Product Overview: 25AA256-E/ST

The 25AA256-E/ST is a high-quality, 256K SPI Serial EEPROM from Microchip Technology, designed to provide robust storage solutions for a wide range of applications. This EEPROM device offers a substantial 256 Kbits of memory and operates over the standard temperature range, ensuring reliable performance in various environments.

Key Features

• Memory Size: 256K bits (32,768 x 8)
• Interface Type: Serial Peripheral Interface (SPI) compatible
• Speed: Supports SPI modes 0 and 3 with clock frequencies up to 10 MHz
• Operating Voltage: 1.8V to 5.5V, catering to a wide range of applications and power requirements
• Package: 8-pin TSSOP (Thin Shrink Small Outline Package) for space-efficient designs
• Temperature Range: Industrial grade (-40°C to +85°C), suitable for harsh environments
• Write Protection: Software write protection for the entire memory array
• Endurance: High reliability with 1 million erase/write cycles
• Data Retention: Guaranteed data retention for over 100 years
• Page Write Capability: Allows up to 64 bytes to be written in a single write cycle, enhancing write operations

Applications

The 25AA256-E/ST is versatile and can be utilized in various applications, including:

• Industrial and automotive control systems
• Medical devices
• Consumer electronics
• Telecommunication infrastructure
• Networking equipment
• Data storage devices that require long-term data retention

Quality and Support

Microchip Technology is known for its commitment to quality, and the 25AA256-E/ST is no exception. Customers can expect robust support, including comprehensive technical documentation, development tools, and a responsive customer service team. With its high endurance, wide operating voltage range, and substantial data retention capabilities, the 25AA256-E/ST is an excellent choice for designers looking for a reliable EEPROM solution.