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Winbond Electronics Corporation W25Q32FVTCJQ
- Part No.:
- W25Q32FVTCJQ
- Manufacturer:
- Winbond Electronics Corporation
- Category:
- Memory
- Package:
- 24-TBGA
- Datasheet:
-
W25Q32FVTCJQ.pdf
- Description:
- IC FLASH 32MBIT SPI/QUAD 24TFBGA
- Quantity:
- Payment:
- Shipping:
Inventory:2,683
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Product details
Overview
W25Q32FVTCJQ 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, 4KB uniform sector erase, and 100,000 program/erase cycles - deployed for code storage, XIP execution, and firmware updates in microcontroller-based embedded systems.
For engineers reviewing the W25Q32FVTCJQ datasheet, W25Q32FVTCJQ pinout, W25Q32FVTCJQ application, or W25Q32FVTCJQ equivalent, key selection criteria include Quad I/O enable (QE bit), /HOLD vs /RESET pin configuration per package, 4KB sector granularity for parameter storage, and JEDEC SFDP register support for auto-configuration.
Technical Context
The W25Q32FVTCJQ implements a multi-mode serial 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, 1,024 × 4KB sectors, and three 256-byte one-time-programmable security registers.
Operation relies on volatile/non-volatile status register bits (BP0–BP2, TB, SEC, CMP, SRP0/SRP1, QE, DRV0/DRV1, HOLD/RST) to configure protection, drive strength, and functional pin mapping. Erase/program suspend/resume capability 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 pages |
| Interface Modes | Standard SPI, Dual I/O SPI, Quad I/O SPI, and Quad Peripheral Interface (QPI) |
| Max Clock Frequency | 104 MHz (SPI), enabling 416 MB/s effective throughput in Quad I/O mode |
| Erase Granularity | Uniform 4 KB sectors (1,024 total), plus 32 KB and 64 KB block erase options |
| Endurance & Retention | 100,000 program/erase cycles; 20-year data retention at +85°C |
| Supply Voltage | 2.7 V to 3.6 V single supply; 4 mA active current, <1 µA power-down (typ.) |
| Operating Temperature | –40°C to +85°C industrial grade |
| Security Features | 64-bit unique ID, JEDEC SFDP register, three 256-byte OTP security registers |
Pinout & Package
W25Q32FVTCJQ is packaged in an 8-pin TSSOP (Thin Shrink Small Outline Package) with 208-mil body width (Package Code TC), pin-compatible with SOIC-8 and VSOP-8 footprints. 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 or /RESET (IO3); Pin 8 is VCC.
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| /CS (Pin 1) | Chip Select Input | Active-low enable: high = device deselected (high-Z outputs, standby current); low = device selected and responsive to commands |
| DO / IO1 (Pin 2) | Data Output / Bidirectional I/O | Unidirectional output in Standard SPI; bidirectional data lane 1 in Dual/Quad SPI and QPI modes |
| /WP / IO2 (Pin 3) | Write Protect Input / Bidirectional I/O | Hardware write lock for status register when QE=0; becomes IO2 in Quad I/O mode (QE=1) |
| GND (Pin 4) | Ground Reference | Primary return path for VCC and all I/O signals; must be low-impedance connection |
| DI / IO0 (Pin 5) | Data Input / Bidirectional I/O | Unidirectional input in Standard SPI; bidirectional data lane 0 in Dual/Quad SPI and QPI modes |
| CLK (Pin 6) | Serial Clock Input | Synchronizes all SPI/QPI data transfers; rising edge samples inputs, falling edge drives outputs |
| /HOLD or /RESET (Pin 7) | Hold or Reset Input / Bidirectional I/O | Holds ongoing operation when low (QE=0); functions as /RESET only in 16-pin SOIC or when configured via Status Register (QE=0) |
| VCC (Pin 8) | Power Supply | 2.7–3.6 V core and I/O supply; decoupling capacitor required near pin |
Key Features
| Feature | Design Value |
|---|---|
| Quad Peripheral Interface (QPI) | Reduces instruction overhead to 2 clocks per byte, enabling true execute-in-place (XIP) from flash without RAM copy |
| Continuous Read Mode | As few as 8 clocks to initiate read after address latch; supports wrap lengths of 8/16/32/64 bytes for burst efficiency |
| Flexible Memory Protection | Hardware /WP pin + software-configurable BP/TB/SEC/CMP bits allow selective locking of 4KB sectors or top/bottom array halves |
| Erase/Program Suspend | Allows host to pause background erase or program operations to service higher-priority reads or writes |
| JEDEC SFDP & Unique ID | Self-describing flash parameters via SFDP register; 64-bit factory-programmed unique serial number for device authentication |
| OTP Security Registers | Three 256-byte one-time-programmable areas for secure key storage, boot code signatures, or calibration data |
Applications
| IoT Edge Node Firmware Storage | Industrial PLC Boot Code Memory |
|---|---|
Use Scenario: Storing signed firmware images and OTA update payloads in battery-powered wireless sensors with constrained PCB area. IC Role / Device Role / Timing Role: Primary non-volatile code storage with XIP-capable Quad SPI interface for direct MCU execution and fast update verification. Use Value: 4KB sector erase enables atomic firmware partitioning; 100K endurance supports frequent field updates; low 1µA power-down extends battery life. |
Use Scenario: Holding bootloader, configuration tables, and real-time control logic in programmable logic controllers operating in harsh environments. IC Role / Device Role / Timing Role: Reliable boot memory interfaced to ARM Cortex-M7 or RISC-V SoC via QPI for deterministic startup timing. Use Value: Industrial temperature range (–40°C to +85°C) ensures operation in cabinet-mounted PLCs; hardware /WP + status register lock prevents accidental corruption during EMI events. |
| Automotive Infotainment UI Assets | Medical Device Parameter Calibration |
Use Scenario: Caching graphical assets, voice prompts, and localization strings in head-unit displays where rapid UI rendering is critical. IC Role / Device Role / Timing Role: High-bandwidth Quad I/O flash delivering >50 MB/s continuous read for zero-latency asset streaming. Use Value: 104MHz clock + QPI mode eliminates wait states; 20-year data retention guarantees UI consistency over vehicle lifetime. |
Use Scenario: Storing calibrated sensor offsets, patient-specific therapy profiles, and audit logs in portable diagnostic equipment requiring traceability. IC Role / Device Role / Timing Role: Secure parameter store using OTP security registers and individual sector locks for regulatory compliance (IEC 62304). Use Value: Three 256-byte OTP areas protect calibration keys; 4KB sectors allow independent locking of clinical vs. service data partitions. |
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 | 32M-bit, 104MHz, SOIC-8, supports Dual/Quad SPI but no QPI mode; lacks SFDP register and OTP security registers | Suitable for cost-sensitive designs without XIP or advanced security needs; no QPI simplifies controller driver stack | Choose when QPI and SFDP are unnecessary and BOM cost is prioritized over future-proofing |
| S25FL132K0XMFI010 | 32M-bit, 85MHz max clock, supports Octal DTR mode (not supported by W25Q32FVTCJQ); includes hardware reset pin in all packages | Better suited for high-reliability applications requiring guaranteed reset assertion independent of status register settings | Prefer when deterministic hardware reset behavior across all package variants is mandatory |
Compared with MX25L3233FZNI-10G and S25FL132K0XMFI010, the W25Q32FVTCJQ uniquely combines QPI mode for minimal instruction overhead, JEDEC SFDP for plug-and-play configuration, and three OTP security registers - making it optimal for secure, high-performance embedded boot and firmware storage where flexibility and long-term maintainability matter.
Availability
W25Q32FVTCJQ is available at Aetrix Electronics and suitable for IoT edge node firmware storage, industrial PLC boot code memory, automotive infotainment UI assets, medical device parameter calibration, and embedded system configuration storage requiring stable component supply across extended product lifecycles.
Supply support for W25Q32FVTCJQ 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 DRAM, mobile DRAM, and serial flash memory solutions for consumer, industrial, and automotive markets.
The W25Q32FV series belongs to Winbond's SpiFlash family, designed specifically for high-speed, space-constrained embedded systems requiring reliable code storage, execute-in-place capability, and robust security features.
FAQ
What interface modes does the W25Q32FVTCJQ support, and how is Quad SPI enabled?
The W25Q32FVTCJQ supports Standard SPI, Dual SPI, Quad SPI, and Quad Peripheral Interface (QPI) modes. Quad SPI is enabled by setting the Quad Enable (QE) bit in Status Register-2 (SR2) using the Write Status Register-2 (31h) instruction. When QE=1, pins /WP and /HOLD become IO2 and IO3 respectively, allowing full 4-line bidirectional data transfer. The W25Q32FVTCJQ datasheet specifies that QE is non-volatile and persists across power cycles unless explicitly cleared.
Does the W25Q32FVTCJQ have a dedicated hardware reset pin, and how does /HOLD vs /RESET functionality work in the TSSOP-8 package?
The W25Q32FVTCJQ in TSSOP-8 (Package Code TC) does not have a dedicated /RESET pin; Pin 7 serves as /HOLD or /RESET depending on the HOLD/RST bit in Status Register-3 and the QE bit state. When QE=0, this pin functions as /HOLD; when QE=1, it becomes IO3 and /HOLD is disabled. Hardware reset is only available in 16-pin SOIC packages (SF) or via software reset (66h + 99h). The W25Q32FVTCJQ design requires careful status register configuration to use /HOLD correctly in standard SPI applications.
What is the smallest erasable unit in the W25Q32FVTCJQ, and how many such units exist?
The smallest erasable unit in the W25Q32FVTCJQ is a 4KB sector, and there are exactly 1,024 such sectors. Each sector corresponds to 16 consecutive 256-byte pages. This granularity enables fine-grained firmware partitioning - for example, isolating bootloader, application, and configuration sections - without wasting erase cycles on larger blocks. The W25Q32FVTCJQ also supports 32KB and 64KB block erases, and full-chip erase, but 4KB remains the minimum atomic erase operation.
How does the W25Q32FVTCJQ implement hardware write protection, and what role does the /WP pin play?
The W25Q32FVTCJQ implements hardware write protection through the active-low /WP pin, which - when held low - prevents writes to the status register regardless of software commands. This complements software-based protection (BP0–BP2, TB, SEC bits) and ensures critical lock settings survive firmware bugs or malicious overwrite attempts. In the W25Q32FVTCJQ TSSOP-8 package, /WP is Pin 3 and functions only in Standard/Dual SPI modes (QE=0); it becomes IO2 in Quad SPI mode and loses its hardware protection function.
What security features are unique to the W25Q32FVTCJQ compared to basic serial flash devices?
The W25Q32FVTCJQ includes three 256-byte one-time-programmable (OTP) security registers, a 64-bit unique serial number, and JEDEC-standard SFDP register for self-describing parameters - features absent in entry-level serial flash. These enable cryptographic key storage, device authentication, and automated configuration discovery. Unlike generic flash, the W25Q32FVTCJQ allows individual sector locking via 36h/39h instructions and supports complement protection (CMP bit) to invert lock logic - capabilities confirmed in the official Winbond datasheet revision J for W25Q32FVTCJQ.
W25Q32FVTCJQ Specifications
- Product attributes
- Attribute value
- Manufacturer:
- Winbond Electronics Corporation
- Series:
- SpiFlash®
- Package/Case:
- 24-TBGA
- 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 ~ 105°C (TA)
- Grade:
- -
- Qualification:
- -
- Mounting Type:
- Surface Mount
- Supplier Device Package:
- 24-TFBGA (8x6)
W25Q32FVTCJQ FAQ
1.How can I place an order for W25Q32FVTCJQ through Aetrix?
Please submit a Request for Quotation (RFQ) for W25Q32FVTCJQ 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 W25Q32FVTCJQ reliable?
The price and inventory of W25Q32FVTCJQ are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for W25Q32FVTCJQ is usually 5 days.
3.What payment methods are accepted for W25Q32FVTCJQ?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for W25Q32FVTCJQ transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for W25Q32FVTCJQ?
W25Q32FVTCJQ orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your W25Q32FVTCJQ 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 W25Q32FVTCJQ?
For technical support, including W25Q32FVTCJQ datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your W25Q32FVTCJQ requirements.
6.How does Aetrix verify that W25Q32FVTCJQ is sourced from the original manufacturer or authorized distributors?
All W25Q32FVTCJQ 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 W25Q32FVTCJQ meets industry standards.
7.What is the process for return or replacement of W25Q32FVTCJQ?
All W25Q32FVTCJQ units undergo pre-shipment inspection (PSI). If there is an issue with W25Q32FVTCJQ, 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 W25Q32FVTCJQ part is unused and in its original packaging.
Return procedure for W25Q32FVTCJQ:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
W25Q32FVTCJQ Tags
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