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MX25L12845EZNI

128M-BIT [x 1/x 2/x 4] CMOS MXSMIO® (SERIAL MULTI I/O) FLASH MEMORY

Macronix International 

MX25L12845E

(25) Exit Secured OTP (EXSO)......................................................................................................................... 28

(26) Read Security Register (RDSCUR)........................................................................................................... 28

Security Register Definition............................................................................................................................... 29

(27) Write Security Register (WRSCUR)........................................................................................................... 29

(28) Write Protection Selection (WPSEL).......................................................................................................... 30

BP and SRWD if WPSEL=0.............................................................................................................................. 30

The individual block lock mode is effective after setting WPSEL=1.................................................................. 31

WPSEL Flow..................................................................................................................................................... 32

(29) Single Block Lock/Unlock Protection (SBLK/SBULK)................................................................................ 33

Block Lock Flow................................................................................................................................................ 33

Block Unlock Flow............................................................................................................................................. 34

(30) Read Block Lock Status (RDBLOCK)........................................................................................................ 35

(31) Gang Block Lock/Unlock (GBLK/GBULK)................................................................................................. 35

(32) Clear SR Fail Flags (CLSR)....................................................................................................................... 35

(33) Read SFDP Mode (RDSFDP).................................................................................................................... 36

Read Serial Flash Discoverable Parameter (RDSFDP) Sequence................................................................... 36

Table a. Signature and Parameter Identification Data Values .......................................................................... 37

Table b. Parameter Table (0): JEDEC Flash Parameter Tables........................................................................ 38

Table c. Parameter Table (1): Macronix Flash Parameter Tables...................................................................... 40

POWER-ON STATE.................................................................................................................................................... 42

ELECTRICAL SPECIFICATIONS............................................................................................................................... 43

ABSOLUTE MAXIMUM RATINGS.................................................................................................................... 43

Figure 2. Maximum Negative Overshoot Waveform......................................................................................... 43

CAPACITANCE TA = 25°C, f = 1.0 MHz............................................................................................................ 43

Figure 3. Maximum Positive Overshoot Waveform........................................................................................... 43

Figure 4. INPUT TEST WAVEFORMS AND MEASUREMENT LEVEL............................................................. 44

Figure 5. OUTPUT LOADING.......................................................................................................................... 44

Table 7. DC CHARACTERISTICS (Temperature = -40°C to 85°C for Industrial grade, VCC = 2.7V ~ 3.6V) .. 45

Table 8. AC CHARACTERISTICS (Temperature = -40°C to 85°C for Industrial grade, VCC = 2.7V ~ 3.6V) .46

Timing Analysis......................................................................................................................................................... 48

Figure 6. Serial Input Timing............................................................................................................................. 48

Figure 7. Output Timing..................................................................................................................................... 48

Figure 8. Serial Input Timing for Double Transfer Rate Mode........................................................................... 49

Figure 9. Serial Output Timing for Double Transfer Rate Mode........................................................................ 49

Figure 10. WP# Setup Timing and Hold Timing during WRSR when SRWD=1................................................ 50

Figure 11. Write Enable (WREN) Sequence (Command 06)............................................................................ 50

Figure 12. Write Disable (WRDI) Sequence (Command 04)............................................................................. 50

Figure 13. Read Identification (RDID) Sequence (Command 9F)..................................................................... 51

Figure 14. Read Status Register (RDSR) Sequence (Command 05)............................................................... 51

Figure 15. Write Status Register (WRSR) Sequence (Command 01).............................................................. 51

Figure 16. Read Data Bytes (READ) Sequence (Command 03)..................................................................... 52

Figure 17. Read at Higher Speed (FAST_READ) Sequence (Command 0B)................................................. 52

Figure 18. Fast DT Read (FASTDTRD) Sequence (Command 0D).................................................................. 52

Figure 19. 2 x I/O Read Mode Sequence (Command BB)................................................................................ 53

Figure 20. Fast Dual I/O DT Read (2DTRD) Sequence (Command BD).......................................................... 53

Figure 21. 4 x I/O Read Mode Sequence (Command EB)................................................................................ 54

P/N: PM1428

REV. 1.9, SEP. 06, 2013

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