FM25W256-G

The FM25W256-G is a 256 Kbit (32 K x 8) serial Flash memory device manufactured by Cypress Semiconductor, designed for applications requiring non-volatile storage with fast read and write capabilities. This memory device utilizes a Serial Peripheral Interface (SPI) for communication, making it suitable for a wide range of embedded systems and applications.

Key Features:

1. Memory Density: The FM25W256-G offers a storage capacity of 256 Kbits, organized as 32,768 words of 8 bits each. This allows for the storage of a significant amount of data in a compact form factor.

2. Interface: The device operates using a standard SPI interface, which supports high-speed data transfer rates. This makes it compatible with various microcontrollers and processors that support SPI communication.

3. Operating Voltage: The FM25W256-G typically operates within a voltage range of 2.7V to 3.6V, making it suitable for low-power applications. This voltage range allows for flexibility in design, accommodating various power supply configurations.

4. Speed: The device supports fast read speeds, with typical read access times in the range of 30 ns. This enables quick retrieval of stored data, which is crucial for performance-sensitive applications.

5. Write and Erase Cycles: The FM25W256-G supports a high number of write and erase cycles, typically rated at 100,000 cycles per sector. This durability ensures that the device can handle frequent updates and modifications to the stored data.

6. Data Retention: The memory device boasts a data retention period of up to 20 years, ensuring that stored information remains intact even when power is removed. This feature is essential for applications where data integrity over time is critical.

7. Package Options: The FM25W256-G is available in various package types, including SOIC (Small Outline Integrated Circuit) and WSON (Wafer Level Chip Scale Package), allowing for flexibility in PCB design and space constraints.

8. Security Features: The device may include features such as write protection and secure access modes to prevent unauthorized access or modification of the stored data, enhancing the security of sensitive information.

9. Applications: The FM25W256-G is ideal for a variety of applications, including consumer electronics, automotive systems, industrial automation, and IoT devices, where reliable and fast non-volatile memory is required.

Summary:

In summary, the FM25W256-G from Cypress Semiconductor is a versatile and reliable serial Flash memory solution that combines high density, fast access speeds, and robust data retention capabilities. Its SPI interface and low power consumption make it an excellent choice for modern embedded applications that demand efficient and durable non-volatile storage.