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M48T251Y-70PM1

M48T251Y-70PM1 Description

The M48T251Y-70PM1 is a Phantom Time Chip from STMicroelectronics, part of the renowned Timekeeper® series. This chip is designed for precise timekeeping applications and is housed in a 32-pin DIP package, making it suitable for through-hole mounting. It operates within a voltage range of 4.5V to 5.5V and features a maximum timekeeping current of 5mA within this voltage range. The M48T251Y-70PM1 supports both 12-hour and 24-hour time formats (HH:MM:SS:hh) and includes a leap year feature for accurate long-term timekeeping.

This chip is designed for applications requiring reliable and precise timekeeping, such as embedded systems, industrial controls, and consumer electronics. It interfaces via a parallel connection, ensuring fast and efficient data transfer. The M48T251Y-70PM1 operates within an ambient temperature range of 0°C to 70°C, making it suitable for a variety of environmental conditions.

M48T251Y-70PM1 Features

• Timekeeping Precision: The M48T251Y-70PM1 offers accurate timekeeping with a maximum current draw of 5mA at supply voltages between 4.5V and 5.5V.
• Leap Year Feature: This feature ensures accurate timekeeping over extended periods, accounting for leap years automatically.
• Dual Time Format: Supports both 12-hour and 24-hour time formats (HH:MM:SS:hh), providing flexibility for various applications.
• Parallel Interface: The parallel interface allows for efficient data transfer, making it suitable for systems requiring rapid time data access.
• Through-Hole Mounting: The through-hole package type ensures robust mechanical stability and ease of integration into existing systems.
• Wide Operating Temperature Range: With an operating temperature range of 0°C to 70°C, the M48T251Y-70PM1 can be deployed in a variety of environments.
• Compliance and Standards: The chip is REACH unaffected and RoHS3 compliant, ensuring it meets environmental and safety standards.
• Moisture Sensitivity Level (MSL): The MSL rating of 1 (unlimited) indicates that the chip is not moisture-sensitive, reducing the risk of damage during handling and storage.

M48T251Y-70PM1 Applications

The M48T251Y-70PM1 is ideal for a range of applications where precise timekeeping is essential. Some specific use cases include:

• Embedded Systems: Providing accurate timekeeping for embedded systems in various industries, including automotive, industrial automation, and consumer electronics.
• Industrial Controls: Ensuring reliable time data for industrial control systems, where precise timing is crucial for process control and monitoring.
• Consumer Electronics: Used in devices such as digital clocks, smart meters, and other consumer products that require accurate time display and management.
• Data Logging: Ideal for data logging applications where time-stamped data is required for accurate record-keeping and analysis.

Conclusion of M48T251Y-70PM1

The M48T251Y-70PM1 is a robust and reliable Phantom Time Chip that offers precise timekeeping with a range of features tailored to meet the needs of various applications. Its support for both 12-hour and 24-hour time formats, combined with the leap year feature, ensures accurate long-term timekeeping. The parallel interface and through-hole mounting make it easy to integrate into existing systems, while its wide operating temperature range and compliance with environmental standards make it suitable for diverse environments.

Despite being marked as obsolete, the M48T251Y-70PM1 remains a valuable component for applications requiring reliable and precise timekeeping. Its unique features and advantages over similar models make it a preferred choice for engineers and designers in the electronics industry.