High Speed Small Sectored SPI Flash Memory 4M 524,288 x 8
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. The AT25FS040 is available in a space-saving 8-lead JEDEC SOIC and 8-lead Ultra Thin SAP packages.
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 3.6V
• 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
• Die Sales: Waffer Form, Tape and Reel, and Bumped Wafers