Not quite - the chip the article refers to is the 47L04 [0], which is "just" NVSRAM built out of a RAM + EEPROM. I
do agree on FeRAM being cool, though - I have a few I2C chips en route, and I can't wait to get my hands on them.
[0] https://www.microchip.com/en-us/product/47L04