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M25P80 Datasheet(PDF) 5 Page - STMicroelectronics

Part No. M25P80
Description  8 Mbit, Low Voltage, Serial Flash Memory With 25 MHz SPI Bus Interface
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Maker  STMICROELECTRONICS [STMicroelectronics]
Homepage  http://www.st.com
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M25P80 Datasheet(HTML) 5 Page - STMicroelectronics

 
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M25P80
SUMMARY DESCRIPTION
The M25P80 is a 8 Mbit (1M 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 256 bytes at
a time, using the Page Program instruction.
The memory is organized as 16 sectors, each con-
taining 256 pages. Each page is 256 bytes wide.
Thus, the whole memory can be viewed as con-
sisting of 4096 pages, or 1,048,576 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
Table 1. Signal Names
Figure 3. VDFPN and SO8 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.
2. See PACKAGE MECHANICAL section for package di-
mensions, and how to identify pin-1.
Figure 4. SO16 Connections
Note: 1. DU = Don’t Use
2. See PACKAGE MECHANICAL section for package di-
mensions, and how to identify pin-1.
C
Serial Clock
D
Serial Data Input
Q
Serial Data Output
S
Chip Select
W
Write Protect
HOLD
Hold
VCC
Supply Voltage
VSS
Ground
AI04964
S
VCC
M25P80
HOLD
VSS
W
Q
C
D
1
AI04965B
2
3
4
8
7
6
5
D
VSS
C
HOLD
Q
SVCC
W
M25P80
1
AI09712
2
3
4
16
15
14
13
DU
DU
DU
DU
VCC
HOLD
DU
DU
M25P80
5
6
7
8
12
11
10
9
W
Q
VSS
DU
DU
S
D
C


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