BU9873F-GTE2

Overview

The BU9873F-GTE2 is a Real-Time Clock (RTC) IC manufactured by ROHM Semiconductor, featuring an I²C bus serial interface. It supports date formats of YY-MM-DD-day and time formats in both 12-hour and 24-hour modes (HH:MM:SS). The device operates within a supply voltage range of 1.8 V to 5.5 V and functions across an operating temperature range of -40°C to +85°C. Packaged in an SOP-8 format, this component is classified as discontinued or end-of-life status.

Feature Summary

• I²C Bus Serial Interface for CPU connection
• Real-time clock with calendar functionality (Year/Month/Day/Week)
• Supports 12-hour and 24-hour time formats
• Discontinued product status

Applications

• General purpose real-time clocking in embedded systems
• Data logging devices requiring date/time stamps
• Consumer electronics with I²C connectivity

Procurement Notes

This component is listed as discontinued or not recommended for new designs. Availability is limited to existing stock or secondary markets. Verify the specific suffix 'GTE2' against current ROHM documentation to confirm exact package and tape/reel specifications before procurement planning.

Selection Notes

Designers should consider alternative active RTC components from the same manufacturer or industry standard equivalents. Ensure the replacement supports the required I²C interface speed and voltage levels (1.8V–5.5V). Check for pin compatibility if a direct drop-in replacement is necessary for existing PCB layouts.

Part Context

The BU9873 series includes variants such as BU9873FJ and BU9873FVM. The BU9873F-GTE2 specifically denotes the SOP-8 package variant. Other series members may offer additional features like alarm interrupts or leap year recognition, which are not explicitly detailed for this specific part number in the provided data.