AT25F1024 - ATMEL Corporation

AT25F1024 SPI Serial Memory

The AT25F512/1024 provides 524,288/1,048,576 bits of serial reprogrammable Flash memory organized as 65,536/131,072 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 AT25F512/1024 is available in a space-saving 8-lead JEDEC SOIC and 8-lead SAP pac.

Features

• Serial Peripheral Interface (SPI) Compatible
• Supports SPI Modes 0 (0,0) and 3 (1,1)
• 20 MHz Clock Rate
• Byte Mode and 256-byte Page Mode for Program Operations
• Sector Architecture:
  – Two Sectors with 32K Bytes Each (512K)
  – Four Sectors with 32K Bytes Each (1M)
  – 128 Pages per Sector
• Product Identification Mode
• Low-voltage Operation
  – 2.7 (VCC = 2.7V to 3.6V)
• Sector Write Protection
• Write Protect (WP) Pin and Write Disable Instructions for both Hardware and Software Data Protection
• Self-timed Program Cycle (60 µs/Byte Typical)
• Self-timed Sector Erase Cycle (1 second/Sector .