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Winbond Electronics Corporation W25Q32FVTBJQ
- Part No.:
- W25Q32FVTBJQ
- Manufacturer:
- Winbond Electronics Corporation
- Category:
- Memory
- Package:
- 24-TBGA
- Datasheet:
-
W25Q32FVTBJQ.pdf
- Description:
- IC FLASH 32MBIT SPI/QUAD 24TFBGA
- Quantity:
- Payment:
- Shipping:
Inventory:3,801
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Product details
Overview
W25Q32FVTBJQ 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 erase, and integrated security registers. It enables execute-in-place (XIP) code execution in embedded microcontrollers for firmware storage in space-constrained IoT edge nodes.
For engineers reviewing the W25Q32FVTBJQ datasheet, W25Q32FVTBJQ pinout, W25Q32FVTBJQ application, or W25Q32FVTBJQ equivalent, key selection considerations include Quad Enable (QE) bit configuration, /HOLD vs /RESET pin mapping in 8-pin packages, 4KB sector granularity for parameter storage, and JEDEC SFDP register support for auto-configuration.
Technical Context
The W25Q32FVTBJQ implements a flexible SPI command architecture with volatile/non-volatile status register control (BP2–BP0, TB, SEC, QE, SRP0/SRP1), enabling hardware- and software-based write protection down to individual 4KB sectors. Its dual-role IO pins (IO0–IO3) reconfigure based on QE bit state: /WP and /HOLD become IO2/IO3 in Quad mode, disabling dedicated protection functions.
It supports continuous read with wrap (8/16/32/64-byte), erase/program suspend/resume, and true XIP operation via Fast Read Quad I/O (EBh) delivering up to 416MHz equivalent throughput. The device includes three 256-byte one-time-programmable (OTP) security registers and a 64-bit unique ID for secure boot and device authentication.
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 QE bit and instruction set |
| Max Clock Frequency | 104 MHz (SPI); enables 208 MHz dual-I/O and 416 MHz quad-I/O effective data rates |
| Erase Granularity | Uniform 4 KB sectors (1,024 total), plus 32 KB and 64 KB blocks (64 total) |
| Write Endurance | 100,000 program/erase cycles per sector, ensuring long-term reliability in firmware update systems |
| Data Retention | 20 years at +25°C - validated for industrial temperature range (−40°C to +85°C) |
| Power Supply | Single 2.7 V to 3.6 V supply; active current ≤4 mA, power-down current ≤1 µA (typ.) |
| Security Features | Three 256-byte OTP security registers, 64-bit unique ID, SFDP register, and configurable BP/TB/SEC lock bits |
Pinout & Package
W25Q32FVTBJQ uses the 8-pin TFBGA 8x6-mm package (Package Code TB, 5×5 ball array), with ball assignments matching the standard 8-pin SOIC/VSOP/WSON pinout logic but implemented in compact BGA form factor.
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| B2 | CLK | Serial clock input - rising edge latches input data, falling edge samples output data |
| B3 | GND | Ground reference for all I/O and core logic - must be low-impedance for timing stability |
| B4 | VCC | Primary power supply (2.7–3.6 V) - decoupling capacitor required within 10 mm of this ball |
| C2 | /CS | Chip select input - low enables device; high places DO/IO pins in high-impedance state |
| C4 | /WP (IO2) | Hardware write protect input (active-low) - disabled when QE=1; otherwise locks status register writes |
| D2 | DO (IO1) | Data output (standard SPI) or bidirectional I/O (dual/quad) - used for read responses and status polling |
| D3 | DI (IO0) | Data input (standard SPI) or bidirectional I/O (dual/quad) - carries instructions, addresses, and program data |
| D4 | /HOLD or /RESET (IO3) | Hold function (active-low) during active /CS; becomes /RESET only in 16-pin SOIC - not functional as /RESET in TB package |
Key Features
| Feature | Design Value |
|---|---|
| Quad Peripheral Interface (QPI) | Reduces instruction overhead to 2 clocks per command, enabling deterministic XIP execution without address latching delays |
| Erase/Program Suspend & Resume | Allows background firmware updates to pause and resume without losing state - critical for real-time system responsiveness |
| Configurable 4KB Sector Protection | Enables independent locking of bootloader, configuration, and application partitions using BP/TB/SEC bits in Status Register-1 |
| JEDEC SFDP Register | Provides standardized, read-only parameter table for automatic driver initialization - eliminates hard-coded timing constants |
| 64-bit Unique Serial Number | Factory-programmed per-device ID used for secure boot chain binding and anti-cloning in certified IoT deployments |
| OTP Security Registers | Three 256-byte one-time-programmable areas for storing cryptographic keys, certificates, or calibration data with irreversible write lock |
Applications
| Industrial PLC Firmware Storage | Medical Device Bootloader Partitioning |
|---|---|
|
Use Scenario: Storing field-upgradable firmware images and safety-critical bootloader code in DIN-rail mounted programmable logic controllers. IC Role / Device Role / Timing Role: Non-volatile code storage with hardware write protection on bootloader sector and QPI-enabled fast boot latency. Use Value: Prevents unauthorized firmware modification via /WP pin and BP bits while achieving <150 ms cold-boot time using Continuous Read Mode. |
Use Scenario: Securing boot sequence and regulatory-compliant calibration data in FDA-cleared portable diagnostic instruments. IC Role / Device Role / Timing Role: Trusted storage for signed bootloader, encrypted application, and tamper-evident calibration parameters. Use Value: Leverages OTP security registers and 64-bit unique ID to satisfy IEC 62304 traceability and UDI requirements. |
| Automotive ADAS Camera Module | Smart Home Gateway OTA Updates |
|
Use Scenario: Holding image processing firmware and sensor calibration tables in AEC-Q100 qualified rear-view camera modules. IC Role / Device Role / Timing Role: High-reliability code shadowing with 20-year data retention and −40°C to +85°C operation. Use Value: Meets automotive thermal cycling requirements while enabling seamless firmware patching via 4KB sector erase granularity. |
Use Scenario: Managing over-the-air firmware updates and user-configurable settings in Wi-Fi/Zigbee gateway hubs. IC Role / Device Role / Timing Role: Dual-bank partitioning support (via sector lock) allows atomic A/B firmware switching without corruption risk. Use Value: Enables zero-downtime updates by isolating active and staging firmware partitions using TB and SEC bits. |
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, same 8-pin TFBGA package; lacks QPI mode and OTP security registers | Suitable for cost-sensitive consumer devices where XIP performance and cryptographic security are not required | Choose when QPI acceleration and secure key storage are unnecessary; verify /HOLD functionality matches design needs |
| S25FL132K0XMFI010 | 32 M-bit, 85 MHz max clock, supports HyperBus interface; includes 256-byte secure OTP but no SFDP register | Preferred for Cypress/PSoC-based designs requiring HyperFlash compatibility and deterministic burst reads | Choose only if HyperBus controller is present; note lower clock speed limits XIP throughput vs W25Q32FVTBJQ |
Compared with MX25L3233FZNI-10G and S25FL132K0XMFI010, W25Q32FVTBJQ delivers higher effective bandwidth via QPI, broader standardization through SFDP, and finer-grained hardware protection - making it optimal for safety- or security-critical embedded firmware storage.
Availability
W25Q32FVTBJQ is available at Aetrix Electronics and suitable for industrial automation, medical diagnostics, automotive ADAS, and smart home gateway designs requiring stable component supply, long-lifecycle support, and guaranteed traceability.
Supply support for W25Q32FVTBJQ 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 embedded and industrial markets.
The W25Q32FV product line targets high-performance, secure, and space-constrained firmware storage in microcontroller-based systems - emphasizing XIP capability, sector-level protection, and standardized configuration via SFDP.
FAQ
What is the package type and footprint compatibility of W25Q32FVTBJQ?
W25Q32FVTBJQ uses an 8x6-mm TFBGA package with 5×5 ball array (Package Code TB). It shares identical pinout logic with 8-pin SOIC/VSOP/WSON variants - CLK, /CS, DI, DO, /WP, /HOLD, VCC, GND - but requires BGA-specific PCB layout rules including solder mask defined pads and controlled impedance routing for >50 MHz signals. The ball pitch is 0.8 mm.
Does W25Q32FVTBJQ support hardware reset via /RESET pin?
No - W25Q32FVTBJQ does not have a dedicated /RESET pin. In its 8-ball TFBGA (TB) package, pin D4 functions as /HOLD (active-low) only; the /RESET function is unavailable unless using the 16-pin SOIC variant (Package Code SF). Reset must be implemented via software command (66h + 99h) or power-cycle sequencing.
How is Quad SPI mode enabled on W25Q32FVTBJQ?
Quad SPI mode is enabled by setting the Quad Enable (QE) bit in Status Register-2 (SR2) using Write Status Register-2 (31h) instruction. Once QE = 1, pins /WP (C4) and /HOLD (D4) become IO2 and IO3 respectively, enabling four-line data transfer. This change is non-volatile unless cleared, and requires /CS toggling to take effect.
What is the purpose of the SFDP register in W25Q32FVTBJQ?
The SFDP (Serial Flash Discoverable Parameters) register in W25Q32FVTBJQ is a standardized, read-only 256-byte table (accessed via 5Ah instruction) that provides timing parameters, erase block sizes, and feature flags. It allows host drivers to auto-configure without hard-coded values - essential for portable HAL implementations across MCU platforms.
Can W25Q32FVTBJQ store cryptographic keys securely?
Yes - W25Q32FVTBJQ includes three 256-byte Security Registers with One-Time-Programmable (OTP) lock bits (LB1–LB3). Once locked, these registers cannot be rewritten, making them suitable for storing private keys, device certificates, or calibration secrets. Access requires specific unlock sequences (36h/39h) and is protected by status register write enable.
W25Q32FVTBJQ 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)
W25Q32FVTBJQ FAQ
1.How can I place an order for W25Q32FVTBJQ through Aetrix?
Please submit a Request for Quotation (RFQ) for W25Q32FVTBJQ 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 W25Q32FVTBJQ reliable?
The price and inventory of W25Q32FVTBJQ are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for W25Q32FVTBJQ is usually 5 days.
3.What payment methods are accepted for W25Q32FVTBJQ?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for W25Q32FVTBJQ transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for W25Q32FVTBJQ?
W25Q32FVTBJQ orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your W25Q32FVTBJQ 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 W25Q32FVTBJQ?
For technical support, including W25Q32FVTBJQ datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your W25Q32FVTBJQ requirements.
6.How does Aetrix verify that W25Q32FVTBJQ is sourced from the original manufacturer or authorized distributors?
All W25Q32FVTBJQ 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 W25Q32FVTBJQ meets industry standards.
7.What is the process for return or replacement of W25Q32FVTBJQ?
All W25Q32FVTBJQ units undergo pre-shipment inspection (PSI). If there is an issue with W25Q32FVTBJQ, 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 W25Q32FVTBJQ part is unused and in its original packaging.
Return procedure for W25Q32FVTBJQ:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
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