AT26DF081A_13 Datasheet, PDF (5/40 Pages) List of Unclassifed Manufacturers – Minimum SPI Serial Flash Memory

Figure 4-1.
Memory Architecture Diagram
Block Erase Detail
Internal Sectoring for
Sector Protection
Function
32KB
(Sector 18)
8KB
(Sector 17)
8KB
(Sector 16)
16KB
(Sector 15)
64KB
(Sector 14)
64KB
32KB
4KB
Block Erase
Block Erase
Block Erase
(D8h Command) (52h Command) (20h Command)
Block Address
Range
64KB
32KB
32KB
64KB
32KB
32KB
4KB
0FFFFFh – 0FF000h
4KB
0FEFFFh – 0FE000h
4KB
0FDFFFh – 0FD000h
4KB
0FCFFFh – 0FC000h
4KB
0FBFFFh – 0FB000h
4KB
0FAFFFh – 0FA000h
4KB
0F9FFFh – 0F9000h
4KB
0F8FFFh – 0F8000h
4KB
0F7FFFh – 0F7000h
4KB
0F6FFFh – 0F6000h
4KB
0F5FFFh – 0F5000h
4KB
0F4FFFh – 0F4000h
4KB
0F3FFFh – 0F3000h
4KB
0F2FFFh – 0F2000h
4KB
0F1FFFh – 0F1000h
4KB
0F0FFFh – 0F0000h
4KB
0EFFFFh – 0EF000h
4KB
0EEFFFh – 0EE000h
4KB
0EDFFFh – 0ED000h
4KB
0ECFFFh – 0EC000h
4KB
0EBFFFh – 0EB000h
4KB
0EAFFFh – 0EA000h
4KB
0E9FFFh – 0E9000h
4KB
0E8FFFh – 0E8000h
4KB
0E7FFFh – 0E7000h
4KB
0E6FFFh – 0E6000h
4KB
0E5FFFh – 0E5000h
4KB
0E4FFFh – 0E4000h
4KB
0E3FFFh – 0E3000h
4KB
0E2FFFh – 0E2000h
4KB
0E1FFFh – 0E1000h
4KB
0E0FFFh – 0E0000h
64KB
(Sector 0)
64KB
32KB
32KB
4KB
00FFFFh – 00F000h
4KB
00EFFFh – 00E000h
4KB
00DFFFh – 00D000h
4KB
00CFFFh – 00C000h
4KB
00BFFFh – 00B000h
4KB
00AFFFh – 00A000h
4KB
009FFFh – 009000h
4KB
008FFFh – 008000h
4KB
007FFFh – 007000h
4KB
006FFFh – 006000h
4KB
005FFFh – 005000h
4KB
004FFFh – 004000h
4KB
003FFFh – 003000h
4KB
002FFFh – 002000h
4KB
001FFFh – 001000h
4KB
000FFFh – 000000h
AT26DF081A
Page Program Detail
1-256 Byte
Page Program
(02h Command)
Page Address
Range
256 Bytes
256 Bytes
256 Bytes
256 Bytes
256 Bytes
256 Bytes
256 Bytes
256 Bytes
256 Bytes
256 Bytes
256 Bytes
256 Bytes
256 Bytes
256 Bytes
256 Bytes
256 Bytes
256 Bytes
256 Bytes
256 Bytes
256 Bytes
256 Bytes
256 Bytes
256 Bytes
256 Bytes
0FFFFFh – 0FFF00h
0FFEFFh – 0FFE00h
0FFDFFh – 0FFD00h
0FFCFFh – 0FFC00h
0FFBFFh – 0FFB00h
0FFAFFh – 0FFA00h
0FF9FFh – 0FF900h
0FF8FFh – 0FF800h
0FF7FFh – 0FF700h
0FF6FFh – 0FF600h
0FF5FFh – 0FF500h
0FF4FFh – 0FF400h
0FF3FFh – 0FF300h
0FF2FFh – 0FF200h
0FF1FFh – 0FF100h
0FF0FFh – 0FF000h
0FEFFFh – 0FEF00h
0FEEFFh – 0FEE00h
0FEDFFh – 0FED00h
0FECFFh – 0FEC00h
0FEBFFh – 0FEB00h
0FEAFFh – 0FEA00h
0FE9FFh – 0FE900h
0FE8FFh – 0FE800h
256 Bytes
256 Bytes
256 Bytes
256 Bytes
256 Bytes
256 Bytes
256 Bytes
256 Bytes
256 Bytes
256 Bytes
256 Bytes
256 Bytes
256 Bytes
256 Bytes
256 Bytes
256 Bytes
256 Bytes
256 Bytes
256 Bytes
256 Bytes
256 Bytes
256 Bytes
256 Bytes
256 Bytes
0017FFh – 001700h
0016FFh – 001600h
0015FFh – 001500h
0014FFh – 001400h
0013FFh – 001300h
0012FFh – 001200h
0011FFh – 001100h
0010FFh – 001000h
000FFFh – 000F00h
000EFFh – 000E00h
000DFFh – 000D00h
000CFFh – 000C00h
000BFFh – 000B00h
000AFFh – 000A00h
0009FFh – 000900h
0008FFh – 000800h
0007FFh – 000700h
0006FFh – 000600h
0005FFh – 000500h
0004FFh – 000400h
0003FFh – 000300h
0002FFh – 000200h
0001FFh – 000100h
0000FFh – 000000h
5
3600I–DFLASH–5/2013