RX4901CE XB A00

Real Time Clock Overview

The RX4901CE XB A00 is a Real Time Clock (RTC) manufactured by Epson Timing. It features a 3-wire SPI bus interface and operates within a temperature range of -40°C to +85°C. The component provides a frequency stability of ±5 ppm at +85°C, with a monthly rate accuracy of ±8 seconds. It is housed in a compact 3.2 × 2.5 mm package with a maximum thickness of 1.0 mm.

Real Time Clock Feature Summary

• 3-wire / 4-wire SPI bus interface
• ±5 ppm stability at +85°C
• -40°C to +85°C operating temperature range
• Compact 3.2 × 2.5 mm package

Real Time Clock Applications

• Industrial equipment requiring precise timekeeping
• Automotive electronics systems
• Consumer devices needing low-power RTC solutions

Real Time Clock Procurement Notes

Verify the specific suffix 'XB A00' against official Epson documentation to confirm pin configuration and electrical parameters. Ensure compatibility with the target system's SPI interface voltage levels and protocol requirements before integration.

Real Time Clock Selection Notes

Select this model when a small form factor RTC with SPI connectivity is required for high-temperature environments up to 85°C. Consider the ±5 ppm stability specification for applications where long-term drift must be minimized without external compensation.

Real Time Clock Part Context

This part belongs to the RX4901CE series of real-time clocks from Epson Timing. The series offers various interface options and stability grades, with the XB variant typically denoting specific performance characteristics within the product line.

Real Time Clock Replacement Considerations

Check for direct substitutes within the RX4901CE family or other Epson RTCs with matching SPI interfaces and package dimensions. Verify that any replacement maintains the required ±5 ppm stability and temperature range specifications.