The FM25040-PG is a 4-Kb serial F-RAM (Ferroelectric Random Access Memory) utilizing an advanced ferroelectric memory technology. This device offers a fast write capability, low power consumption, and high endurance, making it suitable for a variety of data storage applications. Manufactured by Ramtron, it provides a reliable and efficient alternative to traditional EEPROM solutions.

Applications

• Data logging
• Configuration storage
• Metering
• Medical devices
• Industrial controls

Features

• 4-Kb (512 x 8) memory array
• High endurance: 100 trillion (10¹⁴) read/write cycles
• Fast write time: 150 ns
• Low power consumption: Active current of 300 μA (typical)
• Sleep mode current: 5 μA (typical)
• SPI serial interface: 40 MHz maximum clock frequency
• Write protection: Hardware write protection pin
• Operating voltage: 2.7V to 3.6V
• Operating temperature range: -40°C to +85°C
• RoHS Compliant

Benefits

• High Endurance: Enables use in applications requiring frequent data updates.
• Fast Write Time: Reduces delays and improves system performance.
• Low Power Consumption: Suitable for battery-powered and energy-efficient applications.
• SPI Interface: Simplifies integration with microcontrollers and other system components.
• Write Protection: Prevents accidental data corruption.
• Wide Operating Voltage: Provides flexibility in system design.

Additional Details

The FM25040-PG features a hardware write protection pin that can be used to prevent accidental overwrites. It utilizes the industry-standard SPI serial interface for communication, allowing for easy integration with microcontrollers and other system components. The device is available in a PDIP package. The high endurance and fast write times make it well-suited for applications that require frequent data updates. Its non-volatile nature ensures data retention even when power is removed, enhancing system reliability.