256-Mbit, 3V Quad Peripheral Interface (QPI) Flash Memory

Features Overview

1 Block Diagram

2 Package Types (not to scale)

3 Pin Description

4 Memory Organization

5 Device Description

5.1 Device Operation

5.2 Device Protection

5.3 Hardware Write Protection

5.4 Hold Operation

5.5 Reset Operation

5.6 Error Correction Code (ECC)

5.7 Status Registers

5.8 Extended Address Register

5.9 Security Register

5.10 Instructions

5.11 Reset Enable (RSTEN) and Reset (RST)

5.13 Read with 4-Byte Address

5.14 Enable Quad I/O (EQIO)

5.15 Reset Quad I/O (RSTQIO)

5.16 Enter 4_Byte Address Mode

5.17 Exit 4_Byte Address Mode

5.18 High-Speed Read

5.19 High-Speed Read with 4-Byte Address

5.20 SPI Dual Output Read (SDOR)

5.21 SPI Dual Output Read with 4-Byte Address (SDOR_4Bytes)

5.22 SPI Dual I/O Read (SDIOR)

5.23 SPI Dual I/O Read (SDIOR_4Byte)

5.24 SPI Quad Output Read (SQOR)

5.25 SPI Quad Output Read_4Byte (SQOR_4Byte)

5.26 Fast Quad I/O Read (FQIOR)

5.27 Fast Quad I/O Read_4Byte (FQIOR_4Byte)

5.28 Word Quad I/O Read (WQIOR)

5.29 DTR Fast Read (DTR_FR)

5.30 DTR Fast Dual I/O Read (DTR_FDIOR)

5.31 DTR Fast Quad I/O Read (DTR_FQIOR)

5.32 DTR Fast Quad I/O Read_4Byte (DTR_FQIOR_4BYTE)

5.33 Write Data Learning Pattern

5.34 Set Burst with Wrap in SPI Mode (SB)

5.35 Read Burst with Wrap in SPI Mode

5.36 Set Read Parameters (SRP)

5.37 Read Burst with Wrap in QPI Mode (RBQPI)

5.38 DTR Read Burst with Wrap in QPI Mode (DTR_RBQPI)

5.39 JEDEC-ID Read

5.40 Read Manufacturer/Device ID (RMDID)

5.41 Read Manufacturer/Device ID in SPI Dual I/O (RMDSDIO)

5.42 Read Manufacturer/Device ID in SPI QUAD I/O (RMDQPIO)

5.43 Read Unique ID Number (RUID)

5.44 Serial Flash Discoverable Parameters (SFDP)

5.45 Sector Erase (SE)

5.46 Sector Erase_4Byte (SE)

5.47 Block Erase_32KB (BE_32KB)

5.48 Block Erase_32KB_4Byte (BE_32KB_4Byte)

5.49 Block Erase_64KB (BE_64KB)

5.50 Block Erase_64KB_4Byte (BE_64KB_4Byte)

5.51 Chip Erase (CE)

5.52 Page Program (PP)

5.53 Page Program_4Byte (PP_4Byte)

5.54 Quad Input Page Program

5.55 Quad Input Page Program_4Byte

5.56 Quad Page Program

5.57 Quad Page Program_4Byte

5.58 Write Suspend (SUS) and Write Resume (RES)

5.59 Write Suspend During Sector Erase or Block Erase

5.60 Write Suspend During Page Programming

5.61 Write Resume (RES)

5.62 Read Security Register (RSR)

5.63 Program Security Register (PSR)

5.64 Erase Security Register (ESR)

5.65 Read Status Register 1 (RDSR1), Read Status Register 2 (RDSR2), Read Status Register 3 (RDSR3)

5.66 Read Extended Address Register (REAR)

5.67 Write Status Register 1 (WRSR1), Write Status Register 2 (WRSR2), Write Status Register 3 (WRSR3)

5.68 Write Extended Address Register (WEAR)

5.69 Write Enable (WREN)

5.70 Volatile Status Register Write Enable (VSWREN)

5.71 Write Disable (WRDI)

5.72 Enter Power-Down (PD)

5.73 Release From Power-Down (RPD)

6 Electrical Characteristics

6.1 Absolute Maximum Ratings⁽¹⁾

6.2 Power-Up Specification

6.3 DC Characteristics

6.4 AC Characteristics

7 Packaging Information

8 Revision History

9 Product Identification System

Microchip Information

Microchip Devices Code Protection Feature

DS20007183A

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