Fujitsu MB85RC512T 512 kBit FRAM memory module

Product Summary

The RAK15004 FRAM module is featuring the Fujitsu MB85RC512T storage chip.

Editorial narrative

The RAK15004 FRAM module is featuring the Fujitsu MB85RC512T storage chip. With this low power none-volatile RAM you can secure your settings and collected data from power outage without the limitation of write cycles as known by other NVRAM technologies. With a data retention of 10 years and 10 trillion write cycles it outperforms any EEPROM or Flash storage devices. It’s capacity of 64 kByte is sufficient for most applications Features Temperature range: -40℃ to +85℃ I2C compatible digital interface Operating power supply current 0.71 mA (Typ @3.4 MHz) 1.2 mA (Max @3.4 MHz) Standby current 15 μA (Typ) 64 kBytes / 512 kBit storage capacity High Reliability: Read/write endurance : 1013 cycles Data retention: 10 years ( + 85 °C), 95 years ( + 55 °C) Module size: 10 x 10mm Documentation Datasheet WisBlock Quick Start Guide WisBlock Source Code Repository RAK15004 3D Model 24-Pin Male Connector 3D File WisBlock Sensor Tutorial Tutorials WisBlock Starter Kit and RAK Edge Gateway Complete LoRaWAN Guide Installation of Board Support Package in Arduino IDE The Icing on the Cake: A Template to Innovate Custom IoT Applications with RAKwireless and Datacake Check Hackster Projects Articles Choosing Between WisBlock Modules For Your Next IoT Project? Take A Quiz! Why We Make WisBlock: The Story Behind RAK’s Modular IoT Platform Build your IoT Breakthroughs Fast with the WisBlock System! RAKwireless Announces Partnership with One Planet Education Network (OPEN) to Launch STEM IoT Sensor Kits for Schools Worldwide RAKwireless Launches New Modular Product Series - WisBlock New WisBlock Modules in RAK Autumn Launch WisBlock Success Stories Enology + IoT = Great Wine A winery modernization by Enotek Saving the Wetlands with a Solution from The Group Lab

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• Last verified: 2026-06-01