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