Tutorial: MR20H40 / MR25H40

Stores data or a program for an electronic system.

MR20H40 / MR25H40

Tutorial / documentation

Memory

Quick documentation & first test preparation

  1. Identify component MR20H40 and its package.
  2. Identify the bus, data organisation and logic voltage.
  3. Check read/write commands and selection pins.
  4. Consult the application circuit in the linked documentation before testing.

MR20H40

4Mb MRAM memory with SPI interface, DFN-8

  • 4Mb MRAM memory with SPI interface, DFN-8
  • Identify the bus, data organisation and logic voltage.
  • Check read/write commands and selection pins.
  • The manufacturer’s pinout and absolute limits take precedence over this page.
Technical documentation

MR25H40

4Mb MRAM memory with SPI interface, DFN-8

  • 4Mb MRAM memory with SPI interface, DFN-8
  • Identify the bus, data organisation and logic voltage.
  • Check read/write commands and selection pins.
  • The manufacturer’s pinout and absolute limits take precedence over this page.
Technical documentation

Inputs and outputs must match the function described in the selected reference’s documentation.