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Winbond Electronics Corporation W25Q32JVSFIQ
- Part No.:
- W25Q32JVSFIQ
- Manufacturer:
- Winbond Electronics Corporation
- Category:
- Memory
- Package:
- 16-SOIC (0.295", 7.50mm Width)
- Datasheet:
-
W25Q32JVSFIQ.pdf
- Description:
- IC FLASH 32MBIT SPI/QUAD 16SOIC
- Quantity:
- Payment:
- Shipping:
Inventory:3,924
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Product details
Overview
W25Q32JVSFIQ from Winbond is a 32 M-bit (4 MB) serial NOR flash memory IC supporting Standard, Dual, and Quad SPI interfaces with 133 MHz clock rate, 2.7–3.6 V supply, and industrial temperature range (–40°C to +85°C). It features uniform 4 KB sectors, 64 KB blocks, 100K program-erase cycles per sector, and 20-year data retention - used for code storage, XIP execution, and firmware updates in microcontroller-based embedded systems.
For engineers reviewing the W25Q32JVSFIQ datasheet, W25Q32JVSFIQ pinout, W25Q32JVSFIQ application, or W25Q32JVSFIQ equivalent, key selection considerations include Quad Enable (QE) bit configuration, /HOLD vs /RESET pin availability in SOIC-8 vs SOIC-16 packages, hardware write protection via /WP, and SFDP register support for auto-configuration.
Technical Context
The W25Q32JVSFIQ implements a flexible SPI command architecture supporting three operational modes: Standard SPI (DI/DO), Dual SPI (IO0/IO1), and Quad SPI (IO0–IO3), with QE bit in Status Register-2 enabling Quad I/O mode. Its internal block diagram includes a 16,384-page array (256 bytes/page), page buffer, security registers, and SFDP register for JEDEC-standard parameter discovery.
It supports full instruction set compatibility including Fast Read Quad I/O (EBh), Sector/Block/Chip Erase, Program Suspend/Resume, and hardware reset on SOIC-16/TFBGA packages. The /HOLD pin functions as IO3 in Quad mode but remains active in Standard/Dual mode; /WP enables hardware status register protection when combined with BP and SRP bits.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| Memory Density | 32 M-bit (4 MB) organized as 16,384 × 256-byte pages |
| Supply Voltage | 2.7 V to 3.6 V - compatible with 3.3 V logic systems without level shifting |
| Max Clock Frequency | 133 MHz - enables 532 MB/s effective throughput in Quad I/O mode |
| Erase Granularity | 4 KB sectors, 32 KB & 64 KB blocks - supports fine-grained firmware partitioning |
| Endurance & Retention | 100,000 program-erase cycles per sector; >20 years data retention at 85°C |
| Operating Temperature | –40°C to +85°C - qualified for industrial-grade applications |
| Interface Support | Standard/Dual/Quad SPI with JEDEC ID (9Fh), SFDP (5Ah), and 64-bit Unique ID (4Bh) |
Pinout & Package
W25Q32JVSFIQ uses an 8-pin SOIC 208-mil (Package Code SS) package with exposed pad not present; pin 1 is /CS, pin 2 is DO (IO1), pin 3 is /WP (IO2), pin 4 is GND, pin 5 is DI (IO0), pin 6 is CLK, pin 7 is /HOLD (IO3), and pin 8 is VCC. The /HOLD pin serves dual function: hold control in Standard/Dual SPI, and IO3 in Quad SPI when QE=1.
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| /CS (Pin 1) | Chip Select Input | Active-low enable: high = device deselected (high-Z outputs, standby current); low = active communication |
| DO / IO1 (Pin 2) | Data Output / Bidirectional I/O | Unidirectional output in Standard SPI; bidirectional data lane 1 in Dual/Quad SPI |
| /WP / IO2 (Pin 3) | Write Protect Input / Bidirectional I/O | Hardware lock for status register when low; becomes IO2 in Quad mode if QE=1 |
| GND (Pin 4) | Ground Reference | Primary return path for VCC and all I/O signals; requires low-impedance PCB connection |
| DI / IO0 (Pin 5) | Data Input / Bidirectional I/O | Unidirectional input in Standard SPI; bidirectional data lane 0 in Dual/Quad SPI |
| CLK (Pin 6) | Serial Clock Input | Edge-triggered timing reference for all SPI operations; supports Mode 0 and Mode 3 |
| /HOLD / IO3 (Pin 7) | Hold Control / Bidirectional I/O | Pauses ongoing read/write when low; becomes IO3 in Quad mode if QE=1 |
| VCC (Pin 8) | Power Supply | 2.7–3.6 V supply; decoupling capacitor (0.1 µF) required near pin for noise immunity |
Key Features
| Feature | Design Value |
|---|---|
| Quad SPI with QE bit | Enables 4-lane I/O operation only after non-volatile setting of Status Register-2 QE bit - prevents accidental mode change |
| Erase/Program Suspend | Allows pausing long erase/program operations to service time-critical reads - critical for real-time firmware updates |
| Security Registers | Three 256-byte OTP-capable registers for secure key storage, independent of main array - protected by LB1–LB3 lock bits |
| Continuous Read Wrap | Supports 8/16/32/64-byte wrap modes - reduces address overhead and enables true XIP execution without prefetch stalls |
| SFDP Register | JEDEC JESD216-compliant 256-byte parameter table - allows host MCU to auto-detect timing, voltage, and command requirements |
Applications
| Industrial PLC Firmware Storage | Automotive Infotainment Boot Memory |
|---|---|
Use Scenario: Storing boot loader and application firmware in programmable logic controllers requiring field-upgradable code with robust data integrity. IC Role / Device Role / Timing Role: Non-volatile code storage with XIP capability and hardware write protection to prevent corruption during brown-out events. Use Value: 4 KB sector granularity enables atomic firmware patching; 100K endurance ensures >10 years of daily OTA updates at industrial duty cycles. | Use Scenario: Hosting boot images and UI assets in automotive head units where fast sequential read speed and AEC-Q100 alignment are mandatory. IC Role / Device Role / Timing Role: High-speed Quad SPI boot memory interfaced directly to ARM Cortex-A application processor for sub-500 ms cold boot. Use Value: 133 MHz Quad I/O delivers 532 MB/s effective bandwidth - outperforms parallel NOR in footprint-constrained dashboards. |
| Medical Device Configuration Storage | IoT Edge Gateway Parameter Memory |
Use Scenario: Retaining calibrated sensor offsets, user preferences, and audit logs in portable diagnostic equipment with strict data retention requirements. IC Role / Device Role / Timing Role: Parameter and calibration data storage with individual sector locking and 20-year retention guarantee at 85°C ambient. Use Value: Hardware /WP + BP bits allow permanent lock of calibration sectors while leaving update partitions writable - meets IEC 62304 traceability needs. | Use Scenario: Storing network credentials, firmware manifests, and OTA metadata in battery-powered smart gateways operating in uncontrolled environments. IC Role / Device Role / Timing Role: Low-power configuration memory with <1 µA deep power-down current and -40°C to +85°C operation. Use Value: Power-down mode extends shelf life and runtime; SFDP register enables automatic timing adaptation across diverse host MCUs. |
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, no hardware /RESET pin, same SOIC-8 package | Lacks /HOLD-to-IO3 remapping and SFDP register; requires manual timing setup | Choose for cost-sensitive designs where Quad SPI is unused and SFDP auto-configuration is unnecessary |
| S25FL132K0XMFI011 | 32 M-bit, 80 MHz max clock, supports HyperBus interface, different pinout (16-pin SOIC) | Requires HyperFlash controller; incompatible pin mapping and command set | Choose only when migrating from Cypress-based platforms with existing HyperBus infrastructure |
Compared with MX25L3233FZNI-10G and S25FL132K0XMFI011, W25Q32JVSFIQ provides higher throughput (133 MHz vs 104/80 MHz), JEDEC SFDP compliance for plug-and-play integration, and flexible /HOLD/IO3 dual-function pin - making it optimal for new designs prioritizing performance, configurability, and SPI ecosystem compatibility.
Availability
W25Q32JVSFIQ is available at Aetrix Electronics and suitable for industrial automation, automotive infotainment, and medical diagnostics requiring stable component supply, long-term lifecycle assurance, and guaranteed traceable sourcing.
Supply support for W25Q32JVSFIQ 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 DRAM, serial flash, and mobile RAM solutions since 1987.
The W25Q series targets high-performance, space-constrained embedded systems needing reliable code storage, XIP execution, and firmware update resilience - designed specifically for industrial, automotive, and networking applications.
FAQ
What is the package type and pin count of W25Q32JVSFIQ?
W25Q32JVSFIQ uses an 8-pin SOIC 208-mil package (Package Code SS). It has eight terminals: /CS, DO (IO1), /WP (IO2), GND, DI (IO0), CLK, /HOLD (IO3), and VCC. This is distinct from SOIC-16 or TFBGA variants that include a dedicated /RESET pin - W25Q32JVSFIQ relies on software reset (66h+99h) only.
Does W25Q32JVSFIQ support Quad SPI mode, and how is it enabled?
Yes, W25Q32JVSFIQ supports Quad SPI mode via instructions like Fast Read Quad I/O (EBh). It is enabled by setting the Quad Enable (QE) bit in Status Register-2 using Write Status Register-2 (31h). Once set, /WP becomes IO2 and /HOLD becomes IO3 - this configuration is non-volatile and persists across power cycles.
What is the maximum clock frequency supported by W25Q32JVSFIQ in Quad SPI mode?
W25Q32JVSFIQ supports up to 133 MHz clock frequency in Quad SPI mode. With four data lanes active, this yields an effective throughput of 532 MB/s (133 MHz × 4), significantly exceeding standard SPI and outperforming many parallel NOR flash alternatives in bandwidth-per-pin efficiency.
How does hardware write protection work on W25Q32JVSFIQ?
Hardware write protection on W25Q32JVSFIQ is implemented via the /WP pin (Pin 3), which must be held low to lock the status register. When combined with Block Protect (BP0–BP2), Top/Bottom (TB), and Status Register Protect (SRP) bits, it enables selective locking of sectors or the entire array - preventing accidental writes during power transients or firmware errors.
Is W25Q32JVSFIQ suitable for execute-in-place (XIP) applications?
Yes, W25Q32JVSFIQ is optimized for XIP use via its Continuous Read mode with 8/16/32/64-byte wrap support and Fast Read Quad I/O (EBh) instruction. Its 133 MHz Quad SPI interface delivers low-latency sequential access, enabling direct code execution from flash without copying to RAM - validated in ARM Cortex-M and RISC-V boot loaders.
W25Q32JVSFIQ Specifications
- Product attributes
- Attribute value
- Manufacturer:
- Winbond Electronics Corporation
- Series:
- SpiFlash®
- Package/Case:
- 16-SOIC (0.295", 7.50mm Width)
- Packaging:
- Tube
- Product Status:
- Active
- 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
- Clock Frequency:
- 133 MHz
- Write Cycle Time - Word, Page:
- 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
W25Q32JVSFIQ FAQ
1.How can I place an order for W25Q32JVSFIQ through Aetrix?
Please submit a Request for Quotation (RFQ) for W25Q32JVSFIQ 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 W25Q32JVSFIQ reliable?
The price and inventory of W25Q32JVSFIQ are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for W25Q32JVSFIQ is usually 5 days.
3.What payment methods are accepted for W25Q32JVSFIQ?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for W25Q32JVSFIQ transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for W25Q32JVSFIQ?
W25Q32JVSFIQ orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your W25Q32JVSFIQ 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 W25Q32JVSFIQ?
For technical support, including W25Q32JVSFIQ datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your W25Q32JVSFIQ requirements.
6.How does Aetrix verify that W25Q32JVSFIQ is sourced from the original manufacturer or authorized distributors?
All W25Q32JVSFIQ 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 W25Q32JVSFIQ meets industry standards.
7.What is the process for return or replacement of W25Q32JVSFIQ?
All W25Q32JVSFIQ units undergo pre-shipment inspection (PSI). If there is an issue with W25Q32JVSFIQ, 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 W25Q32JVSFIQ part is unused and in its original packaging.
Return procedure for W25Q32JVSFIQ:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
W25Q32JVSFIQ Tags
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M24C02-WMN6TP
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