M25P40 Serial Flash Embedded Memory Features M25P40 3V 4Mb Serial Flash Embedded Memory Electronic signature Features JEDEC-standard 2-byte signature (2013h) SPI bus-compatible serial interface Unique ID code (UID) with 16-byte read-only 4Mb Flash memory space, available upon request 75 MHz clock frequency (maximum) RES command, one-byte signature (12h) for 2.3V to 3.6V single supply voltage backward compatibility Page program (up to 256 bytes) in 0.8ms (TYP) More than 100,000 write cycles per sector Erase capability Automotive-grade parts available Sector erase: 512Kb in 0.6 s (TYP) Packages (RoHS-compliant) Bulk erase: 4Mb in 4.5 s (TYP) SO8N (MN) 150 mils Write protection SO8W (MW) 208 mils Hardware write protection: protected area size VFDFPN8 (MP) MLP8 6mm x 5mm defined by nonvolatile bits BP0, BP1, BP2 UFDFPN8 (MC) MLP8 4mm x 3mm Deep power-down: 1A (TYP) UFDFPN8 (MB) MLP8 2mm x 3mm PDF: 09005aef8456654f Micron Technology, Inc. reserves the right to change products or specifications without notice. 1 m25p40.pdf - Rev. G 05/13 EN 2011 Micron Technology, Inc. All rights reserved. Products and specifications discussed herein are subject to change by Micron without notice.M25P40 Serial Flash Embedded Memory Features Contents Functional Description ..................................................................................................................................... 6 Signal Descriptions ........................................................................................................................................... 8 SPI Modes ........................................................................................................................................................ 9 Operating Features ......................................................................................................................................... 11 Page Programming ..................................................................................................................................... 11 Sector Erase, Bulk Erase .............................................................................................................................. 11 Polling during a Write, Program, or Erase Cycle ............................................................................................ 11 Active Power, Standby Power, and Deep Power-Down .................................................................................. 11 Status Register ............................................................................................................................................ 12 Data Protection by Protocol ........................................................................................................................ 12 Software Data Protection ............................................................................................................................ 12 Hardware Data Protection .......................................................................................................................... 12 Hold Condition .......................................................................................................................................... 13 Configuration and Memory Map ..................................................................................................................... 14 Memory Configuration and Block Diagram .................................................................................................. 14 Memory Map 4Mb Density ........................................................................................................................... 15 Command Set Overview ................................................................................................................................. 16 WRITE ENABLE .............................................................................................................................................. 18 WRITE DISABLE ............................................................................................................................................. 19 READ IDENTIFICATION ................................................................................................................................. 20 READ STATUS REGISTER ................................................................................................................................ 21 WIP Bit ...................................................................................................................................................... 22 WEL Bit ...................................................................................................................................................... 22 Block Protect Bits ....................................................................................................................................... 22 SRWD Bit ................................................................................................................................................... 22 SRWD Bit ................................................................................................................................................... 22 WRITE STATUS REGISTER .............................................................................................................................. 23 READ DATA BYTES ......................................................................................................................................... 25 READ DATA BYTES at HIGHER SPEED ............................................................................................................ 26 PAGE PROGRAM ............................................................................................................................................ 27 SECTOR ERASE .............................................................................................................................................. 28 BULK ERASE .................................................................................................................................................. 29 DEEP POWER-DOWN ..................................................................................................................................... 30 RELEASE from DEEP POWER-DOWN .............................................................................................................. 31 READ ELECTRONIC SIGNATURE .................................................................................................................... 32 Power-Up/Down and Supply Line Decoupling ................................................................................................. 33 Power-Up Timing and Write Inhibit Voltage Specifications ............................................................................... 35 Maximum Ratings and Operating Conditions .................................................................................................. 36 Electrical Characteristics ................................................................................................................................ 37 AC Characteristics .......................................................................................................................................... 39 Package Information ...................................................................................................................................... 47 Device Ordering Information .......................................................................................................................... 52 Standard Parts ............................................................................................................................................ 52 Automotive Parts ........................................................................................................................................ 53 Revision History ............................................................................................................................................. 54 Rev. G 05/13 ............................................................................................................................................. 54 Rev. F 01/13 ............................................................................................................................................. 54 Rev. E 08/12 ............................................................................................................................................. 54 Rev. D 04/12 ............................................................................................................................................. 54 Rev. C 03/12 ............................................................................................................................................. 54 PDF: 09005aef8456654f Micron Technology, Inc. reserves the right to change products or specifications without notice. 2 m25p40.pdf - Rev. G 05/13 EN 2011 Micron Technology, Inc. All rights reserved.