The FM25CL64-S is a 64-Kb serial SPI F-RAM (Ferroelectric Random Access Memory) device manufactured by Ramtron (now Cypress Semiconductor/Infineon). This non-volatile memory combines the best features of RAM and ROM, offering high endurance, low power consumption, and fast write speeds compared to traditional EEPROM or flash memory. The FM25CL64-S provides a reliable and efficient storage solution for embedded systems.

Applications

• Data logging
• Meter reading systems
• Industrial control systems
• Medical equipment
• Automotive electronics

Features

• 64-Kb (8192 x 8) non-volatile memory
• High endurance: 10¹⁴ read/write cycles
• Fast SPI interface up to 40 MHz
• Low power consumption
• NoDelay™ writes
• Write protection feature
• RoHS compliant

Benefits

• Extremely long lifespan due to high read/write endurance
• High-speed SPI interface enables quick data access
• Low power operation makes it ideal for battery-powered applications
• Real-time data logging without write delays
• Reliable data retention even during power outages

Technical Specifications

The FM25CL64-S operates with a voltage range of 2.7V to 3.6V and utilizes a standard SPI serial interface for communication. The device boasts a typical active current of less than 4mA and a standby current of less than 10μA. The operating temperature range is -40°C to +85°C, making it suitable for a variety of industrial environments. The memory array is organized as 8192 rows of 8 bits each. Its fast write capability allows for continuous data logging without the delays associated with EEPROM or flash memory. The device is available in packages such as SOIC and TSSOP.