2
Rev. 1.6, December 12, 2018
MX25R1635F
P/N: PM2161
Macronix Proprietary
Contents
1. FEATURES ..............................................................................................................................................................4
2. GENERAL DESCRIPTION ..................................................................................................................................... 6
Table 1. Additional Feature
..........................................................................................................................7
3. PIN CONFIGURATIONS
......................................................................................................................................... 8
4. PIN DESCRIPTION .................................................................................................................................................. 8
5. BLOCK DIAGRAM ................................................................................................................................................... 9
6. DATA PROTECTION .............................................................................................................................................. 10
Table 2. Protected Area Sizes
................................................................................................................... 11
Table 3. 8K-bit Secured OTP Denition ....................................................................................................12
7. MEMORY ORGANIZATION
................................................................................................................................... 13
Table 4. Memory Organization
..................................................................................................................13
8. DEVICE OPERATION
............................................................................................................................................ 14
9. HOLD FEATURE .................................................................................................................................................... 16
10. COMMAND DESCRIPTION ................................................................................................................................. 17
Table 5. Command Set
..............................................................................................................................17
10-1. Write Enable (WREN) .............................................................................................................................. 20
10-2. Write Disable (WRDI) ............................................................................................................................... 21
10-3. Read Identication (RDID) ....................................................................................................................... 22
10-4. Read Electronic Signature (RES) ............................................................................................................ 23
10-5. Read Electronic Manufacturer ID & Device ID (REMS) ........................................................................... 24
10-6. ID Read .................................................................................................................................................... 25
Table 6. ID Denitions ..............................................................................................................................25
10-7. Read Status Register (RDSR) ................................................................................................................. 26
10-8. Read Conguration Register (RDCR) ...................................................................................................... 27
10-9. Write Status Register (WRSR) ................................................................................................................. 32
Table 7. Protection Modes .........................................................................................................................33
10-10. Read Data Bytes (READ) ........................................................................................................................ 36
10-11. Read Data Bytes at Higher Speed (FAST_READ) .................................................................................. 37
10-12. Dual Read Mode (DREAD) ...................................................................................................................... 38
10-13. 2 x I/O Read Mode (2READ) ................................................................................................................... 39
10-14. Quad Read Mode (QREAD) .................................................................................................................... 40
10-15. 4 x I/O Read Mode (4READ) ................................................................................................................... 41
10-16. Burst Read ............................................................................................................................................... 43
10-17. Performance Enhance Mode ................................................................................................................... 44
10-18. Sector Erase (SE) .................................................................................................................................... 46
10-19. Block Erase (BE32K) ............................................................................................................................... 47
10-20. Block Erase (BE) ..................................................................................................................................... 48
10-21. Chip Erase (CE) ....................................................................................................................................... 49
10-22. Page Program (PP) ................................................................................................................................. 50
10-23. 4 x I/O Page Program (4PP) .................................................................................................................... 51
10-24. Deep Power-down (DP) ........................................................................................................................... 52
10-25. Enter Secured OTP (ENSO) .................................................................................................................... 53
10-26. Exit Secured OTP (EXSO) ....................................................................................................................... 53
10-27. Read Security Register (RDSCUR) ......................................................................................................... 53