Description
The FM24W256 from Infineon is a high-performance 256-Kbit (32K × 8-bit) Ferroelectric RAM (FRAM) device. Unlike traditional EEPROM or Flash memory, FRAM utilizes ferroelectric technology to provide near-instantaneous write speeds, virtually unlimited write endurance, and extremely low power consumption. This device communicates via a standard I²C (2-wire) interface with clock speeds up to 1 MHz, making it a drop-in replacement for conventional serial memory chips in demanding applications.
Because FRAM is inherently non-volatile, it maintains data integrity without the need for periodic refreshes or long write-cycle wait times. With an industrial-grade operating temperature range (-40°C to +85°C) and a flexible supply voltage of 2.7V to 5.5V, the FM24W256 is an exceptional choice for data logging, real-time configuration updates, and mission-critical systems where high-frequency data changes are required.
Key Features
- High Density: 256-Kbit capacity, organized as 32K × 8-bit.
- Superior Technology: FRAM technology offers virtually unlimited write endurance compared to EEPROM.
- High-Speed Interface: I²C bus compatible with clock frequencies up to 1 MHz.
- Fast Writes: Near-instant write operations with no “write-cycle” delay, ideal for high-frequency logging.
- Low Power: Highly efficient energy consumption during both read and write operations.
- Wide Operating Range: Supports 2.7V to 5.5V supply voltage and industrial temperatures (-40°C to +85°C).
Applications
- Data Logging: Perfect for frequent, high-speed recording of sensor data and system status.
- Real-Time Configuration: Ideal for storing settings that change frequently during system operation.
- Industrial Controllers: Reliable memory for PLCs, automation equipment, and process control systems.
- Embedded Systems: Robust memory solution for applications requiring high reliability and rapid performance.
Package Includes
- 1 x FM24W256-GTR FRAM Memory IC (SOIC-8)
Technical Specifications
| Parameter | Specification |
|---|---|
| Device | FM24W256-GTR |
| Memory Capacity | 256 Kbit (32K × 8-bit) |
| Interface | I²C |
| Max Frequency | 1 MHz |
| Supply Voltage | 2.7V – 5.5V |
| Operating Temp | -40°C to +85°C |
| Package Type | SOIC-8 |
Note: Product images are shown for illustrative purposes only and may differ from the actual product. For complete technical parameters and timing diagrams, please refer to the official Infineon/Cypress datasheet.
