RX8900SA:UB0 PURE SN

Real Time Clock Overview

The RX8900SA:UB0 PURE SN is a Real-Time Clock (RTC) integrated circuit manufactured by Epson Timing. It features an I2C bus interface and supports date formats of YY-MM-DD-dd and time formats of HH:MM:SS in 24-hour mode. The device operates within a supply voltage range of 2.5 V to 5.5 V and includes backup switching capabilities. It is designed for surface-mount installation in a 14-SOP package with a width of 5.00 mm. The component functions reliably across an extended temperature range from -40°C to +85°C, ensuring accurate timekeeping in various industrial and commercial applications.

Real Time Clock Feature Summary

• I2C Bus Interface for digital communication
• Backup Switching capability for continuous operation
• 14-SOP Package (5.00mm width)
• Operating Temperature Range: -40°C to +85°C

Real Time Clock Applications

• Industrial control systems requiring precise time synchronization
• Commercial data logging equipment
• Embedded systems with I2C connectivity

Real Time Clock Procurement Notes

Verify the specific suffix 'UB0' against official Epson documentation to confirm pinout and electrical characteristics, as suffixes often denote packaging or specific variant differences. Ensure compatibility with the target system's I2C voltage levels and address configuration before procurement.

Real Time Clock Selection Notes

Select this component when an I2C-connected RTC with backup switching is required. Confirm that the 14-SOP package fits the PCB layout constraints. Verify that the operating voltage range of 2.5V to 5.5V aligns with the system power supply design.

Real Time Clock Part Context

This part belongs to the RX8900SA series of real-time clocks from Epson Timing. The series is characterized by low power consumption and high accuracy. The 'PURE SN' designation typically indicates lead-free and halogen-free compliance, adhering to environmental standards such as RoHS.

Real Time Clock Replacement Considerations

Cross-reference with other RX8900SA variants if pin compatibility is critical. Verify functional equivalence with competing RTCs offering I2C interfaces and similar voltage ranges, ensuring package dimensions match.