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AT25DF021

Adesto Technologies
Part Number AT25DF021
Manufacturer Adesto Technologies
Description 2-Megabit 2.3-volt or 2.7-volt Minimum SPI Serial Flash Memory
Published May 26, 2014
Detailed Description Features • Single 2.3V - 3.6V or 2.7V - 3.6V Supply • Serial Peripheral Interface (SPI) Compatible – Supports SPI Modes ...
Datasheet PDF File AT25DF021 PDF File

AT25DF021
AT25DF021

Overview
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) • • • • • 2-Megabit 2.
3-volt or 2.
7-volt Minimum SPI Serial Flash Memory AT25DF021 (Not Recommended for New Designs) • • • • • • • 1.
Description The AT25DF021 is a serial interface Flash memory device designed for use in a wide variety of high-volume consumer based appl ications in which program code is shadowed 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.
3677F–DFLASH–5/2013 http://www.
Datasheet4U.
com The physical sectorin...


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