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Winbond Electronics Corporation W25Q32FVZPIQ
- Part No.:
- W25Q32FVZPIQ
- Manufacturer:
- Winbond Electronics Corporation
- Category:
- Memory
- Package:
- 8-WDFN Exposed Pad
- Datasheet:
-
W25Q32FVZPIQ.pdf
- Description:
- IC FLASH 32MBIT SPI/QUAD 8WSON
- Quantity:
- Payment:
- Shipping:
Inventory:1,383
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Product details
Overview
W25Q32FVZPIQ from Winbond is a 32M-bit (4MB) serial NOR flash memory IC supporting Standard/Dual/Quad SPI and QPI interfaces, operating at 2.7–3.6V with 104MHz max clock rate and 4KB uniform sector erase. It delivers 50MB/s continuous read throughput and enables execute-in-place (XIP) in embedded microcontrollers for code storage in space-constrained IoT edge nodes and industrial HMIs.
For engineers reviewing the W25Q32FVZPIQ datasheet, W25Q32FVZPIQ pinout, W25Q32FVZPIQ application, or W25Q32FVZPIQ equivalent, key selection criteria include Quad Enable (QE) bit configuration, /HOLD vs /RESET pin mapping in 8-pin packages, 4KB sector granularity for firmware partitioning, and JEDEC SFDP register compatibility for auto-configuration.
Technical Context
The W25Q32FVZPIQ implements a multi-mode SPI controller supporting four distinct protocols: standard 4-wire SPI (DI/DO), dual I/O (IO0/IO1), quad I/O (IO0–IO3), and QPI (all four IOs active with 2-cycle instruction decode). Its internal architecture includes a 256-byte page buffer, 1,024 erasable 4KB sectors, and three 256-byte one-time-programmable (OTP) security registers.
Functional operation depends on volatile/non-volatile status register bits - notably QE (Status Register-2, bit 1) enabling quad mode, HOLD/RST (bit 7) selecting /HOLD or /RESET function on pin 7, and WPS/CMP controlling hardware write protection scope. The /WP and /HOLD pins revert to IO2/IO3 only when QE=1; otherwise they retain dedicated control roles.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| Memory Density | 32 M-bit (4 MB) organized as 16,384 × 256-byte pages |
| Interface Modes | Standard SPI, Dual SPI, Quad SPI, and QPI - selectable via Status Register and instruction set |
| Max Clock Frequency | 104 MHz (SPI); enables 208 MHz dual-I/O and 416 MHz quad-I/O effective bandwidth |
| Erase Granularity | Uniform 4 KB sectors (1,024 total), plus 32 KB and 64 KB blocks - supports fine-grained firmware update partitioning |
| Write Endurance | 100,000 program/erase cycles per sector - validated for field-deployed OTA update workloads |
| Data Retention | 20 years at +85°C - meets industrial temperature lifecycle requirements without refresh |
| Supply Voltage | 2.7 V to 3.6 V - compatible with 3.3 V logic rails and brown-out tolerant power domains |
| Active Current | 4 mA typical at 104 MHz - enables low-power boot-time code fetch in battery-backed systems |
Pinout & Package
W25Q32FVZPIQ uses 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's function is configurable via Status Register bit HOLD/RST (SR2-7); /WP and /HOLD are disabled in Quad SPI mode (QE=1).
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| /CS (Pin 1) | Chip Select input | Active-low enable: high = device deselected, DO tri-stated; required high-to-low transition before instruction acceptance |
| DO (IO1) (Pin 2) | Data Output / I/O1 | Unidirectional output in Standard SPI; bidirectional I/O in Dual/Quad modes - carries read data and status responses |
| /WP (IO2) (Pin 3) | Write Protect input / I/O2 | Hardware lock for Status Register writes; repurposed as IO2 when QE=1 - not available in Quad mode |
| GND (Pin 4) | Ground reference | Primary return path for VCC and all I/O signals; must be low-impedance for timing integrity |
| DI (IO0) (Pin 5) | Data Input / I/O0 | Unidirectional input in Standard SPI; bidirectional I/O in Dual/Quad modes - carries instructions, addresses, and write data |
| CLK (Pin 6) | Serial Clock input | Edge-triggered timing source: rising edge for input, falling edge for output - defines maximum 104 MHz operational limit |
| /HOLD or /RESET (IO3) (Pin 7) | Hold or Reset input / I/O3 | Configurable via SR2-7: /HOLD pauses ongoing transfers; /RESET forces hardware initialization - disabled when QE=1 |
| VCC (Pin 8) | Power supply | 2.7–3.6 V single supply; powers core logic, charge pumps, and I/O buffers - requires local 100 nF decoupling |
Key Features
| Feature | Design Value |
|---|---|
| Continuous Read Mode | As few as 8 clocks overhead to issue 24-bit address - enables deterministic XIP latency for real-time MCU boot |
| Quad Peripheral Interface (QPI) | 2-cycle instruction decode reduces command overhead vs SPI - improves sustained read throughput by ~30% over Fast Read Quad I/O |
| Erase/Program Suspend & Resume | Allows background erase of one sector while servicing read requests from another - critical for concurrent firmware update and runtime execution |
| 64-bit Unique ID | Factory-programmed per-device serial number - used for secure device binding, license enforcement, and anti-cloning in certified products |
| JEDEC SFDP Register | Standardized parameter table accessible via 5Ah instruction - enables automatic driver configuration without hard-coded timing constants |
| Three 256-byte Security Registers | OTP-lockable storage for keys, certificates, or calibration data - protected by LB1–LB3 bits with irreversible programming |
Applications
| Secure Boot Loader Storage | Firmware Over-the-Air (OTA) Partition |
|---|---|
Use Scenario: Storing signed bootloader image in immutable sector with hardware write protection enabled via /WP pin and BP bits. IC Role / Device Role / Timing Role: Primary non-volatile code storage with tamper-resistant access control and verified execution chain anchor. Use Value: Prevents unauthorized bootloader modification; supports cryptographic signature verification during cold start with <100 µs latency penalty. | Use Scenario: Dual-bank firmware layout where Bank A runs active firmware while Bank B receives encrypted OTA updates. IC Role / Device Role / Timing Role: Field-upgradable application storage with atomic sector swap and suspend/resume erase capability. Use Value: Enables zero-downtime firmware updates; 4KB sector granularity allows patch-level delta updates reducing bandwidth by up to 70%. |
| Industrial HMI Configuration Memory | Edge AI Sensor Node Parameter Store |
Use Scenario: Retaining display calibration tables, language packs, and user preferences across power cycles in factory-floor HMIs. IC Role / Device Role / Timing Role: Low-latency, byte-addressable configuration store accessed via Quad SPI during GUI initialization. Use Value: 50 MB/s read speed loads full UI assets in <80 ms; individual sector locking prevents accidental overwrite of safety-critical settings. | Use Scenario: Storing sensor fusion coefficients, model weights, and environmental calibration offsets in battery-powered edge inference nodes. IC Role / Device Role / Timing Role: Persistent parameter storage with OTP-secured AI model signatures and SFDP-driven driver auto-negotiation. Use Value: SFDP register ensures correct timing setup across voltage/temperature; 20-year retention guarantees accuracy over product lifetime without recalibration. |
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, SOIC-8; supports DTR mode but lacks QPI and SFDP register | No auto-configuration capability; requires fixed timing parameters in host driver | Prefer W25Q32FVZPIQ when SFDP-based driver portability or QPI bandwidth is required |
| S25FL132K0XMFI010 | 32 M-bit, 85 MHz, SOIC-8; includes HyperBus interface option but no Quad I/O or /HOLD pin | Limited to standard SPI or HyperBus; no hardware suspend/resume or security registers | Choose W25Q32FVZPIQ for suspend/resume during concurrent access or 64-bit UID-based device identity |
Compared with MX25L3233FZNI-10G and S25FL132K0XMFI010, the W25Q32FVZPIQ provides broader protocol support (QPI/SFDP), stronger security (OTP security registers, UID), and deterministic concurrent operation (erase/program suspend), making it optimal for secure, upgradable embedded systems requiring field longevity and driver portability.
Availability
W25Q32FVZPIQ is available at Aetrix Electronics and suitable for industrial HMIs, secure boot loaders, OTA firmware partitions, and edge AI sensor node parameter storage requiring stable component supply across extended product lifecycles.
Supply support for W25Q32FVZPIQ 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 NOR/NAND flash, RAM, and mobile DRAM.
The W25Q series targets embedded systems requiring high-speed, secure, and flexible serial flash - designed specifically for code shadowing, XIP execution, and firmware storage in resource-constrained microcontroller platforms.
FAQ
What is the package type and pin count of the W25Q32FVZPIQ?
The W25Q32FVZPIQ uses an 8-pin SOIC 208-mil package (package code SS). Its pinout includes /CS, DO (IO1), /WP (IO2), GND, DI (IO0), CLK, /HOLD or /RESET (IO3), and VCC. Pin 7's function is configurable via Status Register bit HOLD/RST (SR2-7), and /WP and /HOLD are repurposed as IO2 and IO3 respectively when Quad Enable (QE) is set in Status Register-2.
Does the W25Q32FVZPIQ support execute-in-place (XIP) operation?
Yes, the W25Q32FVZPIQ supports true XIP operation via Continuous Read Mode, which requires as few as 8 clock cycles to issue a 24-bit address and enables efficient sequential instruction fetch. When paired with a microcontroller supporting Quad SPI or QPI, the W25Q32FVZPIQ delivers up to 50 MB/s sustained read throughput - sufficient for real-time code execution without local RAM buffering.
How does hardware write protection work on the W25Q32FVZPIQ?
Hardware write protection on the W25Q32FVZPIQ combines pin-level and register-level controls: the /WP pin (pin 3) disables Status Register writes when asserted low, while Block Protect (BP2–BP0), Top/Bottom (TB), Sector Protect (SEC), and Complement Protect (CMP) bits define protected memory regions. These protections persist across power cycles when written non-volatily, and the W25Q32FVZPIQ enforces them independently of software state - critical for bootloader integrity.
What is the role of the /HOLD and /RESET pins on the W25Q32FVZPIQ?
On the W25Q32FVZPIQ, pin 7 serves as either /HOLD or /RESET depending on the HOLD/RST bit (SR2-7) in Status Register-2. In /HOLD mode, pulling this pin low pauses ongoing SPI transfers while maintaining internal state; in /RESET mode, it forces hardware initialization. Both functions are disabled when Quad Enable (QE) is set, as pin 7 becomes IO3. The 16-pin SOIC variant provides a dedicated /RESET pin independent of QE.
Can the W25Q32FVZPIQ be used in automotive-grade applications?
The W25Q32FVZPIQ is specified for industrial temperature range (–40°C to +85°C) and meets reliability requirements for many automotive infotainment and body-control modules, but it is not AEC-Q100 qualified. For ASIL-B or higher applications, Winbond offers the automotive-grade W25Q32JW variant. The W25Q32FVZPIQ remains suitable for non-safety-critical automotive subsystems where industrial qualification suffices and cost-sensitive design is prioritized.
W25Q32FVZPIQ Specifications
- Product attributes
- Attribute value
- Manufacturer:
- Winbond Electronics Corporation
- Series:
- SpiFlash®
- Package/Case:
- 8-WDFN Exposed Pad
- 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:
- 8-WSON (6x5)
W25Q32FVZPIQ FAQ
1.How can I place an order for W25Q32FVZPIQ through Aetrix?
Please submit a Request for Quotation (RFQ) for W25Q32FVZPIQ 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 W25Q32FVZPIQ reliable?
The price and inventory of W25Q32FVZPIQ are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for W25Q32FVZPIQ is usually 5 days.
3.What payment methods are accepted for W25Q32FVZPIQ?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for W25Q32FVZPIQ transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for W25Q32FVZPIQ?
W25Q32FVZPIQ orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your W25Q32FVZPIQ 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 W25Q32FVZPIQ?
For technical support, including W25Q32FVZPIQ datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your W25Q32FVZPIQ requirements.
6.How does Aetrix verify that W25Q32FVZPIQ is sourced from the original manufacturer or authorized distributors?
All W25Q32FVZPIQ 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 W25Q32FVZPIQ meets industry standards.
7.What is the process for return or replacement of W25Q32FVZPIQ?
All W25Q32FVZPIQ units undergo pre-shipment inspection (PSI). If there is an issue with W25Q32FVZPIQ, 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 W25Q32FVZPIQ part is unused and in its original packaging.
Return procedure for W25Q32FVZPIQ:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
W25Q32FVZPIQ Tags
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M24C02-WMN6TP
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