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M95256-WMN6P

M95256-WMN6P

STMicroelectronics
EEPROM Memory IC 256Kbit SPI 20 MHz 8-SOIC
NRND15,362 in stock

Overview

The M95256-WMN6P is a 256Kbit non-volatile EEPROM organized as 32K x 8 bits, designed for high-reliability data storage. It utilizes a high-speed SPI bus interface capable of clock frequencies up to 20 MHz and operates across a wide supply voltage range of 2.5V to 5.5V.

Why Choose This Part

This device features a low standby current of 2uA and a fast 20 MHz clock speed for efficient data throughput. It provides high endurance for write cycles and data retention suitable for long-term industrial deployment in a compact 8-SOIC package.

Applications

Parameter Storage
Retaining calibration constants and user configuration settings in industrial and consumer electronics.
Event Logging
Recording system logs and error codes in embedded systems where high endurance and low power are required.
Firmware Metadata
Storing bootloader parameters, version information, and security keys for system initialization.

Key Specifications

Technology EEPROM
Memory Size 256Kbit
Memory Type Non-Volatile
Memory Format EEPROM
Mounting Type Surface Mount
Package / Case 8-SOIC (0.154", 3.90mm Width)
Clock Frequency 20 MHz
Memory Interface SPI
Voltage - Supply 2.5V ~ 5.5V
Memory Organization 32K x 8
Operating Temperature -40degC ~ 85degC (TA)
Supplier Device Package 8-SOIC
Write Cycle Time - Word, Page 5ms

Getting Started

Interface this EEPROM with any microcontroller via the 4-wire SPI bus (Serial Clock, Chip Select, Master In, Master Out). Engineers can use standard SPI libraries to send the 8-bit instructions for Read, Write, or Write Enable operations while ensuring VDD is within the 2.5V to 5.5V range.

Also Consider

25LC256-I/SN MCHPMicrochip Technology - A highly compatible 256Kbit SPI EEPROM with similar voltage ranges and widely available library support.
AT25256B-SSHL-T MCHPMicrochip Technology - Offers 20 MHz performance and high endurance ratings as an alternative for SPI data storage.