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W25Q257FVEIF-TR Datasheet, PDF (2/104 Pages) Winbond – 3V 256M-BIT SERIAL FLASH MEMORY WITH DUAL/QUAD SPI & QPI
W25Q257FV
Table of Contents
1. GENERAL DESCRIPTIONS............................................................................................................. 5
2. FEATURES....................................................................................................................................... 5
3. PACKAGE TYPES AND PIN CONFIGURATIONS .......................................................................... 6
3.1 Pad Configuration WSON 8x6-mm ...................................................................................... 6
3.2 Pad Description WSON 8x6-mm.......................................................................................... 6
3.3 Pin Configuration SOIC 300-mil ........................................................................................... 7
3.4 Pin Description SOIC 300-mil............................................................................................... 7
4. PIN DESCRIPTIONS ........................................................................................................................ 8
4.1 Chip Select (/CS).................................................................................................................. 8
4.2 Serial Data Input, Output and IOs (DI, DO and IO0, IO1, IO2, IO3) .................................... 8
4.3 Write Protect (/WP)............................................................................................................... 8
4.4 HOLD (/HOLD) ..................................................................................................................... 8
4.5 Serial Clock (CLK) ................................................................................................................ 8
4.6 Reset (/RESET).................................................................................................................... 8
5. BLOCK DIAGRAM ............................................................................................................................ 9
6. FUNCTIONAL DESCRIPTIONS..................................................................................................... 10
6.1 SPI / QPI Operations .......................................................................................................... 10
6.1.1 Standard SPI Instructions.....................................................................................................10
6.1.2 Dual SPI Instructions ............................................................................................................10
6.1.3 Quad SPI Instructions ..........................................................................................................11
6.1.4 QPI Instructions....................................................................................................................11
6.1.5 3-Byte / 4-Byte Address Modes ............................................................................................11
6.1.6 Hold Function .......................................................................................................................12
6.1.7 Software Reset & Hardware /RESET pin .............................................................................12
6.2 Write Protection .................................................................................................................. 13
7. STATUS AND CONFIGURATION REGISTERS............................................................................ 14
7.1 Status Registers ................................................................................................................. 14
7.1.1 Erase/Write In Progress (BUSY) – Status Only....................................................................14
7.1.2 Write Enable Latch (WEL) – Status Only..............................................................................14
7.1.3 Block Protect Bits (BP3, BP2, BP1, BP0) – Volatile/Non-Volatile Writable...........................15
7.1.4 Top/Bottom Block Protect (TB) – Volatile/Non-Volatile Writable...........................................15
7.1.5 Complement Protect (CMP) – Volatile/Non-Volatile Writable ...............................................15
7.1.6 Status Register Protect (SRP1, SRP0) – Volatile/Non-Volatile Writable ..............................15
7.1.7 Erase/Program Suspend Status (SUS) – Status Only ..........................................................16
7.1.8 Security Register Lock Bits (LB3, LB2, LB1) – Volatile/Non-Volatile OTP Writable..............16
7.1.9 Quad Enable (QE) – Volatile/Non-Volatile Writable..............................................................16
7.1.10 Current Address Mode (ADS) – Status Only ......................................................................17
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