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See Technical Specifications

W25Q40BWSNIG +BOM

Reliable, fast and space-efficient, this 4-megabit flash memory chip is a top choice

Manufacturer:

Winbond Electronics
Mfr.Part #:

W25Q40BWSNIG
Datasheet:

W25Q40BWSNIG Datasheet (PDF)
Series:

SpiFlash®
Programmabe:

Not Verified
Memory Type:

Non-Volatile
Memory Format:

FLASH

W25Q40BWSNIG General Description

In addition to its impressive performance capabilities, the W25Q40BWSNIG prioritizes data integrity and security with features such as deep power-down mode and software/hardware write protection. This ensures that the stored data remains safe and accurate at all times. Moreover, its high endurance of 100,000 program/erase cycles per sector translates to long-term reliability, making it a dependable choice for enduring applications

Key Features

Family of SpiFlash Memories
– W25Q40BW: 4M-bit/512K-byte (524,288)
– 256-byte per programmable page
– Standard SPI: CLK, /CS, DI, DO, /WP, /Hold
– Dual SPI: CLK, /CS, IO0, IO1, /WP, /Hold
– Quad SPI: CLK, /CS, IO0, IO1, IO2, IO3
Highest Performance Serial Flash
– 80MHz Dual/Quad SPI clocks
– 160/320MHz equivalent Dual/Quad SPI
– 40MB/S continuous data transfer rate
– Up to 6X that of ordinary Serial Flash
– More than 100,000 erase/program cycles
– More than 20-year data retention
Efficient “Continuous Read Mode”
– Low Instruction overhead
– Continuous Read with 8/16/32/64-Byte Wrap
– As few as 8 clocks to address memory
– Allows true XIP (execute in place) operation
– Outperforms X16 Parallel Flash
Low Power, Wide Temperature Range
– Single 1.65 to 1.95V supply
– 4mA active current, <1µA Power-down current
– -40°C to +85°C operating range
Flexible Architecture with 4KB sectors
– Uniform Sector Erase (4K-bytes)
– Uniform Block Erase (32K and 64K-bytes)
– Program one to 256 bytes
– Erase/Program Suspend & Resume
Advanced Security Features
– Software and Hardware Write-Protect
– Top/Bottom, 4KB complement array protection
– Lock-Down and OTP array protection(1)
– 64-Bit Unique Serial Number for each device
– 4X256-Byte Security Registers with OTP locks
– Volatile & Non-volatile Status Register Bits
Space Efficient Packaging
– 8-pin SOIC 150-mil
– 8-pad WSON 6x5-mm, USON 2x3-mm
– Contact Winbond for KGD and other options

Specifications

Series	SpiFlash®	Programmabe	Not Verified
Memory Type	Non-Volatile	Memory Format	FLASH
Technology	FLASH - NOR	Memory Size	4Mbit
Memory Organization	512K x 8	Memory Interface	SPI - Quad I/O
Clock Frequency	80 MHz	Write Cycle Time - Word, Page	800µs
Voltage - Supply	1.65V ~ 1.95V	Operating Temperature	-40°C ~ 85°C (TA)
Mounting Type	Surface Mount	Base Product Number	W25Q40