Winbond Electronics Corporation W25Q80BWSVIG

Overview

W25Q80BWSVIG from Winbond is an 8 M-bit (1 MB) serial NOR flash memory IC supporting standard, dual, and quad SPI interfaces with 1.65–1.95 V supply, 80 MHz max clock, and 4 KB uniform sector erase architecture. It enables execute-in-place (XIP) code execution, firmware storage, and parameter retention in space-constrained embedded systems including microcontroller boot loaders and IoT edge nodes.

For engineers reviewing the W25Q80BWSVIG datasheet, W25Q80BWSVIG pinout, W25Q80BWSVIG application, or W25Q80BWSVIG equivalent, key selection criteria include its 1.8 V operation, Quad SPI I/O capability (requiring QE bit set), hardware write protection via /WP and /HOLD pins, and support for continuous read mode with ≤8-clock address overhead.

Technical Context

The W25Q80BWSVIG implements a SPI command-set compatible with Mode 0 and Mode 3 clock polarity, supports dual/quad output and I/O protocols, and requires non-volatile Quad Enable (QE) bit setting in Status Register-2 to activate IO2 (/WP) and IO3 (/HOLD) for quad operations. Its internal architecture includes a 256-byte page buffer, 4 KB sector granularity, and dedicated security registers with OTP locks.

It features volatile and non-volatile status register bits for block/sector protection (BP2–BP0, TB, SEC, CMP), erase/program suspend/resume, and 64-bit unique serial number. Power-down current is <1 µA, active current is 4 mA, and data retention exceeds 20 years at -40°C to +85°C.

Key Specifications

Pinout & Package

W25Q80BWSVIG is packaged in an 8-pin SOIC 208-mil (package code SS), with pin 1 = /CS, pin 2 = DO (IO1), pin 3 = /WP (IO2), pin 4 = GND, pin 5 = DI (IO0), pin 6 = CLK, pin 7 = /HOLD (IO3), pin 8 = VCC. Pin functions are shared across SPI modes: IO0–IO1 used in Standard/Dual SPI; IO0–IO3 activated in Quad SPI when QE=1.

Key Features

Applications

Equivalent & Alternatives

The following parts are listed as comparable options for similar serial NOR flash memory applications.

Compared with MX25L8006EM1I-12G and S25FL008KAGMFI010, W25Q80BWSVIG uniquely delivers Quad SPI I/O, 1.8 V operation, and /HOLD-as-IO3 functionality in an industry-standard 8-pin SOIC, making it optimal for cost-sensitive, low-voltage embedded designs requiring flexible erase and secure boot capabilities.

Availability

W25Q80BWSVIG is available at Aetrix Electronics and suitable for firmware boot storage, IoT device configuration, industrial HMI display caching, and automotive infotainment UI assets requiring stable component supply, long-lifecycle support, and guaranteed traceability.

Supply support for W25Q80BWSVIG includes scheduled delivery planning, volume procurement assistance, BOM continuity management, traceable sourcing, and lifecycle availability coordination for OEM customers, industrial embedded developers, connected-device designers, and electronics production programs.

Manufacturer

Winbond Electronics is a Taiwan-based semiconductor company specializing in specialty memory solutions, including serial NOR/NAND flash, RAM, and mobile DRAM, serving industrial, communications, and consumer markets.

The W25Q series targets embedded systems requiring high-speed, low-voltage, and secure serial flash for code execution, firmware updates, and parameter storage - optimized for MCU co-location and space-constrained PCBs.

FAQ

What is the operating voltage range for W25Q80BWSVIG?

W25Q80BWSVIG operates from 1.65 V to 1.95 V. This 1.8 V nominal supply enables compatibility with modern ultra-low-power microcontrollers and reduces system-level power conversion complexity. Operation outside this range may cause undefined behavior or permanent damage. The device includes internal voltage monitoring to inhibit writes during brown-out conditions, ensuring data integrity during power transitions.

Does W25Q80BWSVIG support Quad SPI I/O mode, and what is required to enable it?

Yes, W25Q80BWSVIG supports Quad SPI I/O mode using instructions like Fast Read Quad I/O (EBh). To enable it, the non-volatile Quad Enable (QE) bit in Status Register-2 must be set to '1'. Once enabled, pins /WP (IO2) and /HOLD (IO3) become functional bidirectional data lines, expanding the interface to four I/O lanes for 320 MB/s effective throughput.

How many erase sectors does W25Q80BWSVIG have, and what is their size?

W25Q80BWSVIG contains 256 uniform 4 KB sectors, totaling 1 MB of addressable memory. Each sector can be erased independently, enabling granular firmware updates and parameter management without disturbing adjacent data. Sector erase time is typically 150 ms, and the device also supports faster 32 KB and 64 KB block erases for bulk operations.

Can W25Q80BWSVIG be used for execute-in-place (XIP) applications?

Yes, W25Q80BWSVIG supports true XIP via Continuous Read Mode, which minimizes instruction overhead to as few as 8 clocks per 24-bit address. Combined with Fast Read Quad I/O (EBh), it delivers deterministic low-latency access ideal for running code directly from flash on Cortex-M and RISC-V MCUs - eliminating need for large external RAM buffers during boot or runtime.

What security features does W25Q80BWSVIG provide for firmware protection?

W25Q80BWSVIG provides multiple security layers: hardware write protection via /WP pin, software-controlled block/sector protection (BP/TB/SEC bits), Status Register Protect (SRP) bits, 64-bit unique serial number, and four 256-byte security registers with OTP lock capability. These features collectively prevent unauthorized firmware modification, cloning, or reverse engineering in production devices.