wide voltage range and high-frequency capability make it ideal for:

• Timing Circuits: Generating accurate timing intervals for microcontrollers and other digital circuits.
• Oscillator Circuits: Creating stable oscillations for signal generation and clocking applications.
• Monostable and Astable Multivibrators: Implementing pulse generation and frequency division in digital systems.
• Sequential Timing Applications: Controlling the timing of sequential operations in industrial and consumer electronics.
• Legacy Systems: Maintaining compatibility with older systems that rely on the 555 timer/oscillator architecture.

Conclusion of SA555D

The SA555D from STMicroelectronics is a robust and versatile 555 type timer/oscillator IC that offers precise timing control and high-frequency performance. Its surface mount package and wide supply voltage range make it suitable for a variety of applications, from simple timing circuits to complex sequential systems. Despite being marked as obsolete, the SA555D remains a reliable choice for specific applications where its unique features are essential. Its environmental compliance and moisture sensitivity level ensure it meets modern standards for sustainability and reliability. For engineers and designers working with legacy systems or requiring a compact, high-performance timer/oscillator, the SA555D is an excellent option.