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RTC-62421A:ROHS

RTC-62421A:ROHS Description

The RTC-62421A:ROHS is a Real Time Clock (RTC) IC designed by Epson, featuring a clock/calendar function with a parallel interface. This component is housed in a 18DIP package and is suitable for through-hole mounting. Although it is now considered obsolete, the RTC-62421A:ROHS remains a notable solution for applications requiring precise timekeeping and calendar functionality.

Key technical specifications include a supply voltage range of 4.5V to 5.5V, ensuring compatibility with various power supply systems. The timekeeping current is remarkably low, ranging from 1.8µA to 3µA at 2V to 5V, which makes this IC highly efficient for battery-powered applications. The RTC-62421A:ROHS supports both 12-hour and 24-hour time formats (HH:MM:SS) and includes a leap year feature, enhancing its accuracy over extended periods.

RTC-62421A:ROHS Features

• Low Power Consumption: With a maximum timekeeping current of 3µA at 2V to 5V, the RTC-62421A:ROHS is optimized for low-power applications, making it ideal for battery-operated devices.
• Leap Year Capability: This feature ensures accurate date calculations over multiple years, including leap years, providing reliable and precise timekeeping.
• Parallel Interface: The parallel interface allows for efficient data communication and integration with various microcontrollers and systems.
• Through Hole Mounting: The through-hole mounting type ensures robust mechanical stability and ease of installation on printed circuit boards.
• Wide Voltage Range: The 4.5V to 5.5V supply voltage range offers flexibility in power supply design and compatibility with different power sources.
• 12/24 Hour Time Format: The RTC-62421A:ROHS supports both 12-hour and 24-hour time formats, providing versatility in time display options.

RTC-62421A:ROHS Applications

The RTC-62421A:ROHS is well-suited for a variety of applications where accurate timekeeping and calendar functions are essential. Some specific use cases include:

• Embedded Systems: Ideal for embedded systems requiring precise time tracking and calendar functionality, such as industrial controllers, medical devices, and consumer electronics.
• Battery-Powered Devices: The low power consumption makes it suitable for battery-powered applications, ensuring long battery life without compromising timekeeping accuracy.
• Data Logging: Useful in data logging applications where accurate timestamps are required for recorded data, such as environmental monitoring systems and smart meters.
• Telecommunications: Can be employed in telecommunication systems for maintaining accurate time synchronization and logging call records.
• Consumer Electronics: Suitable for consumer electronics like digital cameras, home appliances, and smartwatches, where reliable timekeeping is crucial for user experience.

Conclusion of RTC-62421A:ROHS

Despite being marked as obsolete, the RTC-62421A:ROHS remains a reliable and efficient solution for applications requiring precise timekeeping and calendar functions. Its low power consumption, leap year capability, and versatile time format options make it a standout choice in the market. The robust through-hole mounting and wide voltage range further enhance its suitability for a wide range of applications. For designers and engineers looking for a dependable RTC IC, the RTC-62421A:ROHS offers a proven solution with significant benefits over similar models.