Overview
The FM24W256-GTR, produced by Infineon Technologies, is a 256-Kbit nonvolatile memory device that employs an advanced ferroelectric random access memory (F-RAM) process. This device is logically organized as 32K × 8 bits and is accessed via a fast 2-wire Serial (I2C) interface. The FM24W256-GTR offers superior write performance, high endurance, and low power consumption, making it an ideal replacement for serial (I2C) EEPROM in various applications.
Key Specifications
| Specification | Value |
|---|---|
| Memory Size | 256 Kbits (32K × 8 bits) |
| Interface | 2-wire Serial (I2C) |
| I2C Frequency | Up to 1 MHz |
| Voltage Operation | 2.7 V to 5.5 V |
| Temperature Range | –40 °C to +85 °C |
| Package | 8-pin SOIC |
| Endurance | 100 trillion (10^14) read/write cycles |
| Data Retention | 151 years |
| Active Current | 100 μA at 100 kHz |
| Standby Current | 15 μA (typ) |
| RoHS Compliance | Yes |
Key Features
- High-endurance with 100 trillion (10^14) read/write cycles
- NoDelay™ writes, allowing immediate write operations without delays
- Fast 2-wire Serial (I2C) interface with up to 1 MHz frequency
- Wide voltage operation: 2.7 V to 5.5 V
- Industrial temperature range: –40 °C to +85 °C
- Low power consumption with 100 μA active current at 100 kHz and 15 μA standby current
- Direct hardware replacement for serial (I2C) EEPROM
- RoHS compliant
Applications
The FM24W256-GTR is suitable for various applications requiring frequent or rapid writes, such as:
- Data logging, where the number of write cycles is critical
- Demanding industrial controls, where the long write time of EEPROM can cause data loss
- Automotive systems, industrial automation, and medical devices that require high reliability and low power consumption
Q & A
- What is the memory size of the FM24W256-GTR?
The FM24W256-GTR has a memory size of 256 Kbits, organized as 32K × 8 bits. - What type of interface does the FM24W256-GTR use?
The FM24W256-GTR uses a 2-wire Serial (I2C) interface. - What is the maximum I2C frequency supported by the FM24W256-GTR?
The FM24W256-GTR supports up to 1 MHz I2C frequency. - What is the voltage operation range of the FM24W256-GTR?
The FM24W256-GTR operates within a voltage range of 2.7 V to 5.5 V. - What is the temperature range for the FM24W256-GTR?
The FM24W256-GTR is specified to operate within an industrial temperature range of –40 °C to +85 °C. - What is the package type of the FM24W256-GTR?
The FM24W256-GTR is available in an 8-pin SOIC package. - How many read/write cycles can the FM24W256-GTR endure?
The FM24W256-GTR can endure 100 trillion (10^14) read/write cycles. - What is the data retention period of the FM24W256-GTR?
The FM24W256-GTR has a data retention period of 151 years. - Is the FM24W256-GTR RoHS compliant?
Yes, the FM24W256-GTR is RoHS compliant. - Can the FM24W256-GTR replace serial (I2C) EEPROM?
Yes, the FM24W256-GTR can be used as a direct hardware replacement for serial (I2C) EEPROM.
