MX25L6445E MX25L6445E HIGH PERFORMANCE SERIAL FLASH SPECIFICATION P/N: PM1736 REV. 1.8, DEC. 26, 2011 1MX25L6445E Contents FEATURES ..................................................................................................................................................................5 GENERAL DESCRIPTION .........................................................................................................................................7 Table 1. Additional Features .............................................................................................................................. 7 PIN CONFIGURATION ................................................................................................................................................8 PIN DESCRIPTION ......................................................................................................................................................8 BLOCK DIAGRAM .......................................................................................................................................................9 DATA PROTECTION ..................................................................................................................................................10 Table 2. Protected Area Sizes .......................................................................................................................... 11 Table 3. 4K-bit Secured OTP Definition ............................................................................................................ 11 Memory Organization ...............................................................................................................................................12 Table 4. Memory Organization ......................................................................................................................... 12 DEVICE OPERATION ................................................................................................................................................13 Figure 1-1. Serial Modes Supported (for Normal Serial mode) ........................................................................ 13 Figure 1-2. Serial Modes Supported (for Double Transfer Rate serial read mode) .......................................... 13 COMMAND DESCRIPTION .......................................................................................................................................14 Table 5. Command Sets ................................................................................................................................... 14 (1) Write Enable (WREN) ................................................................................................................................. 16 (2) Write Disable (WRDI) .................................................................................................................................. 16 (3) Read Identification (RDID) .......................................................................................................................... 16 (4) Read Status Register (RDSR) .................................................................................................................... 17 (5) Write Status Register (WRSR) .................................................................................................................... 18 Protection Modes ............................................................................................................................................. 18 (6) Read Data Bytes (READ) ........................................................................................................................... 19 (7) Read Data Bytes at Higher Speed (FAST READ) ..................................................................................... 19 (8) Fast Double Transfer Rate Read (FASTDTRD) .......................................................................................... 19 (9) 2 x I/O Read Mode (2READ) ...................................................................................................................... 19 (10) 2 x I/O Double Transfer Rate Read Mode (2DTRD) ................................................................................. 20 (11) 4 x I/O Read Mode (4READ) ..................................................................................................................... 20 (12) 4 x I/O Double Transfer Rate Read Mode (4DTRD) ................................................................................. 21 (13) Sector Erase (SE) ..................................................................................................................................... 21 (14) Block Erase (BE)....................................................................................................................................... 22 (15) Block Erase (BE32K) ................................................................................................................................ 22 (16) Chip Erase (CE) ........................................................................................................................................ 22 (17) Page Program (PP)................................................................................................................................... 23 (18) 4 x I/O Page Program (4PP) ..................................................................................................................... 23 Program/Erase Flow(1) with read array data ................................................................................................... 24 Program/Erase Flow(2) without read array data .............................................................................................. 25 (19) Continuously program mode (CP mode) .................................................................................................. 26 (20) Deep Power-down (DP) ............................................................................................................................ 27 (21) Release from Deep Power-down (RDP), Read Electronic Signature (RES) ............................................ 27 (22) Read Electronic Manufacturer ID & Device ID (REMS), (REMS2), (REMS4), (REMS4D) ....................... 27 Table 6. ID Definitions ..................................................................................................................................... 28 (23) Enter Secured OTP (ENSO) ..................................................................................................................... 28 (24) Exit Secured OTP (EXSO) ........................................................................................................................ 28 P/N: PM1736 REV. 1.8, DEC. 26, 2011 2