The RV4140ANC is a low-power Real-Time Clock (RTC) IC manufactured by Fairchild/ON Semiconductor. It's designed for accurate timekeeping while consuming minimal power, making it suitable for battery-operated and embedded applications where power conservation is crucial.

Applications

• Battery-powered devices
• Embedded systems
• Data loggers
• Time-stamping applications
• Portable instruments

Features

• Real-Time Clock (RTC): Maintains accurate time and date information.
• Low Power Consumption: Optimized for minimal power usage, extending battery life.
• I2C Interface: Facilitates easy communication with microcontrollers and other devices.
• Programmable Alarm: Enables setting an alarm to trigger events at a specific time.
• Backup Battery Input: Allows connection of a backup battery to ensure continuous timekeeping during power failures.
• 32.768 kHz Crystal Oscillator: Utilizes a standard crystal oscillator for precise timekeeping.

Benefits

• Accurate Timekeeping: Provides reliable time and date information.
• Extended Battery Life: Low power consumption maximizes battery runtime in portable and battery-powered devices.
• Easy Integration: I2C interface simplifies connection to host systems.
• Alarm Functionality: Enables time-based event triggering and scheduling.
• Data Protection: Backup battery support ensures continuous operation and data retention during power outages.

Additional Details

The RV4140ANC typically operates from a voltage range of 1.8V to 5.5V. It communicates via the I2C protocol, offering a straightforward interface for reading and writing time and control data. The device includes built-in functions such as automatic leap year compensation. Refer to the Fairchild/ON Semiconductor datasheet for detailed specifications regarding register settings, power consumption characteristics, and available package options. The 'C' suffix might denote a specific package type or temperature range variant.