The Maxim Integrated DS12885Q is a high-performance, low-power real-time clock (RTC) with a full binary-coded decimal (BCD) clock/calendar and 114 bytes of static random access memory (SRAM). This device is designed to provide a comprehensive timekeeping solution for a wide range of applications that require accurate date and time tracking, such as embedded systems, servers, data loggers, and industrial control systems.

Key Features

• Integrated battery-backed non-volatile SRAM for data retention during power loss.
• Full BCD clock/calendar with leap year compensation valid up to the year 2100.
• Programmable alarm with interrupt function for event scheduling.
• Programmable square-wave output for peripheral devices.
• Interfaces with microprocessors through a multiplexed byte-oriented I/O port.
• Timekeeping current of less than 500nA, ensuring long battery life.
• Available in a Quick-Turn (Q) package, suitable for rapid prototyping and production.

Applications

• Embedded systems
• Industrial machines
• Network servers
• Utility power meters
• Electronic data loggers
• POS terminals

Product Description

The DS12885Q from Maxim Integrated is a versatile RTC chip that integrates a quartz crystal and other timing elements within a single package, simplifying design and reducing external component count. The device offers a wide operating temperature range, making it suitable for demanding environments. Its serial interface ensures easy integration with most microcontrollers and processors.

With its programmable interrupts and square-wave output, the DS12885Q can serve as a reliable time base for an entire system or trigger specific actions at predetermined times. Its precise timekeeping and calendar functionality make it an essential component for systems that require accurate, real-time scheduling and time-stamping.

The DS12885Q is a testament to Maxim Integrated's commitment to providing innovative, high-quality timing solutions that meet the evolving needs of modern electronic systems.