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M45PE80 Datasheet(PDF) 5 Page - STMicroelectronics

Part No. M45PE80
Description  8 Mbit, Low Voltage, Page-Erasable Serial Flash Memory With Byte-Alterability and a 25 MHz SPI Bus Interface
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Maker  STMICROELECTRONICS [STMicroelectronics]
Homepage  http://www.st.com
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M45PE80 Datasheet(HTML) 5 Page - STMicroelectronics

 
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M45PE80
SUMMARY DESCRIPTION
The M45PE80 is a 8Mbit (1M x 8 bit) Serial Paged
Flash Memory accessed by a high speed SPI-
compatible bus.
The memory can be written or programmed 1 to
256 bytes at a time, using the Page Write or Page
Program instruction. The Page Write instruction
consists of an integrated Page Erase cycle fol-
lowed by a Page Program cycle.
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 memory can be erased a page at a time, using
the Page Erase instruction, or a sector at a time,
using the Sector Erase instruction.
Figure 2. Logic Diagram
Table 1. Signal Names
Figure 3. 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.
2. See PACKAGE MECHANICAL section for package di-
mensions, and how to identify pin-1.
Figure 4. SO 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
Reset
Reset
VCC
Supply Voltage
VSS
Ground
Reset
AI06810B
S
VCC
M45PE80
VSS
W
Q
C
D
1
AI06811B
2
3
4
8
7
6
5
W
S
VCC
VSS
C
DQ
Reset
M45PE80
1
AI09031B
2
3
4
16
15
14
13
DU
DU
DU
DU
VSS
DU
DU
M45PE80
5
6
7
8
12
11
10
9
RESET
Q
VCC
DU
DU
S
W
D
C


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