BR24T128NUX-WTR

Product Overview

BR24T128NUX-WTR from Rohm Semiconductor is a non-volatile EEPROM memory IC with 128Kbit capacity and 16K x 8 organization. It communicates over an I2C interface at 400 kHz and operates from a 1.6V to 5.5V supply. The device is supplied in a surface-mount 8-UFDFN exposed-pad package identified as VSON008X2030. Its operating temperature range is -40°C to 85°C (TA), and its word or page write cycle time is 5ms.

Key Features

• 128Kbit EEPROM memory with 16K x 8 organization
• I2C serial interface operating at 400 kHz
• Supply voltage range of 1.6V to 5.5V
• Word or page write cycle time of 5ms
• Operating temperature range of -40°C to 85°C (TA)
• Surface-mount 8-UFDFN exposed-pad package, VSON008X2030

Applications

• Storing nonvolatile configuration parameters in microcontroller-based embedded systems
• Retaining calibration or identification data in compact surface-mount electronic assemblies
• Providing small persistent data storage for peripheral devices using an I2C bus

Design & Procurement Notes

Design considerations include matching the 1.6V to 5.5V supply range to the host system and verifying that the I2C bus timing supports the 400 kHz clock. The 16K x 8 organization and 5ms word or page write cycle time affect data layout and write scheduling. The -40°C to 85°C (TA) range defines the ambient operating envelope. The VSON008X2030 surface-mount package requires footprint and soldering compatibility with the selected PCB process. The 8-UFDFN exposed-pad package, also identified as VSON008X2030, should be considered together when reviewing land pattern, paste stencil, and reflow profiles.