W25M02GW Featuring 1.8V 2G-BIT (2 x 1G-BIT) SERIAL SLC NAND FLASH MEMORY WITH DUAL/QUAD SPI BUFFER READ & CONTINUOUS READ CONCURRENT OPERATIONS Publication Release Date: February 13, 2018 Preliminary Revision C W25M02GW Table of Contents 1. GENERAL DESCRIPTIONS ............................................................................................................. 6 2. FEATURES ....................................................................................................................................... 6 3. PACKAGE TYPES AND PIN CONFIGURATIONS .......................................................................... 7 3.1 Pad Configuration WSON 8x6-mm ...................................................................................... 7 3.2 Pad Description WSON 8x6-mm .......................................................................................... 7 3.3 Ball Configuration TFBGA 8x6-mm (5x5 or 6x4 Ball Array) ................................................. 8 3.4 Ball Description TFBGA 8x6-mm ......................................................................................... 8 4. PIN DESCRIPTIONS ........................................................................................................................ 9 4.1 Serial MCP (SpiStack ) Device Configuration ..................................................................... 9 4.2 Chip Select (/CS) .................................................................................................................. 9 4.3 Serial Data Input, Output and IOs (DI, DO and IO0, IO1, IO2, IO3) .................................... 9 4.4 Write Protect (/WP) ............................................................................................................... 9 4.5 HOLD (/HOLD) ................................................................................................................... 10 4.6 Serial Clock (CLK) .............................................................................................................. 10 5. SINGLE DIE (W25N01GW) BLOCK DIAGRAM ............................................................................. 11 6. FUNCTIONAL DESCRIPTIONS ..................................................................................................... 12 6.1 Device Operation Flow ....................................................................................................... 12 6.1.1 Stacked Die Operations ........................................................................................................ 12 6.1.2 Standard SPI Instructions ..................................................................................................... 12 6.1.3 Dual SPI Instructions ............................................................................................................ 13 6.1.4 Quad SPI Instructions ........................................................................................................... 13 6.1.5 Hold Function ........................................................................................................................ 13 6.2 Write Protection .................................................................................................................. 14 7. PROTECTION, CONFIGURATION AND STATUS REGISTERS .................................................. 15 7.1 Protection Register / Status Register-1 (Volatile Writable, OTP lockable) ......................... 15 7.1.1 Block Protect Bits (BP3, BP2, BP1, BP0, TB) Volatile Writable, OTP lockable .................. 15 7.1.2 Write Protection Enable Bit (WP-E) Volatile Writable, OTP lockable ................................. 16 7.1.3 Status Register Protect Bits (SRP1, SRP0) Volatile Writable, OTP lockable ..................... 16 7.2 Configuration Register / Status Register-2 (Volatile Writable) ........................................... 17 7.2.1 One Time Program Lock Bit (OTP-L) OTP lockable .......................................................... 17 7.2.2 Enter OTP Access Mode Bit (OTP-E) Volatile Writable ..................................................... 17 7.2.3 Status Register-1 Lock Bit (SR1-L) OTP lockable ............................................................. 17 7.2.4 ECC Enable Bit (ECC-E) Volatile Writable ......................................................................... 18 7.2.5 Buffer Read / Continuous Read Mode Bit (BUF) Volatile Writable ..................................... 18 7.3 Status Register-3 (Status Only) .......................................................................................... 19 7.3.1 Look-Up Table Full (LUT-F) Status Only ............................................................................ 19 7.3.2 Cumulative ECC Status (ECC-1, ECC-0) Status Only ....................................................... 19 7.3.3 Program/Erase Failure (P-FAIL, E-FAIL) Status Only ........................................................ 20 7.3.4 Write Enable Latch (WEL) Status Only .............................................................................. 20 7.3.5 Erase/Program In Progress (BUSY) Status Only ............................................................... 20 7.3.6 Reserved Bits Non Functional ........................................................................................... 20 7.4 Single Die W25N01GW Status Register Memory Protection ............................................. 21 8. INSTRUCTIONS ............................................................................................................................. 22 - 1 -