User guide
Table Of Contents
- Features
- 1. Description
- 2. Pin Configurations and Pinouts
- 3. Block Diagram
- 4. Memory Array
- 5. Device Operation
- 6. Read Commands
- 7. Program and Erase Commands
- 8. Sector Protection
- 9. Hardware Controlled Protection
- 10. Security Features
- 11. Additional Commands
- 12. Deep Power-down
- 13. “Power of 2” Binary Page Size Option
- 14. Manufacturer and Device ID Read
- 15. Command Tables
- 16. Power-on/Reset State
- 17. System Considerations
- 18. Electrical Specifications
- 19. Input Test Waveforms and Measurement Levels
- 20. Output Test Load
- 21. AC Waveforms
- 21.1 Waveform 1 – SPI Mode 0 Compatible (for Frequencies up to 66MHz)
- 21.2 Waveform 2 – SPI Mode 3 Compatible (for Frequencies up to 66MHz)
- 21.3 Waveform 3 – RapidS Mode 0 (FMAX = 66MHz)
- 21.4 Waveform 4 – RapidS Mode 3 (FMAX = 66MHz)
- 21.5 Utilizing the RapidS Function
- 21.6 Reset Timing
- 21.7 Command Sequence for Read/Write Operations for Page Size 256-Bytes (Except Status Register Read, Manufacturer and Device ID Read)
- 21.8 Command Sequence for Read/Write Operations for Page Size 264-Bytes (Except Status Register Read, Manufacturer and Device ID Read)
- 22. Write Operations
- 23. Read Operations
- 24. Detailed Bit-level Read Waveform – RapidS Serial Interface Mode 0/Mode 3
- 24.1 Continuous Array Read (Legacy Opcode E8H)
- 24.2 Continuous Array Read (Opcode 0BH)
- 24.3 Continuous Array Read (Low Frequency: Opcode 03H)
- 24.4 Main Memory Page Read (Opcode: D2H)
- 24.5 Buffer Read (Opcode D4H or D6H)
- 24.6 Buffer Read (Low Frequency: Opcode D1H or D3H)
- 24.7 Read Sector Protection Register (Opcode 32H)
- 24.8 Read Sector Lockdown Register (Opcode 35H)
- 24.9 Read Security Register (Opcode 77H)
- 24.10 Status Register Read (Opcode D7H)
- 24.11 Manufacturer and Device Read (Opcode 9FH)
- 25. Auto Page Rewrite Flowchart
- 26. Ordering Information
- 27. Packaging Information
- 28. Revision History
- 29. Errata
29
3596N–DFLASH–11/2012
AT45DB081D
Notes: x = Don’t Care
Table 15-6. Detailed Bit-level Addressing Sequence for Binary Page Size (256-Bytes)
Page Size = 256-bytes Address Byte Address Byte Address Byte
Additional
Don’t Care
BytesOpcode Opcode
Reserved
Reserved
Reserved
Reserved
A19
A18
A17
A16
A15
A14
A13
A12
A11
A10
A9
A8
A7
A6
A5
A4
A3
A2
A1
A0
03h 0 0 0 0 0 0 1 1 x x x xAAA A AAAAAAA A AAAAAAA A
N/A
0Bh 0 0 0 0 1 0 1 1 x x x xAAA A AAAAAAA A AAAAAAA A
1
50h 0 1 0 1 0 0 0 0 x x x xAAA A AAAAAx x x x x x x x x x x
N/A
53h 0 1 0 1 0 0 1 1 x x x xAAA A AAAAAAA A x x x x x x x x
N/A
55h 0 1 0 1 0 1 0 1 x x x xAAA A AAAAAAA A x x x x x x x x
N/A
58h 0 1 0 1 1 0 0 0 x x x xAAA A AAAAAAA A x x x x x x x x
N/A
59h 0 1 0 1 1 0 0 1 x x x xAAA A AAAAAAA A x x x x x x x x
N/A
60h 0 1 1 0 0 0 0 0 x x x xAAA A AAAAAAA A x x x x x x x x
N/A
61h 0 1 1 0 0 0 0 1 x x x xAAA A AAAAAAA A x x x x x x x x
N/A
77h 01110111 xxxxxxx x xxxxxxx x xxxxxxx x
N/A
7Ch 01111100 xxxxAAAx xxxxxxx x xxxxxxx x
N/A
81h 1 0 0 0 0 0 0 1 x x x xAAA A AAAAAAA A x x x x x x x x
N/A
82h 1 0 0 0 0 0 1 0 x x x xAAA A AAAAAAA A AAAAAAA A
N/A
83h 1 0 0 0 0 0 1 1 x x x xAAA A AAAAAAA A x x x x x x x x
N/A
84h 10000100 xxxxxxx x xxxxxxx xAAAAAAAA
N/A
85h 1 0 0 0 0 1 0 1 x x x xAAA A AAAAAAA A AAAAAAA A
N/A
86h 1 0 0 0 0 1 1 0 x x x xAAA A AAAAAAA A x x x x x x x x
N/A
87h 10000111 xxxxxxx x xxxxxxx xAAAAAAAA
N/A
88h 1 0 0 0 1 0 0 0 x x x xAAA A AAAAAAA A x x x x x x x x
N/A
89h 1 0 0 0 1 0 0 1 x x x xAAA A AAAAAAA A x x x x x x x x
N/A
9Fh 1 0 0 1 1 1 1 1 N/A N/A N/A
N/A
B9h 1 0 1 1 1 0 0 1 N/A N/A N/A
N/A
ABh 1 0 1 0 1 0 1 1 N/A N/A N/A
N/A
D1h 11010001 xxxxxxx x xxxxxxx xAAAAAAAA
N/A
D2h 1 1 0 1 0 0 1 0 x x x xAAA A AAAAAAA A AAAAAAA A
4
D3h 11010011 xxxxxxx x xxxxxxx xAAAAAAAA
N/A
D4h 11010100 xxxxxxx x xxxxxxx xAAAAAAAA
1
D6h 11010110 xxxxxxx x xxxxxxx xAAAAAAAA
1
D7h 1 1 0 1 0 1 1 1 N/A N/A N/A
N/A
E8h 1 1 1 0 1 0 0 0 x x x xAAA A AAAAAAA A AAAAAAA A
4