Product Overview: 25AA040A-I/SN from Microchip Technology

The 25AA040A-I/SN is a 4Kb SPI bus serial EEPROM from Microchip Technology, designed for data storage in applications that require low-power and reliable data retention. This memory device utilizes the popular Serial Peripheral Interface (SPI) protocol, enabling high-speed data transfer between the EEPROM and microcontrollers or microprocessors in embedded systems.

Key Features

• Memory Size: 4 Kbits (512 x 8)
• Interface Type: Serial SPI (Serial Peripheral Interface)
• Operating Voltage Range: 1.8V to 5.5V, accommodating various system voltage levels for flexible design options.
• Package: The device comes in an 8-pin SOIC (Small Outline Integrated Circuit) package, denoted by the suffix '-I/SN' in its part number, which is well-suited for space-constrained applications.
• Temperature Range: Industrial (-40°C to +85°C), ensuring reliable operation under extreme conditions.
• Write Cycle Time: 5 ms (maximum), allowing for efficient data management and fast updates.
• Endurance: Capable of 1 million erase/write cycles, providing a robust solution for applications that require frequent data changes.
• Data Retention: Guaranteed for over 100 years, offering long-term data integrity.

Applications

The 25AA040A-I/SN EEPROM is versatile and can be used in a wide array of applications, including:

• Industrial and automotive control systems
• Medical devices
• Smart cards
• Networking equipment
• Consumer electronics

Why Choose the 25AA040A-I/SN?

Microchip Technology's 25AA040A-I/SN offers a combination of reliability, flexibility, and performance, making it a preferred choice for designers and engineers. Its compatibility with the SPI bus interface ensures easy integration into existing designs, while its robust endurance and data retention capabilities provide peace of mind for critical data storage requirements. The device's low-power consumption and wide voltage range make it ideal for battery-operated and portable devices, where power efficiency is crucial.

With Microchip's reputation for quality and support, the 25AA040A-I/SN is not just a component but a reliable foundation for your data storage needs.