256Mb, 3V Multiple I/O Serial Flash Memory
Features
Contents
Important Notes and Warnings ......................................................................................................................... 8
Device Description ........................................................................................................................................... 9
Device Logic Diagram ................................................................................................................................. 10
Advanced Security Protection ..................................................................................................................... 10
Signal Assignments – Package Code: 12 ........................................................................................................... 11
Signal Assignments – Package Code: 14 ........................................................................................................... 12
Signal Assignments – Package Code: SF ........................................................................................................... 13
Signal Assignments – Package Code: W7, W9 .................................................................................................... 14
Signal Descriptions ......................................................................................................................................... 15
Package Dimensions – Package Code: 12 ......................................................................................................... 17
Package Dimensions – Package Code: 14 ......................................................................................................... 18
Package Dimensions – Package Code: SF ......................................................................................................... 19
Package Dimensions – Package Code: W7 ........................................................................................................ 20
Package Dimensions – Package Code: W9 ........................................................................................................ 21
Memory Map – 256Mb Density ....................................................................................................................... 22
Status Register ................................................................................................................................................ 23
Block Protection Settings ............................................................................................................................ 24
Flag Status Register ......................................................................................................................................... 25
Extended Address Register .............................................................................................................................. 26
Internal Configuration Register ....................................................................................................................... 27
Nonvolatile Configuration Register .................................................................................................................. 28
Volatile Configuration Register ........................................................................................................................ 30
Supported Clock Frequencies ..................................................................................................................... 31
Enhanced Volatile Configuration Register ........................................................................................................ 33
Security Registers ........................................................................................................................................... 34
Sector Protection Security Register .................................................................................................................. 35
Nonvolatile and Volatile Sector Lock Bits Security ............................................................................................ 36
Volatile Lock Bit Security Register .................................................................................................................... 36
Device ID Data ............................................................................................................................................... 37
Serial Flash Discovery Parameter Data ............................................................................................................. 38
Command Definitions .................................................................................................................................... 39
Software RESET Operations ............................................................................................................................ 45
RESET ENABLE and RESET MEMORY Commands ....................................................................................... 45
READ ID Operations ....................................................................................................................................... 46
READ ID and MULTIPLE I/O READ ID Commands ...................................................................................... 46
READ SERIAL FLASH DISCOVERY PARAMETER Operation .............................................................................. 47
READ SERIAL FLASH DISCOVERY PARAMETER Command ......................................................................... 47
READ MEMORY Operations ............................................................................................................................ 48
4-BYTE READ MEMORY Operations ................................................................................................................ 49
READ MEMORY Operations Timings ............................................................................................................... 50
WRITE ENABLE/DISABLE Operations ............................................................................................................. 57
READ REGISTER Operations ........................................................................................................................... 58
WRITE REGISTER Operations ......................................................................................................................... 59
CLEAR FLAG STATUS REGISTER Operation ..................................................................................................... 61
PROGRAM Operations .................................................................................................................................... 62
4-BYTE PROGRAM Operations ........................................................................................................................ 63
PROGRAM Operations Timings ....................................................................................................................... 63
ERASE Operations .......................................................................................................................................... 66
SUSPEND/RESUME Operations ..................................................................................................................... 68
PROGRAM/ERASE SUSPEND Operations .................................................................................................... 68
CCMTD-1725822587-3368
mt25q-qljs-L256-ABA-xxT.pdf - Rev. K 07/18 EN
Micron Technology, Inc. reserves the right to change products or specifications without notice.
© 2014 Micron Technology, Inc. All rights reserved.
3
MICRON [ MICRON TECHNOLOGY ]
