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BQ4852YMC-85

BQ4852YMC-85 Description

The BQ4852YMC-85 is a robust and versatile Real Time Clock (RTC) IC designed by Benchmarq, a leading manufacturer of high-quality integrated circuits. This particular model is part of the BQ4852 series, known for its reliable performance and extensive feature set. The BQ4852YMC-85 is housed in a Through Hole package, specifically a 36-pin DIP (Dual In-line Package), and is available in a Tube packaging format. This makes it suitable for a wide range of applications where through-hole mounting is preferred for its durability and ease of integration.

The BQ4852YMC-85 operates within a voltage range of 4.5V to 5.5V, ensuring compatibility with various power supply configurations. It is designed to function efficiently within an operating temperature range of 0°C to 70°C, making it suitable for both standard and moderately elevated temperature environments. The timekeeping current for this RTC is a maximum of 1mA at the specified voltage range, ensuring low power consumption and long-term reliability.

BQ4852YMC-85 Features

The BQ4852YMC-85 offers several advanced features that set it apart from other RTC ICs in the market. Key features include:

• Alarm Functionality: The BQ4852YMC-85 includes an alarm feature that allows users to set specific times for triggering events. This is particularly useful in applications requiring precise scheduling and automated processes.
• Supervisor Function: The built-in supervisor function ensures system stability by monitoring the power supply and providing reset signals if the voltage drops below a certain threshold. This feature enhances the reliability of the system by preventing data corruption and ensuring proper operation.
• Watchdog Timer: The watchdog timer helps prevent system lockups by resetting the system if it fails to respond within a predefined time interval. This is crucial for maintaining the integrity and responsiveness of embedded systems.
• Parallel Interface: The BQ4852YMC-85 utilizes a parallel interface for communication, allowing for fast and efficient data transfer. This interface is ideal for systems requiring high-speed data access and manipulation.
• 24-Hour Time Format: The RTC maintains time in a 24-hour format (HH:MM:SS:hh), providing a clear and standardized representation of time. This format is widely used in industrial and commercial applications, ensuring compatibility and ease of use.

BQ4852YMC-85 Applications

The BQ4852YMC-85 is well-suited for a variety of applications due to its comprehensive feature set and reliable performance. Some specific use cases include:

• Industrial Control Systems: The robustness and reliability of the BQ4852YMC-85 make it ideal for industrial control systems where precise timekeeping and system monitoring are critical. The alarm and watchdog timer features ensure that processes are executed on schedule and that the system remains operational.
• Embedded Systems: In embedded systems, the low power consumption and supervisor function of the BQ4852YMC-85 help maintain system stability and extend battery life. The parallel interface allows for efficient data transfer, making it suitable for applications requiring real-time data processing.
• Telecommunications: The BQ4852YMC-85 can be used in telecommunications equipment for logging and monitoring purposes. The alarm function can trigger alerts for maintenance and system checks, ensuring continuous operation and timely intervention.
• Consumer Electronics: In consumer electronics, the BQ4852YMC-85 can provide accurate timekeeping for devices such as digital clocks, home automation systems, and smart appliances. The 24-hour time format and low power consumption make it a practical choice for these applications.

Conclusion of BQ4852YMC-85

The BQ4852YMC-85 is a highly capable Real Time Clock IC that offers a comprehensive set of features and reliable performance. Its alarm, supervisor, and watchdog timer functions provide enhanced system stability and precision, making it suitable for a wide range of applications. The parallel interface and low power consumption further enhance its versatility and efficiency. Despite being an obsolete model, the BQ4852YMC-85 remains a valuable component for applications requiring robust and reliable timekeeping solutions.