MRAM solution for unified code and data memory storage

UNISYST MRAM is a new class of unified memory that combines code storage and data memory into a single, high-performance non-volatile device. Designed to overcome the limitations of traditional NOR flash architectures, UNISYST simplifies system design while delivering high speed, endurance, and deterministic performance.

Built on Everspin’s proven STT-MRAM technology, UNISYST extends persistent memory into applications that demand fast access, real-time updates, and reliable operation across power cycles.

UNISYST MRAM’S Unified memory architecture stores code and data in a single device eliminating the need for separate NOR flash and SRAM/DRAM. This simplifies memory hierarchy and reduces BOM.

UNISYST bridges traditional configuration memory with higher-density persistent storage, enabling a seamless transition from flash-based designs.

UNISYST delivers high-bandwidth read and write performance in a non-volatile device, removing the write bottlenecks associated with flash.

Engineered for Real-Time Reliability

Built on Everspin’s proven STT-MRAM technology, UNISYST extends persistent memory into applications that demand fast access, real-time updates, and reliable operation across power cycles.

Beyond Flash, Without Write Bottlenecks

UNISYST bridges traditional configuration memory with higher-density persistent storage, enabling a seamless transition from flash-based designs and delivers high-bandwidth read & write performance in a non-volatile device, removing the write bottlenecks associated with flash.

Enhanced Serial NOR-Like

LPDDRx Ultra-Fast Read

Chiplet

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Product Family Orderable P/N Family Page Technology Avail Interface Interface Type Density I/O Width Operating Temp Speed Vdd Package Where to Buy Documents Product Inquiry Sample Request
PERSYST MR25H128AMDF MR25H128A Toggle MRAM MP Serial SPI 128Kb SPI -40 to +125C 40MHz 3.3 DFN-8 Small Flag Order MR25H128AMDF Documents MR25H128AMDF Product Inquiry MR25H128AMDF Sample Request MR25H128AMDF
PERSYST MR25H128AMDFR MR25H128A Toggle MRAM MP Serial SPI 128Kb SPI -40 to +125C 40MHz 3.3 DFN-8 Small Flag Order MR25H128AMDFR Documents MR25H128AMDFR Product Inquiry MR25H128AMDFR Sample Request MR25H128AMDFR
PERSYST MR25H40MDF MR25H40 Toggle MRAM MP Serial SPI 4Mb SPI -40 to +125C 40MHz 3.3 DFN-8 Small Flag Order MR25H40MDF Documents MR25H40MDF Product Inquiry MR25H40MDF Sample Request MR25H40MDF
PERSYST MR25H40MDFR MR25H40 Toggle MRAM MP Serial SPI 4Mb SPI -40 to +125C 40MHz 3.3 DFN-8 Small Flag Order MR25H40MDFR Documents MR25H40MDFR Product Inquiry MR25H40MDFR Sample Request MR25H40MDFR
PERSYST MR25H40CDC MR25H40 Toggle MRAM NR Serial SPI 4Mb SPI -40 to +85C 40MHz 3.3 DFN-8 Order MR25H40CDC Documents MR25H40CDC Product Inquiry MR25H40CDC Sample Request MR25H40CDC
PERSYST MR25H40CDCR MR25H40 Toggle MRAM NR Serial SPI 4Mb SPI -40 to +85C 40MHz 3.3 DFN-8 Order MR25H40CDCR Documents MR25H40CDCR Product Inquiry MR25H40CDCR Sample Request MR25H40CDCR
PERSYST MR25H40CDF MR25H40 Toggle MRAM MP Serial SPI 4Mb SPI -40 to +85C 40MHz 3.3 DFN-8 Small Flag Order MR25H40CDF Documents MR25H40CDF Product Inquiry MR25H40CDF Sample Request MR25H40CDF
PERSYST MR25H40CDFR MR25H40 Toggle MRAM MP Serial SPI 4Mb SPI -40 to +85C 40MHz 3.3 DFN-8 Small Flag Order MR25H40CDFR Documents MR25H40CDFR Product Inquiry MR25H40CDFR Sample Request MR25H40CDFR
PERSYST MR25H40VDF MR25H40 Toggle MRAM MP Serial SPI 4Mb SPI -40 to +105C 40MHz 3.3 DFN-8 Small Flag Order MR25H40VDF Documents MR25H40VDF Product Inquiry MR25H40VDF Sample Request MR25H40VDF
PERSYST EM004LXQBB310ISCR EM004LXQ xSPI, STT MRAM MP Serial xSPI Quad 4Mb 4-bit -40 to +85C 108MHz 1.8 BGA-24 Order EM004LXQBB310ISCR Documents EM004LXQBB310ISCR Product Inquiry EM004LXQBB310ISCR Sample Request EM004LXQBB310ISCR
PERSYST EM004LXQBB310ISCT EM004LXQ xSPI, STT MRAM MP Serial xSPI Quad 4Mb 4-bit -40 to +85C 108MHz 1.8 BGA-24 Order EM004LXQBB310ISCT Documents EM004LXQBB310ISCT Product Inquiry EM004LXQBB310ISCT Sample Request EM004LXQBB310ISCT
PERSYST EM004LXQBDH10ISCR EM004LXQ xSPI, STT MRAM MP Serial xSPI Quad 4Mb 4-bit -40 to +85C 108MHz 1.8 DFN-8 Small Flag Order EM004LXQBDH10ISCR Documents EM004LXQBDH10ISCR Product Inquiry EM004LXQBDH10ISCR Sample Request EM004LXQBDH10ISCR
PERSYST EM004LXQBDH10ISCT EM004LXQ xSPI, STT MRAM MP Serial xSPI Quad 4Mb 4-bit -40 to +85C 108MHz 1.8 DFN-8 Small Flag Order EM004LXQBDH10ISCT Documents EM004LXQBDH10ISCT Product Inquiry EM004LXQBDH10ISCT Sample Request EM004LXQBDH10ISCT
PERSYST EM008LXQBB310ISCR EM008LXQ xSPI, STT MRAM MP Serial xSPI Quad 8Mb 4-bit -40 to +85C 108MHz 1.8 BGA-24 Order EM008LXQBB310ISCR Documents EM008LXQBB310ISCR Product Inquiry EM008LXQBB310ISCR Sample Request EM008LXQBB310ISCR
PERSYST EM008LXQBB310ISCT EM008LXQ xSPI, STT MRAM MP Serial xSPI Quad 8Mb 4-bit -40 to +85C 108MHz 1.8 BGA-24 Order EM008LXQBB310ISCT Documents EM008LXQBB310ISCT Product Inquiry EM008LXQBB310ISCT Sample Request EM008LXQBB310ISCT