Everspin Technologies EMxxLX MRAM Memory Devices

Everspin EMxxLX MRAM Memory Devices are Expanded Serial Peripheral Interface (xSPI) based on a unique industrial STT MRAM technology. These memory devices are high-performance, multiple I/O, and SPI-compatible Magnetoresistive Random Access memory (MRAM) devices. The EMxxLX memory devices feature a high-speed, low pin count SPI-compatible bus interface with a clock frequency of up to 200MHz. These memory devices also feature a 1.65V to 2V voltage range, a dedicated 256-byte OTP area outside main memory, 3-byte and 4-byte address modes, and low power modes. Typical applications include industrial automation, datacenter, engineering emulation, automotive and transportation, and gaming.

Features

Expanded SPIbus interface supporting:
- Octal, Quad, Dual, and single SPI protocol
Up to 200MHz Single- and Double Transfer Rate (STR/DTR) for Octal SPI
Up to 133MHz, SPI, DSPI, and QSPI
Data endurance:
- Unlimited read, write and erase operations for the supported life of the product
Data retention:
- 10 Years minimum across temperature
JEDEC compliant:
- JESD251 and JESD251-1
Byte-level writes and reads with no erase required as persistent memory
Data integrity:
- No external ECC required
Low power modes:
- <350μA (64Mb) standby
- Deep power down ∼50μA w/ exit time <100μs
SPI compatibility:
- NVSRAM, FRAM, NOR, and toggle MRAM
SPI, xSPI commands for program/erase emulated NOR compatible Execute-in-place (XIP)
Volatile and nonvolatile configuration settings:
- Nonvolatile settings are not reflow protected
Dedicated 256-byte OTP area outside main memory:
- Readable and user-lockable
- Permanent lock with WRITE OTP command
- Not reflow protected
Erase capability:
- Chip/bulk erase and sector erase
- Subsector erase 4KB, 32KB granularity

Security and writing protection:
- 16 configurable hardware write-protected regions plus top/bottom select
- Program/erase protection during power-up
- CRC command to detect accidental changes to user data
Voltage:
- 1.65V to 2V (1.8V) range
Density:
- 8Mb, 16Mb, 32Mb, and 64Mb
- 400MBps sustained throughput with OSPI at 200MHz, DTR, for reads and writes
Boot mode configurations:
- Boot in x1, x2, x4, and x8
Software reset and hardware reset pins available
3-byte and 4-byte address modes
Sequential (burst) reads and writes
Electronic signature:
- JEDEC-standard 3-byte signature
JEDEC standard, RoHS compliant packages:
- 24-ball BGA, 6mm x 8mm (5 x 5 array)
- 8-pin DFN, 6mm x 8mm
Operating temperature range:
- Commercial:
  - From 0°C to 70°C
- Industrial:
  - From -40°C to 85°C

Applications

Industrial automation
Data center
Engineering emulation

Automotive and transportation
Gaming

Everspin Technologies EMxxLX MRAM Memory Devices

Features

Applications

Block Diagram

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