2
MX25U4033E
2
P/N: PM1755 REV. 1.2, MAR, 20, 2012
Contents
1. FEATURES .............................................................................................................................................................. 5
Table 1. Additional Feature Comparison ....................................................................................................... 7
2. PIN CONFIGURATIONS ......................................................................................................................................... 8
3. PIN DESCRIPTION .................................................................................................................................................. 8
4. BLOCK DIAGRAM ................................................................................................................................................... 9
5. DATA PROTECTION .............................................................................................................................................. 10
Table 2. Protected Area Sizes ..................................................................................................................... 11
Table 3. 4K-bit Secured OTP Denition ...................................................................................................... 11
6. MEMORY ORGANIZATION ................................................................................................................................... 12
Table 4. Memory Organization ....................................................................................................................12
7. DEVICE OPERATION ............................................................................................................................................ 13
Figure 1. Serial Modes Supported .............................................................................................................. 13
8. HOLD FEATURE .................................................................................................................................................... 14
Figure 2. Hold Condition Operation ........................................................................................................... 14
9. COMMAND DESCRIPTION ................................................................................................................................... 15
Table 5. Command Set ...............................................................................................................................15
9-1. Write Enable (WREN) ................................................................................................................................. 17
9-2. Write Disable (WRDI) ................................................................................................................................. 17
9-3. Read Identication (RDID) .......................................................................................................................... 17
9-4. Read Status Register (RDSR) .................................................................................................................... 17
Table 6. Status Register .............................................................................................................................. 21
9-5. Write Status Register (WRSR) ................................................................................................................... 22
Table 7. Protection Modes ..........................................................................................................................22
9-6. Read Data Bytes (READ) ........................................................................................................................... 23
9-7. Read Data Bytes at Higher Speed (FAST_READ) ..................................................................................... 23
9-8. 2 x I/O Read Mode (2READ) ...................................................................................................................... 23
9-9. 4 x I/O Read Mode (4READ) ...................................................................................................................... 24
9-10. Performance Enhance Mode ...................................................................................................................... 25
9-11. Sector Erase (SE) ....................................................................................................................................... 25
9-12. Block Erase (BE32K) .................................................................................................................................. 26
9-13. Block Erase (BE) ........................................................................................................................................ 26
9-14. Chip Erase (CE) ......................................................................................................................................... 26
9-15. Page Program (PP) .................................................................................................................................... 27
9-16. 4 x I/O Page Program (4PP) ....................................................................................................................... 27
9-17. Deep Power-down (DP) .............................................................................................................................. 27
9-18. Release from Deep Power-down (RDP), Read Electronic Signature (RES) .............................................. 28
9-19. Read Electronic Manufacturer ID & Device ID (REMS), (REMS2), (REMS4) ............................................ 28
Table 8. ID Denitions ................................................................................................................................29
9-20. Enter Secured OTP (ENSO) ....................................................................................................................... 29