RX8900SA:UA0 PURE SN

Real Time Clock Overview

The EPSON RX8900SA:UA0 PURE SN is a Real-Time Clock (RTC) IC belonging to the RX8900SA series. It features an I2C bus interface for data communication and supports YY-MM-DD-dd date formats with HH:MM:SS (24 hr) time formats. The device operates within a supply voltage range of 2.5 V to 5.5 V and includes battery backup switching capabilities. It is designed for surface mount installation in a 14-SOIC package, functioning reliably across a temperature range of -40°C to +85°C.

Real Time Clock Feature Summary

• I2C bus interface for serial communication
• Battery backup switching support
• Operating temperature range from -40°C to +85°C
• Supply voltage range of 2.5 V to 5.5 V

Real Time Clock Applications

• General purpose clock/calendar systems requiring I2C connectivity
• Data logging devices needing precise timekeeping
• Embedded systems operating in industrial temperature environments

Real Time Clock Procurement Notes

Verify the specific suffix 'PURE SN' against official Epson documentation to confirm material compliance and packaging details. Confirm availability through authorized distributors as lead times may vary. Ensure the 14-SOIC package dimensions match the target PCB footprint before ordering.

Real Time Clock Selection Notes

Select this component when an I2C-compatible RTC with battery backup switching is required. The 2.5 V to 5.5 V supply range offers flexibility for various logic levels. Consider the 14-SOIC package size for space-constrained designs. Verify that the -40°C to +85°C operating range meets the environmental requirements of the application.

Real Time Clock Part Context

This part belongs to the Epson RX8900SA series of real-time clocks. Other variants in this family include the RX8900SA:UA3, which shares similar electrical characteristics but may differ in packaging or suffix specifications. The series is characterized by low power consumption and high accuracy using a DTCXO.

Real Time Clock Replacement Considerations

Publicly confirmed substitute part numbers are not available in the provided source material. Consult Epson's official cross-reference guides or distributor databases for potential alternatives if this specific part number is unavailable.