Rainbow Electronics AT45DB081D User Manual

Megabit 2.5v or 2.7v dataflash, Features, Description

Table of contents

Document Outline

Features
1. Description
2. Pin Configurations and Pinouts
3. Block Diagram
4. Memory Array
5. Device Operation
6. Read Commands
- 6.1 Continuous Array Read (Legacy Command: E8H): Up to 66MHz
- 6.2 Continuous Array Read (High Frequency Mode: 0BH): Up to 66MHz
- 6.3 Continuous Array Read (Low Frequency Mode: 03H): Up to 33MHz
- 6.4 Main Memory Page Read
- 6.5 Buffer Read
7. Program and Erase Commands
- 7.1 Buffer Write
- 7.2 Buffer to Main Memory Page Program with Built-in Erase
- 7.3 Buffer to Main Memory Page Program without Built-in Erase
- 7.4 Page Erase
- 7.5 Block Erase
- 7.6 Sector Erase
- 7.7 Chip Erase
- 7.8 Main Memory Page Program Through Buffer
8. Sector Protection
- 8.1 Software Sector Protection
9. Hardware Controlled Protection
- 9.1 Sector Protection Register
10. Security Features
- 10.1 Sector Lockdown
  - 10.1.1 Sector Lockdown Register
  - 10.1.2 Reading the Sector Lockdown Register
- 10.2 Security Register
  - 10.2.1 Programming the Security Register
  - 10.2.2 Reading the Security Register
11. Additional Commands
- 11.1 Main Memory Page to Buffer Transfer
- 11.2 Main Memory Page to Buffer Compare
- 11.3 Auto Page Rewrite
- 11.4 Status Register Read
12. Deep Power-down
- 12.1 Resume from Deep Power-down
13. “Power of 2” Binary Page Size Option
- 13.1 Programming the Configuration Register
14. Manufacturer and Device ID Read
- 14.1 Manufacturer and Device ID Information
- 14.2 Operation Mode Summary
15. Command Tables
16. Power-on/Reset State
- 16.1 Initial Power-up/Reset Timing Restrictions
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
- 22.1 Buffer Write
- 22.2 Buffer to Main Memory Page Program (Data from Buffer Programmed into Flash Page)
23. Read Operations
- 23.1 Main Memory Page Read
- 23.2 Main Memory Page to Buffer Transfer (Data from Flash Page Read into Buffer)
- 23.3 Buffer Read
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
- 26.1 Ordering Code Detail
- 26.2 Green Package Options (Pb/Halide-free/RoHS Compliant)
27. Packaging Information
- 27.1 8M1-A – MLF (VDFN)
- 27.2 8S1 – JEDEC SOIC
- 27.3 8S2 – EIAJ SOIC
28. Revision History
29. Errata
- 29.1 No Errata Conditions