AT25SF321B datasheet(2/61 Pages) DIALOG

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DS-AT25SF321B–179E–06-2020

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)

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