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STMicroelectronics Electronic Components Datasheet

M25P64 Datasheet

Serial Flash Memory

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M25P64
64 Mbit, low voltage, Serial Flash memory
with 50 MHz SPI bus interface
Features
64 Mbit of Flash memory
2.7 V to 3.6 V single supply voltage
SPI bus compatible serial interface
50 MHz clock rate (maximum)
VPP = 9 V for Fast Program/Erase mode
(optional)
Page Program (up to 256 Bytes)
– in 1.4 ms (typical)
– in 0.35 ms (typical with VPP = 9 V)
Sector Erase (512 Kbit)
Bulk Erase (64 Mbit)
Electronic Signatures
– JEDEC standard two-Byte signature
(2017h)
– RES instruction, one-Byte, signature (16h),
for backward compatibility
Hardware Write Protection: protected area size
defined by three non-volatile bits (BP0, BP1
and BP2)
More than 100 000 Erase/Program cycles per
sector
More than 20-year data retention
Packages
– ECOPACK® (RoHS compliant)
VDFPN8 (ME)
8 × 6 mm (MLP8)
SO16 (MF)
300 mils width
January 2007
Rev 6
1/49
www.st.com
1


STMicroelectronics Electronic Components Datasheet

M25P64 Datasheet

Serial Flash Memory

No Preview Available !

Contents
Contents
M25P64
1 Description . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 6
2 Signal description . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 9
2.1 Serial Data Output (Q) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 9
2.2 Serial Data Input (D) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 9
2.3 Serial Clock (C) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 9
2.4 Chip Select (S) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 9
2.5 Hold (HOLD) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 9
2.6 Write Protect/Enhanced Program supply voltage (W/VPP) . . . . . . . . . . . . 10
2.7 VCC supply voltage . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 10
2.8 VSS ground . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 10
3 SPI modes . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 11
4 Operating features . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 13
4.1 Page Programming . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 13
4.2 Sector Erase and Bulk Erase . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 13
4.3 Polling during a Write, Program or Erase cycle . . . . . . . . . . . . . . . . . . . . 13
4.4 Fast Program/Erase mode . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 13
4.5 Active Power and Standby Power modes . . . . . . . . . . . . . . . . . . . . . . . . . 14
4.6 Status Register . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 14
4.7 Protection modes . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 15
4.8 Hold Condition . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 16
5 Memory organization . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 17
6 Instructions . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 22
6.1 Write Enable (WREN) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 23
6.2 Write Disable (WRDI) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 24
6.3 Read Identification (RDID) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 25
6.4 Read Status Register (RDSR) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 26
6.4.1 WIP bit . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 26
2/49


Part Number M25P64
Description Serial Flash Memory
Maker ST Microelectronics
Total Page 30 Pages
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