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M25P05 Datasheet(PDF) 2 Page - STMicroelectronics

Part No. M25P05
Description  512 Kbit, Low Voltage, Serial Flash Memory With 20 MHz SPI Bus Interface
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Maker  STMICROELECTRONICS [STMicroelectronics]
Homepage  http://www.st.com
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M25P05 Datasheet(HTML) 2 Page - STMicroelectronics

 
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M25P05
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SUMMARY DESCRIPTION
The M25P05 is a 512 Kbit (64K x 8) Serial Flash
Memory, with advanced write protection mecha-
nisms, accessed by a high speed SPI-compatible
bus.
The memory can be programmed 1 to 128 bytes at
a time, using the Page Program instruction.
The memory is organized as 2 sectors, each con-
taining 256 pages. Each page is 128 bytes wide.
Thus, the whole memory can be viewed as con-
sisting of 512 pages, or 65536 bytes.
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
Figure 3. SO Connections
Table 1. Signal Names
AI04037
S
VCC
M25P05
HOLD
VSS
W
Q
C
D
1
AI04038
2
3
4
8
7
6
5
D
VSS
C
HOLD
Q
SVCC
W
M25P05
C
Serial Clock
D
Serial Data Input
Q
Serial Data Output
S
Chip Select
W
Write Protect
HOLD
Hold
VCC
Supply Voltage
VSS
Ground


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