Datasheet4U Logo Datasheet4U.com

AT25FS040 - High Speed Small Sectored SPI Flash Memory

General Description

The AT25FS040 provides 4,194,304 bits of serial reprogrammable Flash memory organized as 524,288 words of 8 bits each.

The device is optimized for use in many industrial and commercial applications where low-power and low-voltage operation are essential.

Key Features

  • Serial Peripheral Interface (SPI) Compatible.
  • Supports SPI Modes 0 (0,0) and 3 (1,1).
  • Datasheet describes Mode 0 Operation.
  • 50 MHz Clock Rate.
  • Byte Mode and Page Mode Program (1 to 256 Bytes) Operations.
  • Sector/Block/Page Architecture.
  • Sixteen 256 byte Pages per Sector.
  • Sixteen 4 Kbyte Sectors per Block.
  • Eight uniform 64 Kbyte Blocks Self-timed Sector, Block and Chip Erase Product Identification Mode with JEDEC St.

📥 Download Datasheet

Full PDF Text Transcription (Reference)

The following content is an automatically extracted verbatim text from the original manufacturer datasheet and is provided for reference purposes only.

View original datasheet text
Features • Serial Peripheral Interface (SPI) Compatible • Supports SPI Modes 0 (0,0) and 3 (1,1) – Datasheet describes Mode 0 Operation • 50 MHz Clock Rate • Byte Mode and Page Mode Program (1 to 256 Bytes) Operations • Sector/Block/Page Architecture – Sixteen 256 byte Pages per Sector – Sixteen 4 Kbyte Sectors per Block – Eight uniform 64 Kbyte Blocks Self-timed Sector, Block and Chip Erase Product Identification Mode with JEDEC Standard Low-voltage Operation – 2.7V (VCC = 2.7V to 3.