BR24T128-WZ

Product Overview

The BR24T128-WZ from Rohm Semiconductor is an 8-DIPK EEPROM memory IC with a 128Kbit non-volatile array organized as 16K x 8. It communicates over an I2C interface at a clock frequency of 400 kHz and operates from a 1.6V to 5.5V supply. The device is mounted through hole in an 8-DIP (0.300", 7.62mm) package and is specified for an ambient operating temperature range of -40°C to 85°C (TA). A 5ms word or page write cycle time supports repeated updates of stored data in embedded designs that require persistent configuration, calibration, or identification information.

Key Features

• 128Kbit EEPROM memory organized as 16K x 8
• I2C serial interface with 400 kHz clock frequency
• Non-volatile memory type
• 1.6V to 5.5V supply voltage range
• Through-hole 8-DIP (0.300", 7.62mm) / 8-DIPK package
• Operating temperature range of -40°C to 85°C (TA)
• 5ms word/page write cycle time

Applications

• Embedded control boards that store configuration parameters and device settings
• Measurement and instrumentation assemblies that retain calibration values after power removal
• Through-hole prototyping designs using I2C serial EEPROM storage

Design & Procurement Notes

When selecting the BR24T128-WZ for a design, match the host controller to the I2C 400 kHz interface and verify that the system supply remains within 1.6V to 5.5V. The 16K x 8 organization and 128Kbit capacity define the addressable data structure, while the 5ms word/page write cycle should be considered in firmware timing and write sequencing. The through-hole 8-DIP (0.300", 7.62mm) / 8-DIPK package supports through-hole PCB insertion, and the -40°C to 85°C (TA) ambient range sets the board-level thermal envelope. For procurement, confirm that the 8-DIPK footprint matches the intended through-hole PCB assembly process.