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 mercial applications where low-power and low-voltage operation are essential. The AT25FS040 is available in a space-saving 8-lead JEDEC SOIC and 8-lead Ultra Thin SAP packages.
AT25FS040 Key Features
- Serial Peripheral Interface (SPI) patible
- 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 Lo
- 2.7V (VCC = 2.7V to 3.6V) Hardware and Software Write Protection