ReRAMs finally hit the shelves

November 29, 2016 | 00:19
ReRAMs finally hit the shelves
ReRAMs finally hit the shelves
At last it looks like we will soon be able to take advantage of memory chips using ReRAM technology. Fujitsu Semiconductor has announced production of a 4 Mb ReRAM chip. Developed together with Panasonic Semiconductor Solutions the MB85AS4MT is the first mass-produced example using this technology and currently has the highest memory density of any ReRAM chip.

The MB85AS4MT has an SPI interface and operates with a supply voltage in the range from 1.65 to 3.6 V. One of the stand-out features of this technology is its low operating current of just 0.2 mA at a maximum read speed of 5 MHz, making it ideal for use in mobile battery powered applications like wearables or health appliances such as digital hearing aids.

In comparison with other non-volatile technologies such as EEPROM and flash memory, ReRAM uses less power and has improved data retention with a higher rewrite cycle spec. The chip is packaged in an 8-pin SOP outline (5.3 mm) making it pin compatible with other memories such as EEPROMs.

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