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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