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M25PXX Datasheet(PDF) 2 Page - STMicroelectronics

Part No. M25PXX
Description  512 Kbit to 32 Mbit, Low Voltage, Serial Flash Memory With 40 MHz or 50 MHz SPI Bus Interface
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Maker  STMICROELECTRONICS [STMicroelectronics]
Homepage  http://www.st.com
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M25PXX Datasheet(HTML) 2 Page - STMicroelectronics

   
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M25PXX
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SUMMARY DESCRIPTION
The M25Pxx is a 512Kbit to 32Mbit (2M x 8) Serial
Flash Memory, with advanced write protection
mechanisms, accessed by a high speed SPI-com-
patible bus.
The memory can be programmed 1 to 256 bytes at
a time, using the Page Program instruction.
The memory is organized as a number of sectors,
each containing 256 or 128 pages. Each page is
256 bytes wide.
The whole memory can be erased using the Bulk
Erase instruction, or a sector at a time, using the
Sector Erase instruction.
Figure 2. Logic Diagram
Table 2. Signal Names
Figure 3. SO8 and VDFPN Connections
Note: 1. There is an exposed die paddle on the underside of the
MLP8 package. This is pulled, internally, to VSS, and
must not be allowed to be connected to any other voltage
or signal line on the PCB.
Figure 4. SO16 Connections
Note: 1. DU = Don’t Use
C
Serial Clock
D
Serial Data Input
Q
Serial Data Output
S
Chip Select
W
Write Protect
HOLD
Hold
VCC
Supply Voltage
VSS
Ground
AI10258
S
VCC
M25Pxx
HOLD
VSS
W
Q
C
D
1
AI10259
2
3
4
8
7
6
5
D
VSS
C
HOLD
Q
SVCC
W
M25Pxx
1
AI10260
2
3
4
16
15
14
13
DU
DU
DU
DU
VCC
HOLD
DU
DU
M25Pxx
5
6
7
8
12
11
10
9
W
Q
VSS
DU
DU
S
D
C


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