RX4901CE XB C06

Real Time Clock Overview

The RX4901CE XB C06 is a Real Time Clock (RTC) integrated circuit manufactured by Epson. It features a built-in frequency-adjusted 32.768 kHz crystal unit and supports SPI bus interfaces, including 3-wire and 4-wire configurations. The device operates with a typical current consumption of 240 nA at 3 V. It offers high precision with a frequency accuracy of +/-5 ppm and functions within an operating temperature range of -40°C to +105°C. The component is housed in a 10-SMD, No Lead package.

Real Time Clock Feature Summary

• Integrates a built-in frequency-adjusted 32.768 kHz crystal unit for precise timing without external components.
• Supports flexible communication via 3-wire or 4-wire SPI bus interface protocols.
• Provides ultra-low power consumption capabilities suitable for battery-backed applications.
• Capable of recording timestamps for multiple events using FIFO or direct modes.

Real Time Clock Applications

• Timestamp recording for event logging
• Data acquisition systems requiring precise timekeeping
• Industrial equipment monitoring

Real Time Clock Procurement Notes

Verify the specific suffix codes against official Epson documentation to ensure correct interface and packaging specifications. Confirm that the requested part matches the required temperature grade and voltage parameters. Cross-reference the manufacturer's latest datasheet to validate availability and any potential obsolescence notices before finalizing procurement orders.

Real Time Clock Selection Notes

Select this RTC for applications demanding high accuracy and low power usage. The built-in crystal eliminates the need for external resonators, simplifying PCB layout. Ensure the system design accommodates the 10-SMD package dimensions. Verify compatibility with the host microcontroller's SPI protocol support for seamless integration.

Real Time Clock Part Context

This component belongs to Epson's RX4901CE series of real-time clock modules. These devices are designed for embedded systems requiring reliable timekeeping. The series integrates timing generation and calendar functions into a compact surface-mount package, serving as a critical timing reference for digital electronics.

Real Time Clock Replacement Considerations

Consult official Epson substitution guides for verified alternatives. Generic RTC replacements may lack the specific built-in crystal calibration or interface compatibility required for this application.

Real Time Clock FAQ

What is the typical current consumption of the RX4901CE XB C06?

The typical current consumption is 240 nA at a 3 V supply voltage.

Does this RTC require an external crystal?

No, it includes a built-in frequency-adjusted 32.768 kHz crystal unit.