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

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Product Family Orderable P/N Family Page Technology Documents Avail Interface Interface Type Density I/O Width Operating Temp Speed Vdd Package Where to Buy Product Inquiry Sample Request
PERSYST MR25H256CDF MR25H256 Toggle MRAM Documents MR25H256CDF NR Serial SPI 256Kb SPI -40 to +85C 40MHz 3.3 DFN-8 Small Flag Order MR25H256CDF Product Inquiry MR25H256CDF Sample Request MR25H256CDF
PERSYST MR25H256CDFR MR25H256 Toggle MRAM Documents MR25H256CDFR NR Serial SPI 256Kb SPI -40 to +85C 40MHz 3.3 DFN-8 Small Flag Order MR25H256CDFR Product Inquiry MR25H256CDFR Sample Request MR25H256CDFR
PERSYST MR25H256MDF MR25H256 Toggle MRAM Documents MR25H256MDF NR Serial SPI 256Kb SPI -40 to +125C 40MHz 3.3 DFN-8 Small Flag Order MR25H256MDF Product Inquiry MR25H256MDF Sample Request MR25H256MDF
PERSYST MR25H256MDFR MR25H256 Toggle MRAM Documents MR25H256MDFR NR Serial SPI 256Kb SPI -40 to +125C 40MHz 3.3 DFN-8 Small Flag Order MR25H256MDFR Product Inquiry MR25H256MDFR Sample Request MR25H256MDFR
PERSYST MR25H256ACDF MR25H256 Toggle MRAM Documents MR25H256ACDF MP Serial SPI 256Kb SPI -40 to +85C 40MHz 3.3 DFN-8 Small Flag Order MR25H256ACDF Product Inquiry MR25H256ACDF Sample Request MR25H256ACDF
PERSYST MR25H256ACDFR MR25H256 Toggle MRAM Documents MR25H256ACDFR MP Serial SPI 256Kb SPI -40 to +85C 40MHz 3.3 DFN-8 Small Flag Order MR25H256ACDFR Product Inquiry MR25H256ACDFR Sample Request MR25H256ACDFR
PERSYST MR25H256AMDF MR25H256 Toggle MRAM Documents MR25H256AMDF MP Serial SPI 256Kb SPI -40 to +125C 40MHz 3.3 DFN-8 Small Flag Order MR25H256AMDF Product Inquiry MR25H256AMDF Sample Request MR25H256AMDF
PERSYST MR25H256AMDFR MR25H256 Toggle MRAM Documents MR25H256AMDFR MP Serial SPI 256Kb SPI -40 to +125C 40MHz 3.3 DFN-8 Small Flag Order MR25H256AMDFR Product Inquiry MR25H256AMDFR Sample Request MR25H256AMDFR
PERSYST MR25H256APDF MR25H256 Toggle MRAM Documents MR25H256APDF MP Serial SPI 256Kb SPI -40 to +85C 40MHz 3.3 DFN-8 Small Flag Order MR25H256APDF Product Inquiry MR25H256APDF Sample Request MR25H256APDF
PERSYST MR25H256APDFR MR25H256 Toggle MRAM Documents MR25H256APDFR MP Serial SPI 256Kb SPI -40 to +85C 40MHz 3.3 DFN-8 Small Flag Order MR25H256APDFR Product Inquiry MR25H256APDFR Sample Request MR25H256APDFR
PERSYST MR25H40VDFR MR25H40 Toggle MRAM Documents MR25H40VDFR MP Serial SPI 4Mb SPI -40 to +105C 40MHz 3.3 DFN-8 Small Flag Order MR25H40VDFR Product Inquiry MR25H40VDFR Sample Request MR25H40VDFR
PERSYST MR25H40MDF MR25H40 Toggle MRAM Documents MR25H40MDF MP Serial SPI 4Mb SPI -40 to +125C 40MHz 3.3 DFN-8 Small Flag Order MR25H40MDF Product Inquiry MR25H40MDF Sample Request MR25H40MDF
PERSYST MR25H40MDFR MR25H40 Toggle MRAM Documents MR25H40MDFR MP Serial SPI 4Mb SPI -40 to +125C 40MHz 3.3 DFN-8 Small Flag Order MR25H40MDFR Product Inquiry MR25H40MDFR Sample Request MR25H40MDFR
PERSYST MR25H40CDC MR25H40 Toggle MRAM Documents MR25H40CDC NR Serial SPI 4Mb SPI -40 to +85C 40MHz 3.3 DFN-8 Order MR25H40CDC Product Inquiry MR25H40CDC Sample Request MR25H40CDC
PERSYST MR25H40CDCR MR25H40 Toggle MRAM Documents MR25H40CDCR NR Serial SPI 4Mb SPI -40 to +85C 40MHz 3.3 DFN-8 Order MR25H40CDCR Product Inquiry MR25H40CDCR Sample Request MR25H40CDCR