AT26DF041-MU View Datasheet(PDF) - Atmel Corporation

Part Name

Description

Manufacturer

AT26DF041-MU

4-megabit 3.0-volt Only or 2.7-volt Only Serial Firmware DataFlash®

Atmel Corporation 

4. Memory Architecture Diagram

Block Address

Range

7FFFFh – 7F000h

7EFFFh – 7E000h

7DFFFh – 7D000h

71FFFh – 71000h

70FFFh – 70000h

6FFFFh – 6F000h

6EFFFh – 6E000h

Block Erase Detail

4KB

Block Erase

(20h Command)

Internal

Sector

Architecture

2KB

Block Erase

(50h Command)

Sector 5

2KB

4KB

2KB

2KB

4KB

2KB

2KB

4KB

2KB

...

Sector 4

(62KB)

...

2KB

4KB

2KB

2KB

4KB

2KB

2KB

4KB

2KB

2KB

4KB

2KB

Block Address

Range

7FFFFh – 7F800h

7F7FFh – 7F000h

7EFFFh – 7E800h

7E7FFh – 7E000h

7DFFFh – 7D800h

7D7FFh – 7D000h

71FFFh – 71800h

717FFh – 71000h

70FFFh – 70800h

707FFh – 70000h

6FFFFh – 6F800h

6F7FFh – 6F000h

6EFFFh – 6E800h

6E7FFh – 6E000h

...

Sector 3

(64KB)

...

61FFFh – 61000h

4KB

60FFFh – 60000h

4KB

5FFFFh – 5F000h

4KB

5EFFFh – 5E000h

4KB

...

Sector 2

(128KB)

2KB

61FFFh – 61800h

2KB

617FFh – 61000h

2KB

60FFFh – 60800h

2KB

607FFh – 60000h

2KB

5FFFFh – 5F800h

2KB

5F7FFh – 5F000h

2KB

5EFFFh – 5E800h

2KB

5E7FFh – 5E000h

...

41FFFh – 41000h

4KB

40FFFh – 40000h

4KB

3FFFFh – 3F000h

4KB

3EFFFh – 3E000h

4KB

...

Sector 1

(128KB)

2KB

41FFFh – 41800h

2KB

417FFh – 41000h

2KB

40FFFh – 40800h

2KB

407FFh – 40000h

2KB

3FFFFh – 3F800h

2KB

3F7FFh – 3F000h

2KB

3EFFFh – 3E800h

2KB

3E7FFh – 3E000h

...

21FFFh – 21000h

4KB

20FFFh – 20000h

4KB

1FFFFh – 1F000h

4KB

1EFFFh – 1E000h

4KB

...

Sector 0

(128KB)

2KB

21FFFh – 21800h

2KB

217FFh – 21000h

2KB

20FFFh – 20800h

2KB

207FFh – 20000h

2KB

1FFFFh – 1F800h

2KB

1F7FFh – 1F000h

2KB

1EFFFh – 1E800h

2KB

1E7FFh – 1E000h

...

01FFFh – 01000h

4KB

00FFFh – 00000h

4KB

2KB

01FFFh – 01800h

2KB

017FFh – 01000h

2KB

00FFFh – 00800h

2KB

007FFh – 00000h

AT26DF041

4KB

Block Erase

(20h Command)

4KB

Page Erase Detail

2KB

Block Erase

(50h Command)

256 Byte

Page Erase

(81h Command)

256 Bytes

256 Bytes

256 Bytes

256 Bytes

2KB

256 Bytes

256 Bytes

256 Bytes

256 Bytes

256 Bytes

256 Bytes

256 Bytes

256 Bytes

2KB

256 Bytes

256 Bytes

256 Bytes

256 Bytes

Page Address

Range

7FFFFh – 7FF00h

7FEFFh – 7FE00h

7FDFFh – 7FD00h

7FCFFh – 7FC00h

7FBFFh – 7FB00h

7FAFFh – 7FA00h

7F9FFh – 7F900h

7F8FFh – 7F800h

7F7FFh – 7F700h

7F6FFh – 7F600h

7F5FFh – 7F500h

7F4FFh – 7F400h

7F3FFh – 7F300h

7F2FFh – 7F200h

7F1FFh – 7F100h

7F0FFh – 7F000h

...

...

...

256 Bytes 00FFFh – 00F00h

256 Bytes 00EFFh – 00E00h

256 Bytes 00DFFh – 00D00h

256 Bytes 00CFFh – 00C00h

2KB

256 Bytes 00BFFh – 00B00h

256 Bytes 00AFFh – 00A00h

256 Bytes 009FFh – 00900h

256 Bytes 008FFh – 00800h

4KB

256 Bytes 007FFh – 00700h

256 Bytes 006FFh – 00600h

256 Bytes 005FFh – 00500h

256 Bytes 004FFh – 00400h

2KB

256 Bytes 003FFh – 00300h

256 Bytes 002FFh – 00200h

256 Bytes 001FFh – 00100h

256 Bytes 000FFh – 00000h

3

3495B–DFLSH–8/05

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