25AA640-I/SN - Microchip Technology

Manufacturer Part Number

25AA640-I/SN

Manufacturer

Microchip Technology

Introduction

The 25AA640-I/SN is a 64Kbit Electrically Erasable Programmable Read-Only Memory (EEPROM) device from Microchip Technology designed for storing data that must be preserved between power cycles.

Product Features and Performance

Non-Volatile Memory

EEPROM Technology

64Kbit Memory Size

Organized as 8K x 8

SPI Memory Interface

Maximum Clock Frequency of 1 MHz

Write Cycle Time Word, Page of 5ms

Voltage Supply Range: 1.8V to 5.5V

Operational Temperature range -40°C to 85°C

Surface Mount, 8-SOIC package

Product Advantages

SPI interface allows for simple connection to the majority of microcontrollers

Wide voltage range ensures compatibility with various logic levels

Broad operational temperature range fits a variety of environmental conditions

Non-volatile storage preserves data without power

Key Technical Parameters

Memory Size: 64Kbit

Memory Organization: 8K x 8

Clock Frequency: 1 MHz

Write Cycle Time: 5ms

Voltage Supply: 1.8V ~ 5.5V

Operating Temperature: -40°C ~ 85°C

Quality and Safety Features

Rigorous testing for reliability in harsh conditions

Compliant with industry-standard safety and quality norms

Compatibility

Compatible with systems requiring SPI-based EEPROM

Versatile voltage and temperature range for varied environments

Application Areas

Embedded Systems Storage

Configuration Settings Storage

Device Calibration Data

Industrial Applications

Consumer Electronics

Product Lifecycle

Status: Active

Not currently nearing discontinuation, ensuring long-term availability

Replacement or upgrade options available for future proofing

Several Key Reasons to Choose This Product

Reliable data retention in volatile power conditions

High compatibility with microcontroller systems due to SPI interface

Suitable for wide array of applications given its operational parameter range

Strong support and documentation from Microchip Technology

Flexible use in various environmental conditions thanks to its wide temperature and voltage range