28F320J5 and 28F640J5
Contents
1.0
2.0
Product Overview.......................................................................................................7
Principles of Operation..........................................................................................11
2.1
Data Protection....................................................................................................11
3.0
Bus Operation............................................................................................................12
3.1
3.2
3.3
3.4
3.5
3.6
3.7
Read....................................................................................................................13
Output Disable.....................................................................................................13
Standby ...............................................................................................................13
Reset/Power-Down .............................................................................................13
Read Query.........................................................................................................14
Read Identifier Codes..........................................................................................14
Write....................................................................................................................16
4.0
Command Definitions.............................................................................................17
4.1
4.2
Read Array Command.........................................................................................18
Read Query Mode Command .............................................................................18
4.2.1 Query Structure Output ..........................................................................19
4.2.2 Query Structure Overview ......................................................................20
4.2.3 Block Status Register.............................................................................21
4.2.4 CFI Query Identification String...............................................................21
4.2.5 System Interface Information .................................................................22
4.2.6 Device Geometry Definition....................................................................23
4.2.7 Primary-Vendor Specific Extended Query Table....................................23
Read Identifier Codes Command........................................................................24
Read Status Register Command.........................................................................25
Clear Status Register Command.........................................................................25
Block Erase Command........................................................................................26
Block Erase Suspend Command ........................................................................26
Write to Buffer Command....................................................................................27
Byte/Word Program Commands .........................................................................27
Configuration Command .....................................................................................28
Set Block and Master Lock-Bit Commands.........................................................28
Clear Block Lock-Bits Command.........................................................................29
4.3
4.4
4.5
4.6
4.7
4.8
4.9
4.10
4.11
4.12
5.0
Design Considerations ..........................................................................................38
5.1
5.2
5.3
5.4
Three-Line Output Control...................................................................................38
STS and Block Erase, Program, and Lock-Bit Configuration Polling ..................38
Power Supply Decoupling...................................................................................38
Input Signal Transitions – Reducing Overshoots and Undershoots When Using
Buffers/Transceivers ...........................................................................................39
VCC, VPEN, RP# Transitions................................................................................39
Power-Up/Down Protection.................................................................................39
Power Dissipation................................................................................................40
5.5
5.6
5.7
6.0
Electrical Specifications........................................................................................40
6.1
Absolute Maximum Ratings.................................................................................40
Datasheet
3
INTEL [ INTEL ]
