
Atmel Corporation
Description
The AT25F512A provides 524,288 bits of serial reprogrammable Flash memory organized as 65,536 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 AT25F512A is available in a space-saving 8-lead JEDEC SOIC and 8-lead SAP packages.
FEATUREs
• Serial Peripheral Interface (SPI) Compatible
• Supports SPI Modes 0 (0,0) and 3 (1,1)
– Datasheet Describes 0 Operation
• 33 MHz Clock Rate
• Byte Mode and 128-byte Page Mode for Program Operations
• Sector Architecture:
– Two Sectors with 32K Bytes Each
– 256 Pages per Sector
• Product Identification Mode
• Low-voltage Operation
– 2.7 (VCC= 2.7 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 (75 µs/byte typical)
• Self-timed Sector Erase Cycle (1 second/sector typical)
• Single Cycle Reprogramming (Erase and Program) for Status Register
• High Reliability
– Endurance: 10,000 Write Cycles Typical
– Data Retention: 20 Years
• 8-lead JEDEC SOIC and 8-lead SAP Packages