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STMicroelectronics Electronic Components Datasheet

M25P128 Datasheet

128 Mbit (Multilevel) Low Voltage Serial Flash Memory With 50MHz SPI Bus Interface

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M25P128
128 Mbit (Multilevel), Low Voltage, Serial Flash Memory
With 50MHz SPI Bus Interface
PRELIMINARY DATA
Feature summary
128 Mbit of Flash Memory
Page Program (up to 256 Bytes) in 2.5ms
(typical)
Sector Erase (2Mbit)
Bulk Erase (128Mbit)
2.7 to 3.6V Single Supply Voltage
VDFPN8 (ME)
8x6mm (MLP8)
SPI Bus Compatible Serial Interface
50MHz Clock Rate (maximum)
Electronic Signature
– JEDEC Standard Two-Byte Signature
(2018h)
More than 10000 Erase/Program Cycles per
Sector
SO16 (MF)
300 mils width
More than 20-Year Data Retention
www.DataSheet4U.comPackages
– ECOPACK® (RoHS compliant)
January 2006
Rev. 1
This is preliminary information on a new product now in development or undergoing evaluation. Details are subject to
change without notice.
1/41
www.st.com
1
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STMicroelectronics Electronic Components Datasheet

M25P128 Datasheet

128 Mbit (Multilevel) Low Voltage Serial Flash Memory With 50MHz SPI Bus Interface

No Preview Available !

www.DataSheet4U.com
Contents
Contents
M25P128
1 Summary description . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 6
2 Signal description . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 8
2.1 Serial data output (Q) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 8
2.2 Serial data input (D) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 8
2.3 Serial clock (C) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 8
2.4 Chip Select (S) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 8
2.5 Hold (HOLD) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 8
2.6 Write Protect (W) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 8
3 SPI modes . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 9
4 Operating features . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 10
4.1 Page programming . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 10
4.2 Sector Erase and Bulk Erase . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 10
4.3 Polling during a write, program or erase cycle . . . . . . . . . . . . . . . . . . . . . 10
www.DataSheet4U.com4.4 Active power and standby power modes . . . . . . . . . . . . . . . . . . . . . . . . . 10
4.5 Status Register . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 11
4.6 Protection modes . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 11
4.7 Hold condition . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 12
5 Memory Organization . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 13
6 Instructions . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 16
6.1 Write Enable (WREN) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 17
6.2 Write Disable (WRDI) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 17
6.3 Read Identification (RDID) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 18
6.4 Read Status Register (RDSR) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 19
6.4.1 WIP bit . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 19
6.4.2 WEL bit . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 19
6.4.3 BP2, BP1, BP0 bits . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 19
6.4.4 SRWD bit . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 19
6.5 Write Status Register (WRSR) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 21
2/41 Rev. 1
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Part Number M25P128
Description 128 Mbit (Multilevel) Low Voltage Serial Flash Memory With 50MHz SPI Bus Interface
Maker ST Microelectronics
Total Page 30 Pages
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