128Mb, Multiple I/O Serial Flash Memory Features Micron Serial NOR Flash Memory 1.8V, Multiple I/O, 4KB Sector Erase N25Q128A Write protection Features Software write protection applicable to every SPI-compatible serial bus interface 64KB sector via volatile lock bit 108 MHz (MAX) clock frequency Hardware write protection: protected area size 1.72.0V single supply voltage defined by five nonvolatile bits (BP0, BP1, BP2, Dual/quad I/O instruction provides increased BP3, and TB) throughput up to 432 MHz Additional smart protections, available upon re- Supported protocols quest Extended SPI, dual I/O, and quad I/O Electronic signature Execute-in-place (XIP) mode for all three protocols JEDEC-standard 2-byte signature (BB18h) Configurable via volatile or nonvolatile registers Unique ID code (UID): 17 read-only bytes, in- Enables memory to work in XIP mode directly af- cluding: ter power-on Two additional extended device ID (EDID) PROGRAM/ERASE SUSPEND operations bytes to identify device factory options Continuous read of entire memory via a single com- Customized factory data (14 bytes) mand Minimum 100,000 ERASE cycles per sector Fast read More than 20 years data retention Quad or dual output fast read Packages JEDEC standard, all RoHS compliant Quad or dual I/O fast read F7 = V-PDFN-8 6mm x 5mm Sawn (MLP8 6mm x Flexible to fit application 5mm) Configurable number of dummy cycles F8 = V-PDFN-8 8mm x 6mm (MLP8 8mm x 6mm) Output buffer configurable 12 = T-PBGA-24b05 6mm x 8mm Software reset SF = SOP2-16 300 mils body width (SO16W) 64-byte, user-lockable, one-time programmable SE = SOP2-8 208 mils body width (SO8W) (OTP) dedicated area Erase capability Subsector erase 4KB uniform granularity blocks Sector erase 64KB uniform granularity blocks Full-chip erase PDF: 09005aef845665f6 Micron Technology, Inc. reserves the right to change products or specifications without notice. 1 n25q 128mb 1 8v 65nm.pdf - Rev. Q 11/14 EN 2012 Micron Technology, Inc. All rights reserved. Products and specifications discussed herein are subject to change by Micron without notice.128Mb, Multiple I/O Serial Flash Memory Features Contents Device Description ........................................................................................................................................... 6 Features ....................................................................................................................................................... 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 128Mb 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 Enhanced Volatile Configuration Register .................................................................................................... 25 Flag Status Register ..................................................................................................................................... 26 Command Definitions .................................................................................................................................... 28 READ REGISTER and WRITE REGISTER Operations ........................................................................................ 30 READ STATUS REGISTER or FLAG STATUS REGISTER Command ................................................................ 30 READ NONVOLATILE CONFIGURATION REGISTER Command ................................................................... 30 READ VOLATILE or ENHANCED VOLATILE CONFIGURATION REGISTER Command .................................. 31 WRITE STATUS REGISTER Command ......................................................................................................... 31 WRITE NONVOLATILE CONFIGURATION REGISTER Command ................................................................. 32 WRITE VOLATILE or ENHANCED VOLATILE CONFIGURATION REGISTER Command ................................. 32 READ LOCK REGISTER Command .............................................................................................................. 33 WRITE LOCK REGISTER Command ............................................................................................................ 34 CLEAR FLAG STATUS REGISTER Command ................................................................................................ 35 READ IDENTIFICATION Operations ............................................................................................................... 36 READ ID and MULTIPLE I/O READ ID Commands ...................................................................................... 36 READ SERIAL FLASH DISCOVERY PARAMETER Command ......................................................................... 37 READ MEMORY Operations ............................................................................................................................ 40 PROGRAM Operations .................................................................................................................................... 44 WRITE Operations .......................................................................................................................................... 49 WRITE ENABLE Command ......................................................................................................................... 49 WRITE DISABLE Command ........................................................................................................................ 49 ERASE Operations .......................................................................................................................................... 51 SUBSECTOR ERASE Command ................................................................................................................... 51 SECTOR ERASE Command ......................................................................................................................... 51 BULK ERASE Command ............................................................................................................................. 52 PROGRAM/ERASE SUSPEND Command ..................................................................................................... 53 PROGRAM/ERASE RESUME Command ...................................................................................................... 55 RESET Operations .......................................................................................................................................... 56 RESET ENABLE and RESET MEMORY Command ........................................................................................ 56 RESET Conditions ...................................................................................................................................... 56 ONE TIME PROGRAMMABLE Operations ....................................................................................................... 57 READ OTP ARRAY Command ...................................................................................................................... 57 PROGRAM OTP ARRAY Command .............................................................................................................. 57 XIP Mode ....................................................................................................................................................... 60 PDF: 09005aef845665f6 Micron Technology, Inc. reserves the right to change products or specifications without notice. 2 n25q 128mb 1 8v 65nm.pdf - Rev. Q 11/14 EN 2012 Micron Technology, Inc. All rights reserved.