AT25DQ321

AT25DQ321 32-Mbit, 2.7V Minimum SPI Serial Flash Memory with Dual-I/O and Quad-I/O Support DATASHEET Features  Single 2.7V - 3.6V supply  Serial Peripheral Interface (SPI) compatible     (Not Recommended for New Designs) 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 (tV) 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 ...