Adafruit I2C Non-Volatile FRAM Breakout - 256Kbit / 32KByte : ID 1895 : $9.95 : Adafruit Industries, Unique & fun DIY electronics and kits
New I2C EERAM Memory from Microchip Allows Safe Data Storage at Power Loss | audioXpress
5 PCS DS1338Z-33+ SOP-8 DS133833 SMD-8 I2C RTC with 56-Byte NV RAM Chip IC | eBay
Solder Any Expansion Directly To Your Computer's Memory | Hackaday
Adafruit I2C Non-Volatile Ferroelectric Ram Breakout - 256Kbit / 32KByte for 3V or 5V Power and Logic or FRAM Storage to DIY Project 1895: Amazon.co.uk: Computers & Accessories
Original FM24cl64b-Gtr IC Ferroelectric RAM Memory 64kbit I2c 1MHz 8soic FM24cl64 - China FM24cl64b-Gtr, Electronic Components | Made-in-China.com
256 x 8-bit static low-voltage RAM with I2C-bus interface | NXP Semiconductors
10 PCS DS1338Z-33+ SOP-8 DS133833 I2C RTC with 56-Byte NV RAM new | eBay
1-10pcs】FM24C16B FM 24C16B High Quality New 100% Original F-RAM 16Kb Serial I2C 5V FRAM - AliExpress
FM24V02A-G by Infineon Ferroelectric RAM (FRAM) | Avnet
Booster Module Without Battery Ddr Memory Technology - Temu