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AT25DF321A Datasheet, PDF (1/53 Pages) ATMEL Corporation – 32-Megabit 2.7-volt Minimum SPI Serial Flash Memory
Features
• Single 2.7V - 3.6V Supply
• Serial Peripheral Interface (SPI) Compatible
– Supports SPI Modes 0 and 3
– Supports RapidS Operation
– Supports Dual-Input Program and Dual-Output Read
• Very High Operating Frequencies
– 100MHz for RapidS
– 85MHz for SPI
– Clock-to-Output (tV) of 5ns 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
– 64 Sectors of 64-Kbytes Each
• Hardware Controlled Locking of Protected Sectors via WP Pin
• Sector Lockdown
– Make Any Combination of 64-Kbyte Sectors Permanently Read-Only
• 128-Byte Programmable OTP Security Register
• Flexible Programming
– Byte/Page Program (1- to 256-Bytes)
• Fast Program and Erase Times
– 1.0ms Typical Page Program (256-Bytes) Time
– 50ms Typical 4-Kbyte Block Erase Time
– 250ms Typical 32-Kbyte Block Erase Time
– 400ms Typical 64-Kbyte Block Erase Time
• Program and Erase Suspend/Resume
• Automatic Checking and Reporting of Erase/Program Failures
• Software Controlled Reset
• JEDEC Standard Manufacturer and Device ID Read Methodology
• Low Power Dissipation
– 12mA Active Read Current (Typical at 20MHz)
– 5µA 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 (208-mil wide)
– 8-pad Ultra Thin DFN (5 x 6 x 0.6mm)
– 9-ball UBGA (6 x 6 x 0.6 mm body - 1 mm pitch)
32-Mbit
2.7V Minimum
Serial Peripheral
Interface Serial
Flash Memory
AT25DF321A
3686F–DFLASH–1/2014