AT25SF321B

PRELIMINARY DATASHEET AT25SF321B 32-Mbit SPI Serial Flash Memory with Dual-I/O and Quad-I/O Support Features  Serial Peripheral Interface (SPI) Compatible - Supports SPI modes 0 and 3 (1,1,1) - Supports dual input and dual output operation (1,1,2) - Supports quad input and quad output operation (1,1,4) - Supports quad I/O operation (1,4,4 and 0,4,4)  108 MHz Maximum Operating Frequency  Single 2.7 V - 3.6 V Single Supply Voltage  Continuous Read modes  Serial Flash Discoverable Parameters (SFDP, JDES216B) support  OTP Memory - Three Protected Programmable Security Register Pages (Page size: 256 bytes) - 64-bit factory programmable UID register  Hardware Write Protection (WP pin)  Software Write protection (Programmable non-volatile control registers)  Program and Erase Suspend and Resume  Byte programming size: up to 256 bytes  Erase Size and Duration - Uniform 4-kbyte Block Erase (50 ms typical) - Uniform 32-kbyte Block Erase (150 ms typical) - Uniform 64-kbyte Block Erase (300 ms typical) - Full Chip Erase (15 seconds typical)  Low Power Dissipation - Standby Current (25 µA maximum) - Deep Power Down Current (5 µA maximum)  Endurance: 100,000 Program and Erase Cycles  Data Retention: 20 Years  Industrial Temperature Range (-40 oC to 85 oC)  Industry Standard Green (Pb/Halide-free/RoHS Compliant) Package Options - 8-lead SOIC (0.150” Narrow and 0.208” Wide) - 8-pad Ultra-Thin DFN (5 x 6 x 0.6 mm) - Die Wafer Form - Other Package Options (contact Adesto) DS-AT...