Manufacturer Part Number
25AA256-I/SM
Manufacturer
Microchip Technology
Introduction
The 25AA256 is a 256Kbit SPI interface EEPROM memory chip.
Product Features and Performance
Non-Volatile EEPROM
Memory Size: 256Kbit
SPI (Serial Peripheral Interface) Compatible
Clock Frequency: 10 MHz
Write Cycle Time: 5ms for Word/Page
Supports 1.8V to 5.5V Supply Voltage
Product Advantages
High density 256Kbit storage
Wide voltage range for various applications
Fast write cycle time for efficient data handling
SPI interface for easy integration into designs
Key Technical Parameters
Memory Format: EEPROM
Memory Organization: 32K x 8
Memory Interface: SPI
Voltage - Supply: 1.8V ~ 5.5V
Operating Temperature Range: -40°C ~ 85°C
Quality and Safety Features
Robust operating temperature range for extreme conditions
Static and dynamic wear leveling for reliability
Data retention typically rated for years at industrial temperatures
Compatibility
Standard 8-SOIC (0.209", 5.30mm Width) Package
Serial Peripheral Interface (SPI) compatible with many microcontrollers
Application Areas
Industrial Controls
Consumer Electronics
Automotive Systems
Telecommunications
Data-logging Applications
Product Lifecycle
Product Status: Active
Not nearing discontinuation
Replacements and upgrades are typically available if necessary
Several Key Reasons to Choose This Product
Long-term data retention in harsh environments
Flexible voltage range for battery-powered devices
High-speed data access for real-time applications
Industry-standard serial interface for ease of design and integration
Trusted manufacturer with reliable product quality