The RTC-8564NB:B3:ROHS is a low-power CMOS Real-Time Clock (RTC) IC produced by Epson. This device provides accurate timekeeping with extremely low power consumption. The RoHS suffix indicates that the part is compliant with the Restriction of Hazardous Substances directive. It integrates a 32.768 kHz crystal oscillator, calendar, alarm function, and I2C interface into a compact package. It is designed for applications requiring accurate timekeeping and long battery life.

Applications

• Consumer Electronics: Handheld devices, portable media players, and digital cameras.
• Industrial Automation: Data loggers, process controllers, and industrial monitoring systems.
• Metering: Smart meters for electricity, water, and gas.
• Office Equipment: Printers, copiers, and fax machines.
• Point-of-Sale (POS) Systems: Cash registers and credit card terminals.
• Automotive: Car navigation systems and telematics devices.
• Medical Devices: Portable medical equipment and monitoring devices.

Features

• Low Power Consumption: Operates with very low current draw, extending battery life.
• I2C Interface: Simple two-wire I2C interface for communication with microcontrollers.
• Calendar Function: Keeps track of year, month, day, weekday, hours, minutes, and seconds.
• Alarm Function: Programmable alarm with interrupt output.
• Automatic Backup Switching: Automatically switches to battery backup in case of main power failure.
• RoHS Compliant: Free from restricted hazardous substances.
• Small Package: Available in compact packages for space-constrained applications.

Benefits

• Accurate Timekeeping: Provides reliable and precise time information.
• Extended Battery Life: Low power consumption minimizes battery drain.
• Easy Integration: Simple I2C interface simplifies design and implementation.
• Environmentally Friendly: RoHS compliance ensures adherence to environmental regulations.
• Cost-Effective: Provides a cost-efficient solution for adding real-time clock functionality.
• Reliable Performance: Designed for stable operation in various environments.

Additional Details

The RTC-8564NB:B3:ROHS typically operates with a supply voltage range of 1.3V to 5.5V. It utilizes a standard 32.768 kHz crystal oscillator for timekeeping. The operating temperature range generally spans from -40°C to +85°C. The part includes an integrated power management circuit for backup power switching. The device also offers a programmable clock output function. Its small size and low power requirements make it suitable for a wide range of portable and battery-powered applications.