M25P40 Numonyx, B.V., M25P40 Datasheet - Page 16

• Manufacturer Part Number: M25P40
• Description: 4 Mbit, low voltage, serial Flash memory with 50 MHz SPI bus interface
• Manufacturer: Numonyx, B.V.

Memory organization
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Memory organization
The memory is organized as:
●
●
●
Each page can be individually programmed (bits are programmed from 1 to 0). The device is
Sector or Bulk Erasable (bits are erased from 0 to 1) but not Page Erasable.
Table 3.
524,288 bytes (8 bits each)
8 sectors (512 Kbits, 65536 bytes each)
2048 pages (256 bytes each).
Sector
7
6
5
4
3
2
1
0
Memory organization
70000h
60000h
50000h
40000h
30000h
20000h
10000h
00000h
Address range
7FFFFh
6FFFFh
5FFFFh
4FFFFh
3FFFFh
2FFFFh
1FFFFh
0FFFFh
M25P40