The DS1391U-33+T&R from Maxim Integrated is a high-precision, low-power real-time clock (RTC) module that provides a full binary-coded decimal (BCD) clock/calendar with 56 bytes of NV SRAM. This advanced timekeeping module is designed to address the needs of a broad range of applications requiring accurate timekeeping and data storage without power supply.

Key Features

• High Accuracy: The DS1391U-33+T&R maintains time with high precision, ensuring that applications relying on accurate timekeeping perform optimally.
• Low Power Consumption: This RTC is designed for power-sensitive applications, consuming minimal power to extend battery life when the device is in standby mode.
• Automatic Backup: Equipped with an automatic backup mechanism that switches to an external battery supply during power failure, the DS1391U-33+T&R ensures uninterrupted timekeeping.
• Programmable Alarm: The device features a programmable alarm function that can be set to trigger on a specific date, day of the week, or time, making it versatile for various scheduling needs.
• Serial Interface: It includes a serial interface that facilitates easy communication with microcontrollers and other digital systems.
• Temperature Range: The module operates over an industrial temperature range, making it suitable for harsh environments.
• Surface-Mount Package: The DS1391U-33+T&R comes in a surface-mount package, ideal for space-constrained applications.

Applications

The DS1391U-33+T&R is a versatile component that can be used in a variety of applications such as:

• Telecommunication systems
• Embedded systems
• Industrial controllers
• Consumer electronics
• Portable medical devices

With its robust feature set and Maxim Integrated's reputation for quality, the DS1391U-33+T&R is an excellent choice for any application requiring reliable timekeeping and data retention.