AT25DF321A
Overview
The AT25DF321A 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 shadowed from Flash memory into embedded or external R.
- 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 - 100 MHz for RapidS - 85 MHz for SPI - Clock-to-Output (tV) of 5 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 - 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 - 1.0 ms Typical Page Program (256 Bytes) Time - 50 ms Typical 4-Kbyte Block Erase Time - 250 ms Typical 32-Kbyte Block Erase Time - 400 ms 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 - 5 mA Active Read Current (Typical at 20 MHz) - 5 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 (208-mil wide) - 8-pad Ultra Thin DFN (5 x 6 x 0.6 mm) * * * * * * *
- 32-Megabit 2.7-volt Minimum SPI Serial Flash Memory AT25DF321A Preliminary * * * * * * * *
