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M24128-BRMN6P

M24128-BRMN6P

STMicroelectronics
EEPROM Memory IC 128Kbit I2C 1 MHz 450 ns 8-SOIC
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Overview

The M24128-BRMN6P is a 128-Kbit non-volatile serial EEPROM from STMicroelectronics organized as 16384 x 8 bits. It operates over a wide voltage range of 1.8V to 5.5V and supports the I2C protocol with clock frequencies up to 1 MHz. This component features internal error correction code (ECC) and very low power consumption, drawing only 1 uA in standby mode.

Why Choose This Part

The device includes hardware-based Error Correction Code (ECC) to enhance data reliability and endurance. Its 1 MHz Fast-mode Plus I2C interface allows for rapid data transfers, while the wide 1.8V to 5.5V supply range ensures compatibility with both legacy 5V systems and modern low-voltage microcontrollers.

Applications

Parameter Storage
Ideal for storing calibration constants, device configuration settings, and user preferences in industrial equipment.
Firmware Metadata
Used to store bootloader flags, versioning information, and lookup tables that must persist through power cycles.
Low-Power Data Logging
Suitable for battery-operated sensors requiring occasional non-volatile writes with minimal current draw.

Key Specifications

Technology EEPROM
Access Time 450 ns
Memory Size 128Kbit
Memory Type Non-Volatile
Memory Format EEPROM
Mounting Type Surface Mount
Package / Case 8-SOIC (0.154", 3.90mm Width)
Clock Frequency 1 MHz
Memory Interface I2C
Voltage - Supply 1.8V ~ 5.5V
Memory Organization 16K x 8
Operating Temperature -40degC ~ 85degC (TA)
Supplier Device Package 8-SOIC
Write Cycle Time - Word, Page 5ms

Getting Started

Communicate with the device using any standard I2C peripheral at a slave address determined by the state of the E2, E1, and E0 pins. Ensure a pull-up resistor is present on the SDA and SCL lines, and utilize the Write Control (WC) pin to hardware-protect data against accidental write cycles. The SO8N package fits standard 8-pin SOIC footprints common on many development breadboards and prototyping shields.

Also Consider

24LC128-I/SN MCHPMicrochip Technology - A widely available alternative with a similar 128-Kbit capacity and 8-SOIC footprint, though it typically supports a maximum clock frequency of 400 kHz.