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AT25DF021 数据表(PDF) 1 Page - ATMEL Corporation |
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AT25DF021 数据表(HTML) 1 Page - ATMEL Corporation |
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1 / 41 page  Features • Single 2.3V - 3.6V or 2.7V - 3.6V Supply • Serial Peripheral Interface (SPI) Compatible – Supports SPI Modes 0 and 3 • 66 MHz Maximum Operating Frequency – Clock-to-Output (tV) of 6 ns Maximum • Flexible, Optimized Erase Architecture for Code + Data Storage Applications – Uniform 4-Kbyte Block Erase – Uniform 32-Kbyte Block Erase – Uniform 64-Kbyte Block Erase – Full Chip Erase • Individual Sector Protection with Global Protect/Unprotect Feature – Four Sectors of 64 Kbytes Each • Hardware Controlled Locking of Protected Sectors via WP Pin • 128-Byte Programmable OTP Security Register • Flexible Programming – Byte/Page Program (1 to 256 Bytes) • Fast Program and Erase Times – 1.0 ms Typical Page Program (256 Bytes) Time – 50 ms Typical 4-Kbyte Block Erase Time – 250 ms Typical 32-Kbyte Block Erase Time – 450 ms Typical 64-Kbyte Block Erase Time • Automatic Checking and Reporting of Erase/Program Failures • JEDEC Standard Manufacturer and Device ID Read Methodology • Low Power Dissipation – 7 mA Active Read Current (Typical at 20 MHz) – 15 µA Deep Power-Down Current (Typical) • Endurance: 100,000 Program/Erase Cycles • Data Retention: 20 Years • Complies with Full Industrial Temperature Range • Industry Standard Green (Pb/Halide-free/RoHS Compliant) Package Options – 8-lead SOIC (150-mil Wide) – 8-pad Ultra Thin DFN (5 x 6 x 0.6 mm) 1. Description The AT25DF021 is a serial interface Flash memory device designed for use in a wide variety of high-volume consumer based applications in which program code is shad- owed from Flash memory into embedded or external RAM for execution. The flexible erase architecture of the AT25DF021, with its erase granularity as small as 4 Kbytes, makes it ideal for data storage as well, eliminating the need for additional data storage EEPROM devices. 2-Megabit 2.3-volt or 2.7-volt Minimum SPI Serial Flash Memory AT25DF021 3677D–DFLASH–04/09 |
类似零件编号 - AT25DF021 |
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类似说明 - AT25DF021 |
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