The DS1342U+ is a highly integrated, low-power real-time clock (RTC) with a full binary-coded decimal (BCD) clock/calendar and 56 bytes of NV SRAM. Manufactured by Maxim Integrated, this device ensures precision timekeeping and data retention without the need for an external power source, making it an ideal solution for a wide range of applications including embedded systems, utility meters, and industrial equipment.

Key Features

• Accuracy: Maintains time with high precision, providing a timekeeping accuracy of ±2ppm from 0°C to +40°C.
• Power Management: Features a backup battery input and automatic switch to the battery when main power is lost, ensuring uninterrupted timekeeping.
• Communication: Utilizes an I²C interface for communication with microcontrollers, allowing for easy integration into existing systems.
• Form Factor: Comes in an 8-pin µSOP package, which is ideal for space-constrained applications.
• Extended Temperature Range: Operates reliably over an industrial temperature range of -40°C to +85°C.

Applications

• Embedded Systems
• Utility Metering
• Industrial Equipment
• Handheld Devices
• Consumer Electronics

Technical Specifications

Parameter Value Timekeeping Accuracy ±2ppm from 0°C to +40°C Interface I²C Package 8-pin µSOP Operating Temperature -40°C to +85°C NV SRAM 56 bytes

With its combination of accuracy, low power consumption, and robust feature set, the DS1342U+ from Maxim Integrated is a versatile and reliable choice for maintaining time and data in your critical applications.