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HomeElectronicsWeebit tapes out 22-nm nonvolatile resistive RAM

Weebit tapes out 22-nm nonvolatile resistive RAM

Weebit Nano has launched to manufacturing demo chips integrating an 8-Mbit resistive RAM, or ReRAM, in a 22-nm absolutely depleted silicon-on-insulator course of (FD-SOI) course of. Weebit labored with its improvement companions CEA-Leti and CEA-Listing to scale its ReRAM know-how right down to 22 nm. As embedded flash is unable to scale under 28 nm, the nonvolatile ReRAM addresses the necessity for smaller course of geometries for linked and low-power purposes like IoT and edge AI.

Together with an 8-Mbit ReRAM array, the embedded ReRAM module contains management logic, decoders, I/Os, and error correcting code. Weebit’s ReRAM additionally withstands harsh environmental situations, equivalent to excessive temperature, radiation, and electromagnetic fields. This makes it appropriate for automotive, medical, and industrial use instances. Demo chips comprise a full subsystem for embedded purposes, comprising the ReRAM module, a RISC-V microcontroller, system interfaces, reminiscence, and peripherals.

“FD-SOI know-how offers excessive efficiency with low voltages and low leakage to allow gadgets to function at greater frequencies with higher power effectivity,” mentioned Olivier Faynot, head of the Silicon Part Division of CEA-Leti. “It additionally permits simpler integration of further options equivalent to connectivity and safety. With Weebit ReRAM accessible on this course of, the trade can have a extremely environment friendly and sturdy NVM choice for his or her future product improvements.”

Weebit Nano

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