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MFG:ATMEL D/C:04+
Part Number: AT25F512A
MFG: ATMEL
D/C: 04+
Description: The AT25F512A provides 524,288 bits of serial reprogrammable Flash memory organized as 65,536 words of...
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AT25F512A
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DataSheet
General Description
AT25F512A General 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. The AT25F512A is enabled through the Chip Select pin (CS) and accessed via a three-wire interface consisting of Serial Data Input (SI), Serial Data Output (SO), and Serial Clock (SCK). All write cycles are completely self-timed.
Block write protection for the entire memory array is enabled by programming the status register. Separate write enable and write disable instructions are provided for additional data protection. Hardware data protection is provided via the Write Protect (WP) pin to protect against inadvertent write attempts to the status register. The HOLD pin may be used to suspend any serial communication without resetting the serial sequence.
AT25F512A Maximum Ratings
Operating Temperature...........................−40°C to +85°C
Storage Temperature ...........................−65°C to +150°C
Voltage on Any Pin
with Respect to Ground............................... −1.0V to +5.0V
Maximum Operating Voltage ....................................... 4.2V
DC Output Current................................................... 5.0 mA
Storage Temperature ...........................−65°C to +150°C
Voltage on Any Pin
with Respect to Ground............................... −1.0V to +5.0V
Maximum Operating Voltage ....................................... 4.2V
DC Output Current................................................... 5.0 mA
AT25F512A 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
• 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
AT25F512A Connection Diagram
AT25F512A
PDF/DataSheet Download
- Datasheet: AT25F512A
- File Size: 798720 KB
- Manufacturer: ATMEL
- Click here to Download
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