3
MX25L25735E
P/N: PM1586 REV. 1.2, FEB. 10, 2012
(24) Read Security Register (RDSCUR) .......................................................................................................... 29
Security Register Denition .............................................................................................................................. 30
(25) Write Security Register (WRSCUR) .......................................................................................................... 30
(26) Write Protection Selection (WPSEL) ......................................................................................................... 31
BP and SRWD if WPSEL=0 ............................................................................................................................. 31
The individual block lock mode is effective after setting WPSEL=1 ................................................................. 32
WPSEL Flow .................................................................................................................................................... 33
(27) Single Block Lock/Unlock Protection (SBLK/SBULK) ............................................................................... 34
Block Lock Flow ............................................................................................................................................... 34
Block Unlock Flow ............................................................................................................................................ 35
(28) Read Block Lock Status (RDBLOCK) ....................................................................................................... 36
(29) Gang Block Lock/Unlock (GBLK/GBULK)................................................................................................. 36
(30) Clear SR Fail Flags (CLSR) ...................................................................................................................... 36
(31) Enable SO to Output RY/BY# (ESRY) ...................................................................................................... 36
(32) Disable SO to Output RY/BY# (DSRY) ..................................................................................................... 36
(33) Read SFDP Mode (RDSFDP) ................................................................................................................... 37
Read Serial Flash Discoverable Parameter (RDSFDP) Sequence .................................................................. 37
Table a. Signature and Parameter Identication Data Values ......................................................................... 38
Table b. Parameter Table (0): JEDEC Flash Parameter Tables ....................................................................... 39
Table c. Parameter Table (1): Macronix Flash Parameter Tables ..................................................................... 41
POWER-ON STATE ................................................................................................................................................... 43
ELECTRICAL SPECIFICATIONS .............................................................................................................................. 44
ABSOLUTE MAXIMUM RATINGS ................................................................................................................... 44
Figure 3. Maximum Negative Overshoot Waveform ........................................................................................ 44
CAPACITANCE TA = 25°C, f = 1.0 MHz ........................................................................................................... 44
Figure 4. Maximum Positive Overshoot Waveform .......................................................................................... 44
Figure 5. OUTPUT LOADING ......................................................................................................................... 45
Table 7. DC CHARACTERISTICS (Temperature = -40°C to 85°C for Industrial grade, VCC = 2.7V ~ 3.6V) . 46
Table 8. AC CHARACTERISTICS (Temperature = -40°C to 85°C for Industrial grade, VCC = 2.7V ~ 3.6V) 47
Timing Analysis ........................................................................................................................................................ 49
Figure 6. Serial Input Timing ............................................................................................................................ 49
Figure 7. Output Timing .................................................................................................................................... 49
Figure 8. Hold Timing ....................................................................................................................................... 50
Figure 9. WP# Setup Timing and Hold Timing during WRSR when SRWD=1 ................................................. 50
Figure 10. Write Enable (WREN) Sequence (Command 06) ........................................................................... 51
Figure 11. Write Disable (WRDI) Sequence (Command 04) ............................................................................ 51
Figure 12. Read Identication (RDID) Sequence (Command 9F) .................................................................... 51
Figure 13. Read Status Register (RDSR) Sequence (Command 05) .............................................................. 52
Figure 14. Write Status Register (WRSR) Sequence (Command 01) ............................................................. 52
Figure 15. Read Data Bytes (READ) Sequence (Command 03) .................................................................... 53
Figure 16. Read at Higher Speed (FAST_READ) Sequence (Command 0B) ................................................ 53
Figure 17. 2 x I/O Read Mode Sequence (Command BB) ............................................................................... 54
Figure 18. Dual Read Mode Sequence (Command 3B)................................................................................... 54
Figure 19. 4 x I/O Read Mode Sequence (Command EB) ............................................................................... 55
Figure 20. Quad Read Mode Sequence (Command 6B) ................................................................................. 55
Figure 21. 4 x I/O Read Enhance Performance Mode Sequence (Command EB) .......................................... 56