The S25FL004A is a 4-Mbit (512 Kbyte) Serial Flash memory device manufactured by Spansion (now Cypress Semiconductor, subsequently Infineon Technologies). It is designed for storing code and data in a variety of embedded systems.

Applications

• Embedded systems
• Data storage
• Boot code storage
• Firmware storage
• Configuration data storage
• Industrial controls
• Consumer electronics

Features

• 4-Mbit (512 Kbyte) capacity
• Serial Peripheral Interface (SPI)
• Single or Dual I/O
• Wide operating voltage range
• Low power consumption
• Sector erase and chip erase operations
• Write protection
• RoHS compliant

Benefits

• Non-volatile storage of code and data, retaining information even when power is off.
• Easy integration with microcontrollers via SPI interface.
• Flexibility in data access with single or dual I/O options.
• Suitable for various applications with wide operating voltage range.
• Extended battery life in portable devices due to low power consumption.
• Selective data modification with sector erase operation.
• Protection against accidental data corruption with write protection feature.

Additional Details

The S25FL004A is available in various packages, including SOIC, VSOP, and WSON. It supports SPI modes 0 and 3. The operating temperature range typically extends from -40°C to +85°C. Its small form factor and low power consumption make it ideal for space-constrained and power-sensitive applications. The device offers fast read and write speeds, allowing for quick data access and efficient system operation. It is commonly used for storing boot code, firmware, and configuration data in embedded systems.