M24C64-RMN6TP 64-Kbit I²C Serial EEPROM | SOIC-8 Memory IC | STMicroelectronics

M24C64-RMN6TP

64-Kbit (8K × 8) serial EEPROM with I²C-compatible interface, operating from 1.8 V to 5.5 V and supporting clock frequencies up to 1 MHz, offered in SOIC-8 package for non-volatile storage of configuration parameters, calibration data, and small data logs.

Product Description

Product Overview

The M24C64-RMN6TP is a 64-Kbit I²C serial EEPROM from ST’s M24C64-R family, organized as 8K × 8 bits with byte addressing, supporting byte write, page write, and sequential read as standard serial EEPROM access modes.

It supports I²C standard, fast, and 1-MHz fast-mode plus operation, and with a 1.8–5.5 V supply range it fits 1.8 V, 2.5 V, 3.3 V, and 5 V logic systems. Endurance is specified in the million-cycle class with typical data retention beyond 200 years, making it robust for long-life industrial and consumer products.

The device comes in an SOIC-8 (SO8N) surface-mount package, rated for –40°C to +85°C operation and supplied in tape-and-reel for volume SMT manufacturing.

Key Features

Memory density: 64 Kbit organized as 8K × 8 bits
Serial interface: I²C-compatible, supporting standard, fast, and 1-MHz modes
Operating supply voltage: 1.8 V to 5.5 V
Clock frequency up to 1 MHz (fast-mode plus)
Page write operation (typical 32-byte page) with write cycle around 5 ms
Supports random read, sequential read, and current-address read
Typical supply current around 2.5 mA under high-speed access
Data retention over 200 years and more than 4-million write cycles (array level)
Package: SOIC-8 (SO8N), tape-and-reel packaging

Product Applications

Storage of boot configuration, parameters, and calibration coefficients in MCU/MPU systems
Parameter and event logging for industrial controllers, PLCs, and field devices
Serial numbers, MAC addresses, and key storage in communication gateways, routers, and IoT endpoints
Non-volatile data retention in smart meters, energy management, and building automation systems
Configuration tables, calibration data, and history logs in medical and test/measurement equipment
User settings and mode storage in consumer electronics such as smart home, wearables, and A/V devices

Technical Specifications

Parameter	Specification
Density	64 Kbit（8K × 8）
Interface	I²C (2-wire)
Supply Voltage	1.8 – 5.5 V
Clock Frequency	up to 1 MHz
Write Cycle Time	Typical 5 ms
Page Size	32 bytes
Operating Temp	–40°C ~ +85°C
Data Retention	> 200 years
Endurance	> 4M cycles
Package	SOIC-8 (SO8N)

RFQ & Support
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