RX8901CE XS B03

Real Time Clock Overview

The EPSON RX8901CE XS B03 is a Real-Time Clock (RTC) IC featuring an I2C bus interface and ±3 ppm accuracy. It operates within a supply voltage range of 1.6 V to 5.5 V and supports a current consumption of 1.5 µA at 3 V. The device provides date formats including YY-MM-DD-dd and time formats in HH:MM:SS (24-hour). It functions across a temperature range of -40°C to +105°C and is housed in a 10-SMD, no-lead package with dimensions of 3.2 x 2.5 mm.

Real Time Clock Feature Summary

• High precision frequency stability of ±3 ppm
• Low power consumption of 1.5 µA @ 3V
• I2C bus interface for digital communication
• Wide operating temperature range from -40°C to +105°C

Real Time Clock Applications

• Data logging systems requiring precise timestamping
• Industrial control equipment operating in wide temperature environments
• Portable electronic devices utilizing battery backup

Real Time Clock Procurement Notes

Verify the specific suffix 'XS B03' against official Epson Timing documentation to confirm pin configuration and packaging details. Ensure compatibility with system voltage levels between 1.6 V and 5.5 V. Confirm availability through authorized distributors as stock levels may vary.

Real Time Clock Selection Notes

Select this model when ±3 ppm accuracy is required compared to standard ±5 ppm variants. Ensure the design accommodates the 10-SMD footprint. Verify that the application environment stays within the specified -40°C to +105°C operational range for optimal performance.

Real Time Clock Part Context

This component belongs to the RX8901CE series of real-time clocks from Epson Timing. It shares core functionalities with other variants like the XB series but offers tighter frequency tolerance. The series is designed for applications needing reliable timekeeping with minimal power draw.

Real Time Clock Replacement Considerations

Direct substitutes include other RX8901CE variants such as RX8901CE XB B03 or RX8901CE XS A0B, depending on required accuracy and packaging. Verify pinout compatibility before substitution.