Description
●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-volt age operation are essential. The AT25F512/1024 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)
●• 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 Typical)
●• Single Cycle Reprogramming (Erase and Program) for Status Register
●• High Reliability
●– Endurance: 10,000 Write Cycles Typical
●• Lead-free Devices Available
●• 8-lead JEDEC SOIC and 8-lead SAP Packages
