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
CCMTD-1725822587-8430 Micron Technology, Inc. reserves the right to change products or specifications without notice.
1
m25p40.pdf - Rev. H 05/18 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
Important Notes and Warnings ......................................................................................................................... 6
Functional Description ..................................................................................................................................... 7
Signal Descriptions ........................................................................................................................................... 9
SPI Modes ...................................................................................................................................................... 10
Operating Features ......................................................................................................................................... 12
Page Programming ..................................................................................................................................... 12
Sector Erase, Bulk Erase .............................................................................................................................. 12
Polling during a Write, Program, or Erase Cycle ............................................................................................ 12
Active Power, Standby Power, and Deep Power-Down .................................................................................. 12
Status Register ............................................................................................................................................ 13
Data Protection by Protocol ........................................................................................................................ 13
Software Data Protection ............................................................................................................................ 13
Hardware Data Protection .......................................................................................................................... 13
Hold Condition .......................................................................................................................................... 15
Configuration and Memory Map ..................................................................................................................... 17
Memory Configuration and Block Diagram .................................................................................................. 17
Memory Map 4Mb Density ........................................................................................................................... 18
Command Set Overview ................................................................................................................................. 19
WRITE ENABLE .............................................................................................................................................. 21
WRITE DISABLE ............................................................................................................................................. 22
READ IDENTIFICATION ................................................................................................................................. 23
READ STATUS REGISTER ................................................................................................................................ 25
WIP Bit ...................................................................................................................................................... 27
WEL Bit ...................................................................................................................................................... 27
Block Protect Bits ....................................................................................................................................... 27
SRWD Bit ................................................................................................................................................... 27
WRITE STATUS REGISTER .............................................................................................................................. 28
READ DATA BYTES ......................................................................................................................................... 30
READ DATA BYTES at HIGHER SPEED ............................................................................................................ 31
PAGE PROGRAM ............................................................................................................................................ 32
SECTOR ERASE .............................................................................................................................................. 33
BULK ERASE .................................................................................................................................................. 34
DEEP POWER-DOWN ..................................................................................................................................... 35
RELEASE from DEEP POWER-DOWN .............................................................................................................. 36
READ ELECTRONIC SIGNATURE .................................................................................................................... 37
Power-Up/Down and Supply Line Decoupling ................................................................................................. 38
Power-Up Timing and Write Inhibit Voltage Specifications ............................................................................... 40
Maximum Ratings and Operating Conditions .................................................................................................. 41
Electrical Characteristics ................................................................................................................................ 42
AC Characteristics .......................................................................................................................................... 44
Package Information ...................................................................................................................................... 52
Device Ordering Information .......................................................................................................................... 58
Standard Parts ............................................................................................................................................ 58
Automotive Parts ........................................................................................................................................ 59
Revision History ............................................................................................................................................. 60
Rev. H 05/18 ............................................................................................................................................. 60
Rev. G 05/13 ............................................................................................................................................. 60
Rev. F 01/13 ............................................................................................................................................. 60
Rev. E 08/12 ............................................................................................................................................. 60
Rev. D 04/12 ............................................................................................................................................. 60
CCMTD-1725822587-8430 Micron Technology, Inc. reserves the right to change products or specifications without notice.
2
m25p40.pdf - Rev. H 05/18 EN 2011 Micron Technology, Inc. All rights reserved.