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M95640-RMN6TP

M95640-RMN6TP

STMicroelectronics
EEPROM Memory IC 64Kbit SPI 20 MHz 8-SOIC
Active6,996 in stock
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Overview

The M95640-RMN6TP is a 64Kbit serial SPI EEPROM organized as 8192 x 8 bits, designed for reliable non-volatile data storage in embedded systems. It operates over a wide voltage range of 1.8V to 5.5V and supports a high-speed clock frequency of up to 20 MHz. The device features advanced data protection mechanisms, including hardware and software write protection, along with high ESD tolerance for robust performance in industrial environments.

Why Choose This Part

This EEPROM offers excellent noise immunity with Schmitt trigger inputs and a very low standby current of 1 uA for battery-sensitive applications. Its flexible write protection allows for securing specific quarters of the memory array or the entire chip, while the 20 MHz SPI interface ensures fast data throughput compared to standard I2C alternatives.

Applications

Firmware Configuration Storage
Storing boot parameters, calibration data, and device configuration settings that must persist across power cycles.
Event Logging
Recording system errors, usage statistics, or sensor data logs using the 5ms write cycle time for efficient updates.
User Preference Management
Retaining user-defined interface settings and operational modes in consumer or industrial handheld devices.

Key Specifications

Technology EEPROM
Memory Size 64Kbit
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 1.8V ~ 5.5V
Memory Organization 8K x 8
Operating Temperature -40degC ~ 85degC (TA)
Supplier Device Package 8-SOIC
Write Cycle Time - Word, Page 5ms

Getting Started

To interface with this device, connect the SPI lines (SCK, MOSI, MISO) and the Chip Select (S) pin to your microcontroller. Ensure the Hold and Write Protect (W) pins are tied high if their hardware features are not actively used. Most standard SPI libraries can manage the 8-bit instruction set used for read, write, and status register operations.

Also Consider

25LC640A-I/SN MCHPMicrochip Technology - A highly compatible 64Kbit SPI EEPROM with a similar 1.8V to 5.5V operating range and 10 MHz clock speed.
AT25640B-SSHL-T MCHPMicrochip Technology - Offers 20 MHz operation at 5V and features an ultra-low standby current suitable for power-constrained designs.
CAT25640VI-GT3 ONonsemi - An alternative 64Kbit SPI EEPROM in an 8-SOIC package that provides a similar instruction set and performance characteristics.

Categories

Memory & Storage > EEPROM Microcontrollers > STMicroelectronics