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25PE20VP 데이터시트(PDF) 17 Page - STMicroelectronics

부품명 25PE20VP
상세설명  1 and 2 Mbit, low voltage, Page-Erasable Serial Flash memories with Byte-Alterability, 50 MHz SPI bus, standard pinout
PDF  60 Pages
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제조업체  STMICROELECTRONICS [STMicroelectronics]
홈페이지  http://www.st.com
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25PE20VP 데이터시트(HTML) 17 Page - STMicroelectronics

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M25PE20, M25PE10
Memory organization
17/60
5
Memory organization
The M25PE20 memory is organized as:
●
1024 pages (256 Bytes each).
●
262,144 Bytes (8 bits each)
●
64 subsectors (32 Kbits, 4096 bytes each)
●
4 sectors (512 Kbits, 65536 Bytes each)
The M25PE10 memory is organized as:
●
512 pages (256 Bytes each).
●
131,074 Bytes (8 bits each)
●
32 subsectors (32 Kbits, 4096 bytes each)
●
2 sectors (512 Kbits, 65536 Bytes each)
In the M25PE20 and M25PE10, each page can be individually:
●
programmed (bits are programmed from 1 to 0)
●
erased (bits are erased from 0 to 1)
●
written (bits are changed to either 0 or 1)
The device is Page or Sector Erasable (bits are erased from 0 to 1).
Table 5.
M25PE20 memory organization
Sector
Subsector
Address range
3
63
3F000h
3FFFFh
48
30000h
30FFFh
2
47
2F000h
2FFFFh
32
20000h
20FFFh
1
31
1F000h
1FFFFh
16
10000h
10FFFh
0
15
0F000h
0FFFFh
4
04000h
04FFFh
3
03000h
03FFFh
2
02000h
02FFFh
1
01000h
01FFFh
0
00000h
00FFFh



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