M25P20 Serial Flash Embedded Memory
Features
Micron M25P20 2Mb 3V Serial Flash
Embedded Memory
Electronic signature
Features
JEDEC standard 2-byte signature (2012h)
SPI bus compatible serial interface
Unique ID code (UID) and 16 bytes read-only,
2Mb Flash memory
available upon customer request
75 MHz clock frequency (maximum)
READ ELECTRONIC SIGNATURE command, one-
2.3V to 3.6V single supply voltage
byte signature (11h), for backward compability
Page program (up to 256 bytes) in 0.8ms (TYP)
More than 20 years data retention
Erase capability
Automotive grade parts available
Sector erase: 512Kb in 0.6s (TYP)
Packages (RoHS compliant)
Bulk erase: 3s (TYP)
SO8N (MN) 150 mils
Hardware write protection: protected area size de-
V-PDFN8 (MP) MLP8 6mm x 5mm
fined by non-volatile bits BP0 and BP1
Deep power down: 1A (TYP)
09005aef8456656e Micron Technology, Inc. reserves the right to change products or specifications without notice.
1
m25p20.pdf - Rev. C 06/18 EN 2012 Micron Technology, Inc. All rights reserved.
Products and specifications discussed herein are subject to change by Micron without notice.M25P20 Serial Flash Embedded Memory
Features
Contents
Important Notes and Warnings ......................................................................................................................... 5
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 .......................................................................................................................................... 12
Configuration and Memory Map ..................................................................................................................... 14
Memory Configuration and Block Diagram .................................................................................................. 14
Memory Map 2Mb 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
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
Power-Up/Down and Supply Line Decoupling ................................................................................................. 32
Power-Up Timing and Write Inhibit Voltage Threshold Specifications ............................................................... 34
Maximum Ratings and Operating Conditions .................................................................................................. 35
Electrical Characteristics ................................................................................................................................ 36
AC Characteristics .......................................................................................................................................... 38
Package Information ...................................................................................................................................... 42
Device Ordering Information .......................................................................................................................... 44
Standard Parts ............................................................................................................................................ 44
Automotive Parts ........................................................................................................................................ 45
Revision History ............................................................................................................................................. 46
Rev. C 06/18 ............................................................................................................................................. 46
Rev. B 10/13 ............................................................................................................................................. 46
Rev. A 02/13 ............................................................................................................................................. 46
09005aef8456656e Micron Technology, Inc. reserves the right to change products or specifications without notice.
2
m25p20.pdf - Rev. C 06/18 EN 2012 Micron Technology, Inc. All rights reserved.