M45PE40-VMP6 STMICROELECTRONICS [STMicroelectronics], M45PE40-VMP6 Datasheet - Page 9

• Manufacturer Part Number: M45PE40-VMP6
• Description: 4 Mbit, Low Voltage, Page-Erasable Serial Flash Memory With Byte-Alterability and a 33 MHz SPI Bus Interface
• Manufacturer: STMICROELECTRONICS [STMicroelectronics]

MEMORY ORGANIZATION
The memory is organized as:
Each page can be individually:
–
–
–
The device is Page or Sector Erasable (bits are
erased from 0 to 1).
2048 pages (256 bytes each).
524288 bytes (8 bits each)
8 sectors (512 Kbits, 65536 bytes each)
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)
Table 3. Memory Organization
Sector
7
6
5
4
3
2
1
0
70000h
60000h
50000h
40000h
30000h
20000h
10000h
00000h
Address Range
7FFFFh
6FFFFh
5FFFFh
4FFFFh
3FFFFh
2FFFFh
1FFFFh
0FFFFh
M45PE40
9/35