RX-4571LC:B3 PURE SN

Real Time Clock Overview

The RX-4571LC:B3 PURE SN is a Real Time Clock (RTC) manufactured by Epson Timing. It features a Serial 3-Wire bus interface and operates within a supply voltage range of 1.6 V to 5.5 V. The component supports surface mount installation in a VSOJ package with 12 pins. It functions without battery backup switching and maintains accuracy within +/-23 PPM. The device is rated for industrial temperatures, operating between -40°C and +85°C.

Real Time Clock Feature Summary

• Serial 3-Wire Interface
• 1.6 V to 5.5 V Operating Voltage
• -40°C to +85°C Temperature Range
• VSOJ 12-Pin Package

Real Time Clock Applications

• Industrial Control Systems
• Consumer Electronics
• Automotive Telematics

Real Time Clock Procurement Notes

Verify the specific suffix B3 against official Epson documentation to confirm pinout and electrical characteristics, as variations exist within the RX-4571LC family. Confirm RoHS compliance status through current datasheets before integration into regulated products.

Real Time Clock Selection Notes

Select this model when a compact 12-pin VSOJ footprint is required for space-constrained designs. Ensure the system power rail accommodates the 1.6 V minimum input. Verify that the host microcontroller supports the Serial 3-Wire protocol for time data retrieval.

Real Time Clock Part Context

This part belongs to the RX-4571LC series of real-time clocks from Epson Timing. The series provides precise timekeeping solutions for embedded applications requiring low power consumption and high reliability in varying environmental conditions.

Real Time Clock Replacement Considerations

Publicly confirmed substitute part numbers are not available in the provided source material. Consult Epson's official obsolescence notices or cross-reference guides for potential alternatives.