Manufacturer Part Number
25AA040AT-I/SN
Manufacturer
Microchip Technology
Introduction
4Kbit SPI Bus Serial EEPROM
Product Features and Performance
Non-Volatile EEPROM
SPI Serial Interface
4Kbit Memory Size
512 x 8 Memory Organization
10 MHz Clock Frequency
5ms Write Cycle Time for Word or Page
8V to 5.5V Supply Voltage Range
Surface Mount 8-SOIC Package
Product Advantages
Low-power operation
Wide voltage range compatibility
High-speed SPI interface
Reliable data retention
Key Technical Parameters
Memory Type: EEPROM
Memory Format: EEPROM
Memory Size: 4Kbit
Memory Organization: 512 x 8
Memory Interface: SPI
Clock Frequency: 10 MHz
Voltage - Supply: 1.8V ~ 5.5V
Operating Temperature: -40°C ~ 85°C
Quality and Safety Features
Extended temperature range operation
Data retention: Typically over 200 years
ESD protection
Compatibility
SPI Bus compatible
Supports various microcontrollers and microprocessors
Application Areas
Embedded systems
Consumer Electronics
Industrial applications
Automotive systems
Data logging systems
Product Lifecycle
Active
Not currently nearing discontinuation
Replacements or upgrades available if necessary
Several Key Reasons to Choose This Product
Reliable storage with over 200 years of data retention
Flexible voltage range for diverse applications
Fast data access with 10 MHz SPI compatibility
Suitable for harsh environments with wide operating temperature range
Easy integration with existing hardware due to standard 8-SOIC package
Microchip Technology's reputation for quality and support
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