Everspin EM256LXQ MRAM
256 Mb STT-MRAM with xSPI Quad for data that must survive loss of power.
Family specifications
EM256LXQ ordering options
- Density / capacity
- 256 Mb
- Interface / type
- xSPI Quad
- I/O width
- 4-bit
- Supply voltage
- 1.8 V
- Package
- BGA-24
- Operating temperature
- 0 to +70 °C, -40 to +105 °C, -40 to +125 °C, -40 to +85 °C
- Clock frequency
- 133 MHz
Options vary by complete part number. Match the selected device to the controller, board layout and operating conditions.
Available EM256LXQ part numbers.
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| EM256LXQAB313CS2REverspin EM256LXQ256 Mb STT-MRAM with xSPI Quad, 4-bit I/O, BGA-24 package, and 0 to +70 °C operation. | 256 Mb | xSPI Quad | 1.8 V | BGA-24 | 0 to 70 °C | 133 MHz | 10 years minimum across rated temperature range | 4-bit | Mass production (MP) | STT-MRAM | 1 × 10¹⁴ cycles per 32-byte unit | EM256LXQ |
| EM256LXQAB313CS2TEverspin EM256LXQ256 Mb STT-MRAM with xSPI Quad, 4-bit I/O, BGA-24 package, and 0 to +70 °C operation. | 256 Mb | xSPI Quad | 1.8 V | BGA-24 | 0 to 70 °C | 133 MHz | 10 years minimum across rated temperature range | 4-bit | Mass production (MP) | STT-MRAM | 1 × 10¹⁴ cycles per 32-byte unit | EM256LXQ |
| EM256LXQAB313ES2REverspin EM256LXQ256 Mb STT-MRAM with xSPI Quad, 4-bit I/O, BGA-24 package, and -40 to +105 °C operation. | 256 Mb | xSPI Quad | 1.8 V | BGA-24 | −40 to 105 °C | 133 MHz | 10 years minimum across rated temperature range | 4-bit | Mass production (MP) | STT-MRAM | 1 × 10¹⁴ cycles per 32-byte unit | EM256LXQ |
| EM256LXQAB313ES2TEverspin EM256LXQ256 Mb STT-MRAM with xSPI Quad, 4-bit I/O, BGA-24 package, and -40 to +105 °C operation. | 256 Mb | xSPI Quad | 1.8 V | BGA-24 | −40 to 105 °C | 133 MHz | 10 years minimum across rated temperature range | 4-bit | Mass production (MP) | STT-MRAM | 1 × 10¹⁴ cycles per 32-byte unit | EM256LXQ |
| EM256LXQAB313HS2REverspin EM256LXQ256 Mb STT-MRAM with xSPI Quad, 4-bit I/O, BGA-24 package, and -40 to +125 °C operation. | 256 Mb | xSPI Quad | 1.8 V | BGA-24 | −40 to 125 °C | 133 MHz | 10 years minimum across rated temperature range | 4-bit | Mass production (MP) | STT-MRAM | 1 × 10¹⁴ cycles per 32-byte unit | EM256LXQ |
| EM256LXQAB313HS2TEverspin EM256LXQ256 Mb STT-MRAM with xSPI Quad, 4-bit I/O, BGA-24 package, and -40 to +125 °C operation. | 256 Mb | xSPI Quad | 1.8 V | BGA-24 | −40 to 125 °C | 133 MHz | 10 years minimum across rated temperature range | 4-bit | Mass production (MP) | STT-MRAM | 1 × 10¹⁴ cycles per 32-byte unit | EM256LXQ |
| EM256LXQAB313IS2REverspin EM256LXQ256 Mb STT-MRAM with xSPI Quad, 4-bit I/O, BGA-24 package, and -40 to +85 °C operation. | 256 Mb | xSPI Quad | 1.8 V | BGA-24 | −40 to 85 °C | 133 MHz | 10 years minimum across rated temperature range | 4-bit | Mass production (MP) | STT-MRAM | 1 × 10¹⁴ cycles per 32-byte unit | EM256LXQ |
| EM256LXQAB313IS2TEverspin EM256LXQ256 Mb STT-MRAM with xSPI Quad, 4-bit I/O, BGA-24 package, and -40 to +85 °C operation. | 256 Mb | xSPI Quad | 1.8 V | BGA-24 | −40 to 85 °C | 133 MHz | 10 years minimum across rated temperature range | 4-bit | Mass production (MP) | STT-MRAM | 1 × 10¹⁴ cycles per 32-byte unit | EM256LXQ |
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Density
Interface
Supply voltage
Package
Operating temperature
Design considerations
Quad xSPI devices support clocks up to 133 MHz. Low-power SC variants use up to 108 MHz in STR and 54 MHz in DTR, with a different write-endurance rating. Select the exact temperature grade and package before comparing performance.
For standard xSPI versions, the write-endurance limit is 10¹⁴ cycles per aligned 32-byte unit. Low-power SC versions use 4 × 10¹² cycles. Retention is specified at a minimum of 10 years across the rated temperature range; check the exact version against the workload.