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.
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AT25F512AN-10SU-2.7 (pdf) |
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• Serial Peripheral Interface SPI Compatible • Supports SPI Modes 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 VCC = 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 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 sta- tus 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. 8-lead SOIC Table Pin Configuration Pin Name Function Chip Select Serial Data Clock Serial Data Input Serial Data Output Ground Power Supply Write Protect HOLD Suspends Serial Input CS 1 SO 2 WP 3 GND 4 8 VCC 7 HOLD 6 SCK 5 SI 8-lead SAP VCC 8 HOLD 7 SCK 6 SI 5 1 CS 2 SO 3 WP 4 GND Bottom View 512Kbit High Speed SPI Serial Flash Memory 512K 65,536 x 8 AT25F512A Preliminary Absolute Maximum Ratings* Operating to +85°C Storage Temperature to +150°C Voltage on Any Pin with Respect to Ground −1.0V to +5.0V Maximum Operating Voltage 4.2V DC Output mA *NOTICE: Ordering Information Ordering Code AT25F512AN-10SU-2.7 AT25F512AY4-10YU-2.7 AT25F512A [Preliminary] Package 8S1 8Y4 Operation Range Lead-free/Halogen-free Industrial −40 to 85°C Package Type 8S1 8-lead, Wide, Plastic Gull Wing Small Outline Package JEDEC SOIC 8Y4 8-lead, mm x mm Body, Dual Footprint, Non-leaded, Small Array Package SAP Options Low-voltage to 3.6V Packaging Information 8S1 SOIC Top View Side View End View COMMON DIMENSIONS Unit of Measure = mm SYMBOL A A1 b C D E1 E L NOTE Note These drawings are for general information only. Refer to JEDEC Drawing MS-012, Variation AA for proper dimensions, tolerances, datums, etc. 1150 E. Cheyenne Mtn. Blvd. R Colorado Springs, CO 80906 TITLE 8S1, 8-lead Wide Body , Plastic Gull Wing Small Outline JEDEC SOIC 10/7/03 16 AT25F512A [Preliminary] 8Y4 SAP AT25F512A [Preliminary] PIN 1 INDEX AREA PIN 1 ID COMMON DIMENSIONS Unit of Measure = mm SYMBOL A A1 D E D1 E1 b e e1 L TYP REF NOTE 1150 E. Cheyenne Mtn. Blvd. R Colorado Springs, CO 80906 8Y4, 8-lead x mm Body SOIC Array Package SAP Y4 5/24/04 Atmel Corporation 2325 Orchard Parkway San Jose, CA 95131, USA Tel 1 408 441-0311 Fax 1 408 487-2600 Regional Headquarters Europe Atmel Sarl Route des Arsenaux 41 Case Postale 80 CH-1705 Fribourg Switzerland Tel 41 26-426-5555 Fax 41 26-426-5500 Asia Room 1219 Chinachem Golden Plaza 77 Mody Road Tsimshatsui East Kowloon Hong Kong Tel 852 2721-9778 Fax 852 2722-1369 Japan 9F, Tonetsu Shinkawa Bldg. 1-24-8 Shinkawa Chuo-ku, Tokyo 104-0033 Japan Tel 81 3-3523-3551 Fax 81 3-3523-7581 Atmel Operations Memory 2325 Orchard Parkway San Jose, CA 95131, USA Tel 1 408 441-0311 Fax 1 408 436-4314 Microcontrollers 2325 Orchard Parkway San Jose, CA 95131, USA Tel 1 408 441-0311 Fax 1 408 436-4314 |
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