STMicroelectronics M24256-125 Automotive 256-Kbit Serial I2C EEPROM Datasheet

This document describes the features and characteristics of the M24256-125 automotive 256-Kbit serial I²C bus EEPROM, including compatibility with all I2C bus modes, 256 Kbit EEPROM memory array, 64-byte page size, byte write within 5 ms, page write within 5 ms, single supply voltage of 2.5 V to 5.5 V, operating temperature range from -40 °C to +125 °C, random and sequential read modes, write protect of the whole memory array, enhanced ESD/latch-up protection, more than 1 million write cycles, more than 40-year data retention, RoHS compliant and halogen-free packaging.


STMicroelectronics M24256-125 Automotive 256-Kbit Serial I2C EEPROM Datasheet - cover page
Brand
STMicroelectronics
Category
Memory
Document type
Datasheet
Language
English
Pages
30
File format
PDF
File size
287 KB
Published
09 August, 2012
Updated
28 September, 2023
MD5 checksum
3E20EFB11003A6EDCC55699C5A1F7A88

About this manual

The M24256-125 is a 256-Kbit (32 K x 8 bits) EEPROM compatible with the I2C bus, designed for automotive applications. It supports both 100 kHz Standard mode and 400 kHz Fast mode and operates with a single supply voltage ranging from 2.5 V to 5.5 V. The device features enhanced ESD and latch-up protection, ensuring reliability in harsh environments.

Key specifications include a page size of 64 bytes, with byte write operations completing within 5 ms. The memory array offers more than 1 million write cycles and a data retention period of over 40 years. The device is available in TSSOP8 and SO8 packages and is RoHS compliant and halogen-free.

What's inside

  • Description
  • Signal description
  • Memory organization
  • Device operation
  • InstructionS
  • Maximum rating
  • DC and AC parameters
  • Package mechanical data
  • Part numbering
  • Revision history

Specifications

Memory Capacity256 Kbit (32 Kbytes)
Organization32 K x 8 bits
Operating Voltage2.5 V to 5.5 V
Bus Modes100 kHz Standard, 400 kHz Fast
Write CyclesMore than 1 million
Data RetentionMore than 40 years
Page Write TimeWithin 5 ms

Frequently asked questions

What is the memory organization of the M24256-125?

The device is organized as 32 K x 8 bits.

Is the M24256-125 RoHS compliant?

Yes, the device is RoHS compliant and halogen-free.

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