onsemi LE25U40 Serial Flash Memory

onsemi LE25U40 4Mb Serial Flash Memory is an SPI bus device with a 512K x 8-bit configuration. It offers a high-performance Dual output and Dual I/O function while using a single 2.5V power supply. The LE25U40 also has a small sector erase capability, making it ideal for storing parameters or data that have fewer rewrite cycles. This device is housed in an 8-pin ultra-miniature package and is suited for applications such as portable devices.

Features

  • Read/write operations enabled by single 2.5V power supply
  • 40MHz operating frequency
  • High data transfer rate
  • Fast erase and programming time
    • 40ms (typ) to 150ms (max) sector erase time
    • 250ms (typ) to 2.0s (max) chip erase time
    • 4.0ms/256 bytes (typ) to 5.0ms/256 bytes (max) Page program time
  • -40 to +85°C operating temperature range
  • 20-year data retention period
  • Serial interface
    • SPI mode 0, mode 3 supported
    • Dual Output, Dual I/O supported
  • Sector size
    • 4K bytes/small sector
    • 64K bytes/sector
  • Block protect function
  • Status functions
    • Ready/busy information
    • Protect information

Applications

  • Portable information devices
  • Smartphones
  • Personal media players
  • Wearables
Published: 2016-09-13 | Updated: 2022-03-11