RX8901CE XS A0B

Real Time Clock Overview

The RX8901CE XS A0B is a Real-Time Clock (RTC) module manufactured by Epson Timing. It features an I2C bus interface and supports a date format of YY-MM-DD and time format of HH:MM:SS (24-hour). The device operates within a supply voltage range of 1.6 V to 5.5 V and functions across a temperature range of -40°C to +85°C. It is housed in a 10-SMD, no-lead package with a FOUT pin configuration. The component is part of the RX8901CE series and is supplied in bulk packaging.

Real Time Clock Feature Summary

• I2C Bus Interface for digital communication
• Operating Voltage Range: 1.6 V to 5.5 V
• Temperature Range: -40°C to +85°C
• 10-SMD, No-Lead Package with FOUT Pin

Real Time Clock Applications

• General purpose real-time clocking in embedded systems
• Data logging devices requiring time-stamping
• Industrial control systems operating within specified temperature limits

Real Time Clock Procurement Notes

Verify availability status as distribution may be restricted in certain regions. Confirm the specific suffix 'XS A0B' matches design requirements, as it denotes a +/-3ppm accuracy variant with a FOUT output pin. Check for updated lead times from Epson Timing distributors.

Real Time Clock Selection Notes

Select this model when high frequency stability (+/-3ppm) is required compared to standard variants. Ensure the system design accommodates the 10-SMD footprint and utilizes the I2C interface. Verify that the operating environment stays within the -40°C to +85°C range.

Real Time Clock Part Context

This component belongs to the Epson RX8901CE series of real-time clocks. It shares the core RTC functionality with other variants like the XB B06 but differs in accuracy specifications (+/-3ppm vs +/-5ppm), packaging style (Bulk vs Reel/Cut Tape), and pinout configuration (FOUT pin presence).

Real Time Clock Replacement Considerations

Direct substitutes include other RX8901CE variants such as RX8901CE XB B06 or RX8901CE XS B06, provided the pin compatibility and accuracy requirements align. Cross-model replacements from other manufacturers require careful verification of I2C register maps and power consumption characteristics.