Rainbow Electronics AT25DQ321 - Manual

8718D–DFLASH–12/2012
Features
 Single 2.7V - 3.6V supply
 Serial Peripheral Interface (SPI) compatible
 Supports SPI Modes 0 and 3
 Supports RapidS ™ operation
 Supports Dual- and Quad-Input Program
 Supports Dual- and Quad-Output Read
 Very high operating frequencies
 100MHz for RapidS
 85MHz for SPI
 Clock-to-output (t
V
) of 5ns maximum
 Flexible, optimized erase architecture for code + data storage applications
 Uniform 4KB, 32KB, and 64KB Block Erase
 Full Chip Erase
 Individual sector protection with Global Protect/Unprotect feature
 64 sectors of 64KB each
 Hardware controlled locking of protected sectors via WP pin
 Sector Lockdown
 Make any combination of 64KB sectors permanently read-only
 128-byte Programmable OTP Security Register
 Flexible programming
 Byte/Page Program (1 to 256 bytes)
 Fast Program and Erase times
 1.5ms typical Page Program (256 bytes) time
 50ms typical 4KB Block Erase time
 250ms typical 32KB Block Erase time
 400ms typical 64KB 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
 7mA 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)
 16-lead SOIC (300-mil wide)
AT25DQ321
32-Mbit, 2.7V Minimum SPI Serial Flash Memory
with Dual-I/O and Quad-I/O Support
DATASHEET