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Winbond Electronics Corporation W25Q32FVSFIG

Name: W25Q32FVSFIG
Brand: Winbond Electronics Corporation
SKU: W25Q32FVSFIG
Price: 2.40 USD
Availability: InStock
Rating: 5 (2 reviews)

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Part No.:: W25Q32FVSFIG

Manufacturer:: Winbond Electronics Corporation

Category:: Memory

Package:: 16-SOIC (0.295", 7.50mm Width)

Datasheet:: W25Q32FVSFIG.pdf

Description:: IC FLASH 32MBIT SPI/QUAD 16SOIC

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Product details

Overview

W25Q32FVSFIG from Winbond is a 32M-bit (4MB) serial NOR flash memory IC supporting Standard/Dual/Quad SPI and QPI interfaces, operating from 2.7V to 3.6V with 104MHz max clock rate, 4KB uniform sector architecture, and hardware write protection via /WP and /HOLD pins - used for code storage, XIP execution, and firmware parameter retention in microcontroller-based embedded systems.

For engineers reviewing the W25Q32FVSFIG datasheet, W25Q32FVSFIG pinout, W25Q32FVSFIG application, or W25Q32FVSFIG equivalent, key selection criteria include Quad Enable (QE) bit configuration, /HOLD vs /RESET pin mapping per package, 4KB sector erase granularity, continuous read mode timing overhead, and JEDEC SFDP register compatibility for auto-configuration.

Technical Context

The W25Q32FVSFIG implements a dual-mode I/O architecture: Standard SPI uses unidirectional DI/DO, while Dual/Quad SPI and QPI use bidirectional IO0–IO3 with QE bit control. Its command set includes Fast Read Quad I/O (EBh), Word Read Quad I/O (E7h), and Octal Word Read (E3h), enabling up to 416MHz equivalent throughput. The device supports volatile/non-volatile status register bits including BP0–BP2, TB, SEC, CMP, SRP0/SRP1, and QE.

Memory organization comprises 16,384 pages of 256 bytes each, grouped into 1,024 erasable 4KB sectors and 64 erasable 64KB blocks. Erase/program suspend/resume functionality enables concurrent background operations. Security features include three 256-byte OTP-lockable security registers, 64-bit unique ID, and SFDP register for discoverable parameters.

Key Specifications

Parameter	Value and Actual Design Meaning
Memory Density	32 M-bit (4 MB) - supports full firmware images for mid-tier MCUs without external memory expansion.
Interface Modes	Standard SPI, Dual SPI, Quad SPI, QPI - selectable via instruction set; QE bit in Status Register-2 enables Quad I/O mode.
Max Clock Frequency	104 MHz (SPI), 208 MHz equiv. (Dual I/O), 416 MHz equiv. (Quad I/O) - enables >50 MB/s continuous read for XIP performance.
Erase Granularity	4 KB sector / 32 KB block / 64 KB block / chip erase - allows fine-grained firmware update partitioning and data logging segmentation.
Write Endurance	100,000 program/erase cycles - sufficient for field-upgradable firmware with multi-year service life.
Data Retention	20 years at +25°C - ensures long-term reliability in industrial and automotive control applications.
Supply Voltage	2.7 V to 3.6 V - compatible with 3.3 V logic families and low-power MCU domains without level-shifting.
Power Consumption	4 mA active (typ.), <1 µA power-down (typ.) - suitable for battery-backed or energy-harvesting systems requiring ultra-low standby current.

Pinout & Package

W25Q32FVSFIG is supplied in an 8-pin SOIC 208-mil package (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 or /RESET (IO3), pin 8 = VCC. Pin 7 functions as /HOLD in Standard/Dual SPI mode; when QE=1, it becomes IO3 for Quad SPI operation.

Pin/Terminal	Circuit Role	Design Meaning
/CS (Pin 1)	Chip Select Input	Active-low enable signal; high-impedance DO output and standby current when deasserted.
DO / IO1 (Pin 2)	Data Output / Quad I/O Line 1	Unidirectional output in Standard SPI; bidirectional I/O in Dual/Quad SPI and QPI modes.
/WP / IO2 (Pin 3)	Write Protect Input / Quad I/O Line 2	Hardware lock for status register writes; repurposed as IO2 when QE=1 in Quad mode.
GND (Pin 4)	Ground Reference	Primary return path for VCC and all I/O signals; critical for noise immunity in high-speed SPI timing.
DI / IO0 (Pin 5)	Data Input / Quad I/O Line 0	Unidirectional input in Standard SPI; bidirectional I/O in Dual/Quad SPI and QPI modes.
CLK (Pin 6)	Serial Clock Input	Edge-triggered timing reference for all SPI/QPI transactions; supports up to 104 MHz operation.
/HOLD or /RESET / IO3 (Pin 7)	Hold or Reset Input / Quad I/O Line 3	Pauses ongoing SPI transfer when asserted low; becomes IO3 in Quad mode (QE=1); not available as /RESET in 8-pin packages.
VCC (Pin 8)	Power Supply	Single 2.7–3.6 V supply; powers internal charge pumps for erase/program operations.

Key Features

Feature	Design Value
Continuous Read Mode	As few as 8 clocks to initiate address access - reduces instruction overhead for true execute-in-place (XIP) operation from flash.
Quad Peripheral Interface (QPI)	2-clock instruction cycle reduces command latency vs standard SPI - improves throughput in high-bandwidth boot and streaming applications.
Erase/Program Suspend & Resume	Allows background erase or program to be paused for urgent reads - essential for real-time systems requiring deterministic response.
Individual Block/Sector Lock	Per-sector write protection via 36h/39h instructions - enables secure firmware partitioning without global lock-down.
JEDEC SFDP Register	Standardized, read-only parameter table accessible via 5Ah instruction - enables automatic driver configuration across host platforms.
64-bit Unique Serial Number	Factory-programmed, non-erasable identifier - supports device authentication, traceability, and license binding in production firmware.

Applications

Industrial PLC Firmware Storage	Automotive Infotainment Boot Memory
Use Scenario: Storing bootloader, OS kernel, and application firmware in programmable logic controllers with field-upgrade capability. IC Role / Device Role / Timing Role: Primary non-volatile code storage with XIP support and sector-locked update partitions. Use Value: 4KB sector granularity enables atomic firmware patching; 100K endurance ensures >10 years of field updates under typical maintenance cycles.	Use Scenario: Hosting boot code and UI assets for head-unit systems requiring fast cold-start and secure OTA updates. IC Role / Device Role / Timing Role: High-speed boot memory interfaced via Quad SPI to application processor's memory controller. Use Value: 416MHz equivalent read bandwidth enables sub-500ms boot time; SFDP register simplifies driver porting across SoC platforms.
Medical Device Configuration Data	Smart Meter Firmware & Calibration Tables
Use Scenario: Retaining calibration coefficients, user preferences, and audit logs in portable diagnostic equipment. IC Role / Device Role / Timing Role: Parameter storage with hardware write protection on critical sectors and 20-year data retention. Use Value: /WP pin + BP bits prevent accidental overwrite during power cycling; OTP security registers store cryptographic keys.	Use Scenario: Storing metering firmware, tariff tables, and tamper-event logs in utility-grade electricity meters. IC Role / Device Role / Timing Role: Secure, long-life non-volatile memory with individual sector locking for regulatory compliance data. Use Value: Individual block lock (36h) isolates calibration data from firmware updates; 20-year retention meets ANSI C12.22 requirements.

Industrial PLC Firmware Storage

Automotive Infotainment Boot Memory

Use Scenario: Storing bootloader, OS kernel, and application firmware in programmable logic controllers with field-upgrade capability.

IC Role / Device Role / Timing Role: Primary non-volatile code storage with XIP support and sector-locked update partitions.

Use Value: 4KB sector granularity enables atomic firmware patching; 100K endurance ensures >10 years of field updates under typical maintenance cycles.

Use Scenario: Hosting boot code and UI assets for head-unit systems requiring fast cold-start and secure OTA updates.

IC Role / Device Role / Timing Role: High-speed boot memory interfaced via Quad SPI to application processor's memory controller.

Use Value: 416MHz equivalent read bandwidth enables sub-500ms boot time; SFDP register simplifies driver porting across SoC platforms.

Medical Device Configuration Data

Smart Meter Firmware & Calibration Tables

Use Scenario: Retaining calibration coefficients, user preferences, and audit logs in portable diagnostic equipment.

IC Role / Device Role / Timing Role: Parameter storage with hardware write protection on critical sectors and 20-year data retention.

Use Value: /WP pin + BP bits prevent accidental overwrite during power cycling; OTP security registers store cryptographic keys.

Use Scenario: Storing metering firmware, tariff tables, and tamper-event logs in utility-grade electricity meters.

IC Role / Device Role / Timing Role: Secure, long-life non-volatile memory with individual sector locking for regulatory compliance data.

Use Value: Individual block lock (36h) isolates calibration data from firmware updates; 20-year retention meets ANSI C12.22 requirements.

Equivalent & Alternatives

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

Alternative Part	Technical Difference	Application Difference	Selection Advice
MX25L3233FZNI-10G	32Mb, 104MHz max, SOIC-8, supports DTR mode but lacks QPI; no built-in SFDP register.	Requires custom driver for configuration; suitable where QPI is unused and DTR timing margin is acceptable.	Prefer when legacy SPI-only interface suffices and SFDP auto-discovery is unnecessary.
S25FL132K0XMFI010	32Mb, 80MHz max, SOIC-8, supports HyperBus interface (not SPI/QPI); includes configurable reset pin behavior.	Not SPI-compatible; requires HyperFlash-capable host controller; higher pin count for dual-channel mode.	Select only for new designs targeting Cypress/Infineon HyperBus ecosystem with bandwidth >160MB/s.

Compared with MX25L3233FZNI-10G and S25FL132K0XMFI010, W25Q32FVSFIG offers broader interface flexibility (QPI + SFDP), higher effective throughput, and finer 4KB erase control - making it optimal for cost-sensitive, SPI-based embedded systems requiring future-proof configurability and field upgrade robustness.

Availability

W25Q32FVSFIG is available at Aetrix Electronics and suitable for industrial automation, automotive infotainment, and medical diagnostics requiring stable component supply, long-term lifecycle assurance, and RoHS-compliant packaging.

Supply support for W25Q32FVSFIG 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 manufacturer specializing in specialty memory solutions, including serial flash, RAM, and mobile DRAM, with global distribution and automotive-grade qualification capabilities.

The W25Q series targets embedded systems requiring high-speed, low-power, and secure code/data storage - designed specifically for MCU boot, firmware update, and parameter retention in space-constrained applications.

FAQ

What is the function of the /HOLD pin on W25Q32FVSFIG, and how does it interact with Quad SPI mode?

The /HOLD pin on W25Q32FVSFIG pauses ongoing SPI transfers when asserted low while /CS remains active, allowing other devices to share the bus. In Standard/Dual SPI mode, pin 7 serves as /HOLD; however, when the Quad Enable (QE) bit in Status Register-2 is set to 1, that same pin becomes IO3 for Quad SPI communication and the /HOLD function is disabled. This behavior is documented in Section 4.4 and Figure 1a of the W25Q32FVSFIG datasheet.

Does W25Q32FVSFIG support true execute-in-place (XIP) operation, and what conditions must be met?

Yes, W25Q32FVSFIG supports true XIP via its Continuous Read Mode and Fast Read Quad I/O instructions (e.g., EBh), which reduce instruction overhead to as few as 8 clocks per address access. To enable XIP, the host controller must support Quad SPI or QPI mode, the QE bit must be set, and the memory map must be configured to treat flash addresses as directly executable. The device's 104MHz clock and 416MHz equivalent bandwidth ensure low-latency instruction fetches.

How is write protection implemented on W25Q32FVSFIG, and what are the hardware vs software options?

W25Q32FVSFIG provides layered write protection: hardware-level via the /WP pin (active-low, protects status register writes), and software-level via status register bits (BP0–BP2, TB, SEC, CMP) controlling sector/block lock. The /WP pin is only functional in Standard/Dual SPI mode; it becomes IO2 in Quad mode. Software protection can be configured per sector using instructions 36h/39h, and global protection is enabled via SRP0/SRP1 bits - all verified in Sections 6.2 and 7.1 of the W25Q32FVSFIG datasheet.

What package type does W25Q32FVSFIG use, and how does its pinout differ from other W25Q32FV variants?

W25Q32FVSFIG uses the 8-pin SOIC 208-mil package (Package Code SS), with pinout matching Figure 1a: /CS (1), DO/IO1 (2), /WP/IO2 (3), GND (4), DI/IO0 (5), CLK (6), /HOLD or /RESET/IO3 (7), VCC (8). Unlike the 16-pin SOIC variant (SF), W25Q32FVSFIG does not have a dedicated /RESET pin - reset functionality is only available via software (66h+99h) or by repurposing pin 7 when QE=0, as confirmed in Section 3.1 and Table 3.5.

Can W25Q32FVSFIG be used in automotive applications, and what qualifications does it meet?

W25Q32FVSFIG is rated for –40°C to +85°C operation and meets JEDEC JESD22-A108 reliability standards, including 100,000 program/erase cycles and 20-year data retention. While not AEC-Q100 qualified out-of-box, Winbond offers automotive-grade versions (e.g., W25Q32FVSNIM) with extended temperature range and qualification testing. For non-safety-critical automotive infotainment or body control modules, W25Q32FVSFIG is widely deployed with proper system-level validation per ISO/TS 16949 design controls.

W25Q32FVSFIG Specifications

Product attributes: Attribute value

Manufacturer:: Winbond Electronics Corporation

Series:: SpiFlash®

Package/Case:: 16-SOIC (0.295", 7.50mm Width)

Packaging:: Tube

Product Status:: Obsolete

Programmable:: Not Verified

Memory Type:: Non-Volatile

Memory Format:: FLASH

Technology:: FLASH - NOR

Memory Size:: 32Mbit

Memory Organization:: 4M x 8

Memory Interface:: SPI - Quad I/O, QPI

Clock Frequency:: 104 MHz

Write Cycle Time - Word, Page:: 50µs, 3ms

Access Time:: -

Voltage - Supply:: 2.7V ~ 3.6V

Operating Temperature:: -40°C ~ 85°C (TA)

Grade:: -

Qualification:: -

Mounting Type:: Surface Mount

Supplier Device Package:: 16-SOIC

W25Q32FVSFIG FAQ

1.How can I place an order for W25Q32FVSFIG through Aetrix?

Please submit a Request for Quotation (RFQ) for W25Q32FVSFIG on Aetrix. Our sales agent will provide a competitive quotation and guide you through the order confirmation once you accept the terms.

2.Are the price and stock information for W25Q32FVSFIG reliable?

The price and inventory of W25Q32FVSFIG are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for W25Q32FVSFIG is usually 5 days.

3.What payment methods are accepted for W25Q32FVSFIG?

We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for W25Q32FVSFIG transactions.

Note: Certain payment methods may incur a processing fee.

4.How is shipping managed for W25Q32FVSFIG?

W25Q32FVSFIG orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.

Once your W25Q32FVSFIG order is processed, you will receive an email with the shipment details and tracking number.

Note: Tracking information may take up to 24 hours to appear. Express delivery typically takes 3–5 business days.

5.How can I obtain technical support or documentation for W25Q32FVSFIG?

For technical support, including W25Q32FVSFIG datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your W25Q32FVSFIG requirements.

6.How does Aetrix verify that W25Q32FVSFIG is sourced from the original manufacturer or authorized distributors?

All W25Q32FVSFIG products on Aetrix are procured from qualified distributors and authorized channels. Our dedicated quality assurance team conducts strict verification, including traceability checks and, if necessary, third-party testing. This ensures that W25Q32FVSFIG meets industry standards.

7.What is the process for return or replacement of W25Q32FVSFIG?

All W25Q32FVSFIG units undergo pre-shipment inspection (PSI). If there is an issue with W25Q32FVSFIG, returns or replacements are accepted under the following conditions:

1.Quantity discrepancies, incorrect items, or visible external defects (such as breakage or corrosion), acknowledged by Aetrix.

2.The issue is reported within 90 days of delivery.

3.The W25Q32FVSFIG part is unused and in its original packaging.

Return procedure for W25Q32FVSFIG:

1.Submit a request within 90 days.

2.Obtain a Return Material Authorization (RMA) from Aetrix.

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