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STMicroelectronics Electronic Components Datasheet

M25PX32 Datasheet

serial Flash memory

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M25PX32
32-Mbit, dual I/O, 4-Kbyte subsector erase,
serial Flash memory with 75 MHz SPI bus interface
Preliminary Data
Features
SPI bus compatible serial interface
75 MHz (maximum) clock frequency
2.7 V to 3.6 V single supply voltage
Dual input/output instructions resulting in an
equivalent clock frequency of 150 MHz:
– Dual Output Fast Read instruction
– Dual Input Fast Program instruction
32 Mbit Flash memory
– Uniform 4-Kbyte subsectors
– Uniform 64-Kbyte sectors
Additional 64-byte user-lockable, one-time
programmable (OTP) area
Erase capability
– Subsector (4-Kbyte) granularity
– Sector (64-Kbyte) granularity
– Bulk Erase (32 Mbit) in 17 s (typical with
VPP = 9 V)
Write protections
– Software write protection applicable to
every 64-Kbyte sector (volatile lock bit)
– Hardware write protection: protected area
size defined by three non-volatile bits (BP0,
BP1 and BP2)
Deep Power-down mode: 5 µA (typical)
Electronic signature
– JEDEC standard two-byte signature
(7116h)
– Unique ID code (UID) +16 byte of CFI data
More than 100 000 write cycles per sector
More than 20 year data retention
Packages
– ECOPACK® (RoHS compliant)
VFQFPN8 (MP)
6 × 5 mm
SO8W (MW)
208 mils
SO16 (MF)
300 mils
August 2007
Rev 2
This is preliminary information on a new product now in development or undergoing evaluation. Details are subject to
change without notice.
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STMicroelectronics Electronic Components Datasheet

M25PX32 Datasheet

serial Flash memory

No Preview Available !

Contents
Contents
M25PX32
1 Description . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 6
2 Signal descriptions . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 9
2.1 Serial Data output (DQ1) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 9
2.2 Serial Data input (DQ0) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 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 Dual Input Fast Program . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 13
4.3 Subsector Erase, Sector Erase and Bulk Erase . . . . . . . . . . . . . . . . . . . . 13
4.4 Polling during a Write, Program or Erase cycle . . . . . . . . . . . . . . . . . . . . 13
4.5 Fast Bulk Erase mode . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 14
4.6 Active Power, Standby Power and Deep Power-down modes . . . . . . . . . 14
4.7 Status Register . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 14
4.8 Protection modes . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 15
4.8.1 Protocol-related protections . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 15
4.8.2 Specific hardware and software protection . . . . . . . . . . . . . . . . . . . . . . 16
4.9 Hold condition . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 18
5 Memory organization . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 19
6 Instructions . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 23
6.1 Write Enable (WREN) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 25
6.2 Write Disable (WRDI) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 26
2/63


Part Number M25PX32
Description serial Flash memory
Maker STMicroelectronics
Total Page 30 Pages
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