Tutorial: W25X40CLSN / W25X20CLSN

Stores data or a program for an electronic system.

W25X40CLSN / W25X20CLSN

Tutorial / documentation

Memory

Quick documentation & first test preparation

  1. Identify component W25X40CLSN 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.

W25X40CLSN

4Mbit / 512KiB Serial Flash memory, Standard/Dual I/O SPI, 2.3-3.6V, SOIC-8 (150 mil)

  • 4Mbit / 512KiB Serial Flash memory, Standard/Dual I/O SPI, 2.3-3.6V, SOIC-8 (150 mil)
  • 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

W25X20CLSN

2Mbit / 256KiB Serial Flash memory, Standard/Dual I/O SPI, 2.3-3.6V, SOIC-8

  • 2Mbit / 256KiB Serial Flash memory, Standard/Dual I/O SPI, 2.3-3.6V, SOIC-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.