And don't forget anti-fuse based one-time and few-time programmble memories.
Actually FRAM is only slightly younger than phase-chnage memmory and precedes MRAM and ReRAM by a considerable time.
Ramtron was founded in 1984 in Colorado Springs, Colorado and I was in the audience at the ISSCC at the unveiling of a prototype FRAM device in 1988.
Symetrix Corp. was founded in 1986 by Carlos Paz de Araujo, also in Colorado Springs.
So we could ask why has it taken so long to offer FRAM as an embeddede memory option?
What are the engineering and design challenges in creating successful IoT devices? These devices are usually small, resource-constrained electronics designed to sense, collect, send, and/or interpret data. Some of the devices need to be smart enough to act upon data in real time, 24/7. Are the design challenges the same as with embedded systems, but with a little developer- and IT-skills added in? What do engineers need to know? Rick Merritt talks with two experts about the tools and best options for designing IoT devices in 2016. Specifically the guests will discuss sensors, security, and lessons from IoT deployments.