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PDF 45PE80 Data sheet ( Hoja de datos )

Número de pieza 45PE80
Descripción M45PE80
Fabricantes STMicroelectronics 
Logotipo STMicroelectronics Logotipo



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No Preview Available ! 45PE80 Hoja de datos, Descripción, Manual

M45PE80
8 Mbit, Low Voltage, Page-Erasable Serial Flash Memory
With Byte-Alterability and a 25 MHz SPI Bus Interface
FEATURES SUMMARY
8Mbit of Page-Erasable Flash Memory
Page Write (up to 256 Bytes) in 11ms (typical)
Page Program (up to 256 Bytes) in 1.2ms
(typical)
Page Erase (256 Bytes) in 10ms (typical)
Sector Erase (512 Kbit)
2.7 to 3.6V Single Supply Voltage
SPI Bus Compatible Serial Interface
25MHz Clock Rate (maximum)
Deep Power-down Mode 1µA (typical)
Electronic Signature
– JEDEC Standard Two-Byte Signature
(4014h)
More than 100,000 Write Cycles
More than 20 Year Data Retention
Figure 1. Packages
VDFPN8 (MP)
6x5mm (MLP8)
SO16 (MF)
300 mil width
www.DataSheet4U.com
May 2004
1/36

1 page




45PE80 pdf
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
Figure 3. VDFPN Connections
M45PE80
D
C
Reset
S
1
2
3
4
8Q
7 VSS
6 VCC
5W
AI06811B
D
C
S
W
Reset
VCC
M45PE80
Q
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
VSS
Table 1. Signal Names
C Serial Clock
D Serial Data Input
Q Serial Data Output
S Chip Select
W Write Protect
Reset
Reset
VCC Supply Voltage
www.DataSVhSeSet4U.com Ground
AI06810B
VSS
Q
DU
DU
DU
DU
D
C
M45PE80
1 16
2 15
3 14
4 13
5 12
6 11
7 10
89
AI09031B
VCC
W
DU
DU
DU
DU
S
RESET
Note: 1. DU = Don’t Use
2. See PACKAGE MECHANICAL section for package di-
mensions, and how to identify pin-1.
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45PE80 arduino
Figure 7. Block Diagram
Reset
W
S
C
D
Q
Control Logic
Address Register
and Counter
M45PE80
High Voltage
Generator
I/O Shift Register
256 Byte
Data Buffer
FFFFFh
Status
Register
10000h
00000h
256 Bytes (Page Size)
X Decoder
000FFh
First 256 Pages can
be made read-only
AI06812
www.DataSheet4U.com
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