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M45PE80 データシート(PDF) 6 Page - STMicroelectronics

部品番号 M45PE80
部品情報  8 Mbit, low voltage, Page-Erasable Serial Flash memory with byte alterability and a 50 MHz SPI bus interface
PDF  47 Pages
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メーカー  STMICROELECTRONICS [STMicroelectronics]
ホームページ  http://www.st.com
Logo STMICROELECTRONICS - STMicroelectronics

M45PE80 データシート(HTML) 6 Page - STMicroelectronics

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Summary description
M45PE80
6/47
1
Summary description
The M45PE80 is a 8 Mbit (1 Mbit × 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 followed by a Page Program cycle.
The memory is organized as 16 sectors, each containing 256 pages. Each page is 256
bytes wide. Thus, the whole memory can be viewed as consisting 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.
In order to meet environmental requirements, ST offers the M45PE80 in ECOPACK®
packages. ECOPACK® packages are Lead-free and RoHS compliant.
ECOPACK is an ST trademark. ECOPACK specifications are available at: www.st.com.
Figure 1.
Logic diagram
Table 1.
Signal names
Signal name
Function
Direction
C
Serial Clock
Input
D
Serial Data Input
Input
Q
Serial Data Output
Output
S
Chip Select
Input
W
Write Protect
Input
Reset
Reset
Input
VCC
Supply Voltage
VSS
Ground
Reset
AI06810B
S
VCC
M45PE80
VSS
W
Q
C
D



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