Part AT25FS040
Description High Speed Small Sectored SPI Flash Memory
Manufacturer Atmel
Size 462.43 KB
Atmel
AT25FS040

Overview

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.

  • 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 3.6V) Hardware and Software Write Protection - Device protection with Write Protect (WP) Pin - Write Enable and Write Disable Instructions - Software Write Protection: Upper 1/64, 1/32, 1/16, 1/8, 1/4, 1/2 or Entire Array Flexible Op Codes for Maximum Compatibility Self-timed Program Cycle - 30 µs/Byte Typical Single Cycle Reprogramming (Erase and Program) for Status Register High Reliability - Endurance: 10,000 Write Cycles Typical 8-lead JEDEC 150mil SOIC and 8-lead Ultra Thin Small Array Package (SAP) * * *
  • High Speed Small Sectored SPI Flash Memory