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SA25F020 Advanced Information
SAIFUN
3
Table of Contents
Features......................................................................... 1
General Description...................................................... 2
Memory Organization.................................................... 5
Connection Diagrams................................................... 6
Ordering Information .................................................... 7
Product Specifications ................................................. 8
Absolute Maximum Ratings..................................... 8
ESD/Latch Up Specification (JEDEC 8 Spec) ......... 8
Operating Conditions............................................... 8
DC Characteristics........................................................ 9
AC Test Conditions..................................................... 10
Timing Diagrams......................................................... 11
Signal Description....................................................... 13
Chip Select (CSb).................................................. 13
Serial Clock (SCK) ................................................ 13
Serial Input (SI)..................................................... 13
Serial Output (SO)................................................. 13
Hold (HOLDb)........................................................ 13
Write Protect (WPb).............................................. 13
Serial Interface Description........................................ 14
SPI Modes ............................................................ 14
Master........................................................... 14
Slave............................................................. 14
Transmitter/Receiver..................................... 14
Serial Opcode................................................ 14
Invalid Opcode .............................................. 14
Chip Select (CSb).......................................... 15
Hold Condition............................................... 15
Write Protect ................................................. 16
Functional Description ............................................... 17
Instructions............................................................ 17
Read Status Register (RDSR)............................... 18
Write Enable (WREN) ........................................... 20
Write Disable (WRDI)............................................ 20
Write Status Register (WRSR).............................. 21
Read Data Bytes (READ)...................................... 23
Fast Read (FAST_READ) ..................................... 24
Page Programming (PP) ....................................... 25
Page
Erase
(PE)................................................... 27
Sector Erase (SE) ................................................. 28
Bulk Erase (BE)..................................................... 29
Software Protection (SP)/ Deep Powerdown (DP). 30
Release from Software Protect (RES)................... 31
Release from Software Protection and Read
Electronic Signature (RES).................................... 32
Powerup and Powerdown...................................... 33
Physical Dimensions................................................... 34
Contact Information.................................................... 37
Life Support Policy...................................................... 37