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Winbond Electronics Corporation W25Q32FVSFIG TR
- Part No.:
- W25Q32FVSFIG TR
- Manufacturer:
- Winbond Electronics Corporation
- Category:
- Memory
- Package:
- 16-SOIC (0.295", 7.50mm Width)
- Datasheet:
-
W25Q32FVSFIG TR.pdf
- Description:
- IC FLASH 32MBIT SPI/QUAD 16SOIC
- Quantity:
- Payment:
- Shipping:
Inventory:4,331
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Product details
Overview
W25Q32FVSFIG TR 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 and 50MB/s continuous read throughput. It features uniform 4KB sectors (1,024 total), 64KB blocks (64 total), and supports execute-in-place (XIP) for code storage in space-constrained embedded systems.
For engineers reviewing the W25Q32FVSFIG TR datasheet, W25Q32FVSFIG TR pinout, W25Q32FVSFIG TR application, or W25Q32FVSFIG TR equivalent, key selection criteria include Quad Enable (QE) bit configuration, /HOLD vs /RESET pin behavior across package variants, sector-level write protection granularity, and compatibility with continuous read wrap modes for real-time firmware execution.
Technical Context
The W25Q32FVSFIG TR implements a multi-mode SPI interface: Standard SPI uses DI/DO unidirectionally; Dual/Quad SPI repurpose /WP and /HOLD as IO2/IO3 when QE=1; QPI enables 4-bit instruction/data transfer with reduced command overhead. Its internal architecture includes a 256-byte page buffer, SFDP register for discoverable parameters, and three 256-byte security registers with OTP locks.
It supports volatile and non-volatile status register bits including Block Protect (BP2–BP0), Top/Bottom protect (TB), Sector Protect (SEC), Complement Protect (CMP), and Output Driver Strength (DRV1/DRV0). Erase/program suspend/resume functionality enables concurrent background operations without halting host communication.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| Memory Density | 32 M-bit (4 MB) organized as 16,384 × 256-byte programmable pages |
| Interface Modes | Standard SPI (4-wire), Dual SPI (4-wire), Quad SPI (4-wire), QPI (6-wire); QE bit required for Quad I/O |
| Max Clock Frequency | 104 MHz (SPI), enabling 208 MHz dual-I/O and 416 MHz quad-I/O effective throughput |
| Erase Granularity | 4 KB sector (1,024 sectors), 32 KB block (128 blocks), 64 KB block (64 blocks), full chip |
| Write Endurance | 100,000 program/erase cycles per sector, with >20-year data retention at +25°C |
| Power Supply | Single 2.7 V to 3.6 V supply; active current ≤4 mA, power-down current ≤1 µA (typ.) |
| Operating Temperature | –40°C to +85°C industrial grade, validated across full voltage and timing margins |
| Security Features | 64-bit unique ID, JEDEC-compliant SFDP register, three 256-byte OTP-locked security registers |
Pinout & Package
W25Q32FVSFIG TR is supplied in an 8-pin SOIC 208-mil package (package code SS), with pins arranged in standard dual-inline configuration and compatible footprint with VSOP 208-mil.
| Pin | Circuit Role | Design Meaning |
|---|---|---|
| 1 /CS | Chip Select Input | Active-low enable; high-impedance DO output and standby current when high; must transition high→low after power-up before accepting instructions |
| 2 DO (IO1) | Data Output / I/O1 | Unidirectional output in Standard SPI; bidirectional I/O in Dual/Quad SPI; used for status/data reads on CLK falling edge |
| 3 /WP (IO2) | Write Protect Input / I/O2 | Hardware lock for status register writes; disabled as /WP and repurposed as IO2 when QE=1 in Quad mode |
| 4 GND | Ground Reference | Primary return path for all digital and analog circuitry; requires low-impedance connection to system ground plane |
| 5 DI (IO0) | Data Input / I/O0 | Unidirectional input in Standard SPI; bidirectional I/O in Dual/Quad SPI; accepts instructions/addresses/data on CLK rising edge |
| 6 CLK | Serial Clock Input | Master-controlled timing reference; defines setup/hold windows for all SPI transactions; max 104 MHz frequency supported |
| 7 /HOLD (IO3) | Hold Input / I/O3 | Pauses ongoing SPI transaction when asserted low; disabled as /HOLD and repurposed as IO3 when QE=1 in Quad mode |
| 8 VCC | Power Supply | 2.7–3.6 V nominal supply; decoupling capacitor (0.1 µF) required near pin for noise suppression and transient response |
Key Features
| Feature | Design Value |
|---|---|
| Continuous Read Mode | Enables true XIP operation with only 8 clocks of instruction overhead to address memory, reducing latency for sequential code fetch |
| Quad Peripheral Interface (QPI) | Reduces command overhead via 4-bit instruction encoding, allowing faster burst reads and higher effective bandwidth than standard SPI |
| Erase/Program Suspend & Resume | Allows host to pause background erase/program operations and service time-critical interrupts without data corruption |
| Flexible Write Protection | Combines hardware (/WP, /HOLD) and software (BP2–BP0, TB, SEC, CMP) controls to protect sectors as small as 4 KB or entire array |
| Security Register Locking | Three 256-byte security registers support OTP locking for secure boot keys, calibration data, or device-specific credentials |
| JEDEC SFDP Compliance | Provides standardized, discoverable parameter table for automatic driver configuration across host platforms and toolchains |
Applications
| IoT Edge Node Firmware Storage | Industrial HMI Code Execution |
|---|---|
|
Use Scenario: Storing and executing bootloader and application firmware in battery-powered wireless sensor nodes with strict PCB area constraints. IC Role / Device Role / Timing Role: Primary non-volatile code storage with XIP capability, interfacing directly to ARM Cortex-M microcontroller SPI peripheral. Use Value: 4KB sector granularity enables over-the-air (OTA) updates without erasing full image; 1µA power-down current extends battery life between wake cycles. |
Use Scenario: Hosting GUI assets, localized language strings, and real-time control logic in panel-mounted human-machine interface terminals. IC Role / Device Role / Timing Role: High-speed serial flash memory mapped into microprocessor address space via QPI for deterministic UI rendering. Use Value: 50MB/s continuous read throughput ensures zero-latency display refresh; SFDP register simplifies driver porting across multiple HMI platforms. |
| Medical Diagnostic Device Boot Image | Automotive Infotainment System Parameter Storage |
|
Use Scenario: Securely storing certified boot images and calibration tables in portable ultrasound or ECG devices requiring regulatory traceability. IC Role / Device Role / Timing Role: Trusted code origin point with OTP-locked security registers holding cryptographic keys and device identity. Use Value: 64-bit unique ID enables per-unit serialization; >20-year data retention meets FDA long-term archival requirements for medical records. |
Use Scenario: Retaining user preferences, audio equalization profiles, and navigation map metadata across ignition cycles in automotive head units. IC Role / Device Role / Timing Role: Parameter and configuration storage with hardware write protection to prevent accidental corruption during power transients. Use Value: /WP pin-based protection combined with BP bits ensures critical settings survive brown-out events; -40°C to +85°C rating matches under-dash thermal profile. |
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 | 32 M-bit, 104 MHz max clock, same SOIC-8 package but lacks QPI mode and SFDP register; uses legacy status register layout | No QPI support limits bandwidth in high-throughput XIP designs; no SFDP requires hardcoded driver initialization | Select when QPI and auto-discovery are unnecessary and legacy ecosystem compatibility is prioritized |
| S25FL132K0XMFI011 | 32 M-bit, 80 MHz max clock, supports Octal DTR mode (not in W25Q32FV), includes hardware reset pin in all packages | Lower max clock reduces continuous read speed; Octal DTR offers higher bandwidth but requires controller support not needed for W25Q32FVSFIG TR use cases | Select when guaranteed /RESET pin availability across all packages is mandatory and 80 MHz performance suffices |
Compared with MX25L3233FZNI-10G and S25FL132K0XMFI011, the W25Q32FVSFIG TR delivers superior QPI-enabled bandwidth and standardized SFDP configuration while maintaining identical 8-pin SOIC footprint and 4KB sector flexibility-making it optimal for new designs requiring scalable, future-proof flash integration.
Availability
W25Q32FVSFIG TR is available at Aetrix Electronics and suitable for IoT edge node firmware storage, industrial HMI code execution, medical diagnostic device boot image hosting, and automotive infotainment system parameter storage requiring stable component supply across extended product lifecycles.
Supply support for W25Q32FVSFIG TR 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, serving industrial, automotive, and consumer markets since 1987.
The W25Q32FV family was designed for embedded systems requiring high-density, low-power, and interface-flexible non-volatile storage-specifically targeting code shadowing, XIP execution, and secure parameter retention in resource-constrained environments.
FAQ
What interface modes does the W25Q32FVSFIG TR support, and how is Quad SPI enabled?
The W25Q32FVSFIG TR supports Standard SPI, Dual SPI, Quad SPI, and QPI modes. Quad SPI operation requires setting the non-volatile Quad Enable (QE) bit in Status Register-2 (bit 1). When QE=1, the /WP and /HOLD pins become IO2 and IO3 respectively. The W25Q32FVSFIG TR must be configured via Write Status Register-2 (31h) instruction before issuing Quad SPI commands like 6Bh (Fast Read Quad Output).
Does the W25Q32FVSFIG TR have a dedicated /RESET pin, and how does it differ from the /HOLD function?
The W25Q32FVSFIG TR in SOIC-8 package (SS) does not have a dedicated /RESET pin; instead, pin 7 functions as /HOLD or /RESET depending on the HOLD/RST bit (bit 7 of Status Register-3) and QE state. When QE=0, it operates as /HOLD; when QE=1, it becomes IO3 and /RESET is unavailable. Unlike /HOLD-which pauses ongoing SPI transfers-/RESET performs a full device initialization and status register reload.
How is write protection implemented on the W25Q32FVSFIG TR, and what granularity is available?
Write protection on the W25Q32FVSFIG TR combines hardware and software methods. Hardware protection uses the /WP pin (active-low) to lock status register writes. Software protection uses Block Protect (BP2–BP0), Top/Bottom (TB), Sector Protect (SEC), and Complement Protect (CMP) bits in status registers to protect memory regions as small as one 4KB sector or as large as the full 4MB array. Protection is enforced regardless of interface mode.
What is the purpose of the SFDP register in the W25Q32FVSFIG TR, and how is it accessed?
The SFDP (Serial Flash Discoverable Parameters) register in the W25Q32FVSFIG TR provides a standardized, vendor-agnostic way for host controllers to auto-detect memory geometry, timing parameters, and feature support. It is accessed using the Read SFDP Register instruction (5Ah) with a 24-bit address. This eliminates hardcoded driver assumptions and enables plug-and-play compatibility across different flash vendors and densities.
Can the W25Q32FVSFIG TR be used for execute-in-place (XIP) applications, and what features enable this?
Yes, the W25Q32FVSFIG TR is optimized for XIP operation. Key enablers include Continuous Read Mode (with 8/16/32/64-byte wrap), low instruction overhead (as few as 8 clocks to address memory), and high effective throughput (up to 416 MHz equivalent in Quad I/O). These features allow microcontrollers to fetch and execute code directly from flash without copying to RAM, reducing latency and SRAM usage in resource-limited systems.
W25Q32FVSFIG TR Specifications
- Product attributes
- Attribute value
- Manufacturer:
- Winbond Electronics Corporation
- Series:
- SpiFlash®
- Package/Case:
- 16-SOIC (0.295", 7.50mm Width)
- Packaging:
- Tape & Reel (TR)
- Product Status:
- Obsolete
- Programmable:
- 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 TR FAQ
1.How can I place an order for W25Q32FVSFIG TR through Aetrix?
Please submit a Request for Quotation (RFQ) for W25Q32FVSFIG TR 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 TR reliable?
The price and inventory of W25Q32FVSFIG TR are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for W25Q32FVSFIG TR is usually 5 days.
3.What payment methods are accepted for W25Q32FVSFIG TR?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for W25Q32FVSFIG TR transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for W25Q32FVSFIG TR?
W25Q32FVSFIG TR orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your W25Q32FVSFIG TR 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 TR?
For technical support, including W25Q32FVSFIG TR datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your W25Q32FVSFIG TR requirements.
6.How does Aetrix verify that W25Q32FVSFIG TR is sourced from the original manufacturer or authorized distributors?
All W25Q32FVSFIG TR 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 TR meets industry standards.
7.What is the process for return or replacement of W25Q32FVSFIG TR?
All W25Q32FVSFIG TR units undergo pre-shipment inspection (PSI). If there is an issue with W25Q32FVSFIG TR, 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 TR part is unused and in its original packaging.
Return procedure for W25Q32FVSFIG TR:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
W25Q32FVSFIG TR Tags
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