N25Q256A13EF840F Datasheet, PDF (2/90 Pages) Micron Technology – Micron Serial NOR Flash Memory

3V, 256Mb: Multiple I/O Serial Flash Memory
Features
Contents
Device Description ........................................................................................................................................... 6
Features ....................................................................................................................................................... 6
3-Byte Address and 4-Byte Address Modes ..................................................................................................... 6
Operating Protocols ...................................................................................................................................... 6
XIP Mode ..................................................................................................................................................... 6
Device Configurability .................................................................................................................................. 7
Signal Assignments ........................................................................................................................................... 8
Signal Descriptions ......................................................................................................................................... 10
Memory Organization .................................................................................................................................... 12
Memory Configuration and Block Diagram .................................................................................................. 12
Memory Map – 256Mb Density ....................................................................................................................... 13
Device Protection ........................................................................................................................................... 14
Serial Peripheral Interface Modes .................................................................................................................... 17
SPI Protocols .................................................................................................................................................. 19
Nonvolatile and Volatile Registers ................................................................................................................... 20
Status Register ............................................................................................................................................ 21
Nonvolatile and Volatile Configuration Registers .......................................................................................... 22
Extended Address Register .......................................................................................................................... 25
Enhanced Volatile Configuration Register .................................................................................................... 26
Flag Status Register ..................................................................................................................................... 26
Command Definitions .................................................................................................................................... 28
READ REGISTER and WRITE REGISTER Operations ........................................................................................ 32
READ STATUS REGISTER or FLAG STATUS REGISTER Command ................................................................ 32
READ NONVOLATILE CONFIGURATION REGISTER Command ................................................................... 32
READ VOLATILE or ENHANCED VOLATILE CONFIGURATION REGISTER Command .................................. 33
READ EXTENDED ADDRESS REGISTER Command ..................................................................................... 33
WRITE STATUS REGISTER Command ......................................................................................................... 33
WRITE NONVOLATILE CONFIGURATION REGISTER Command ................................................................. 34
WRITE VOLATILE or ENHANCED VOLATILE CONFIGURATION REGISTER Command ................................. 34
WRITE EXTENDED ADDRESS REGISTER Command ................................................................................... 35
READ LOCK REGISTER Command .............................................................................................................. 35
WRITE LOCK REGISTER Command ............................................................................................................ 36
CLEAR FLAG STATUS REGISTER Command ................................................................................................ 37
READ IDENTIFICATION Operations ............................................................................................................... 38
READ ID and MULTIPLE I/O READ ID Commands ...................................................................................... 38
READ SERIAL FLASH DISCOVERY PARAMETER Command ......................................................................... 39
READ MEMORY Operations ............................................................................................................................ 43
3-Byte Address ........................................................................................................................................... 43
4-Byte Address ........................................................................................................................................... 45
READ MEMORY Operations Timing – Single Transfer Rate ........................................................................... 46
READ MEMORY Operations Timing – Double Transfer Rate ......................................................................... 49
PROGRAM Operations .................................................................................................................................... 52
WRITE Operations .......................................................................................................................................... 57
WRITE ENABLE Command ......................................................................................................................... 57
WRITE DISABLE Command ........................................................................................................................ 57
ERASE Operations .......................................................................................................................................... 59
SUBSECTOR ERASE Command ................................................................................................................... 59
SECTOR ERASE Command ......................................................................................................................... 59
BULK ERASE Command ............................................................................................................................. 60
PROGRAM/ERASE SUSPEND Command ..................................................................................................... 61
PDF: 09005aef84566603
n25q_256mb_65nm.pdf - Rev. O 12/12 EN
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