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Winbond Electronics Corporation W25Q32FVDAIQ TR
- Part No.:
- W25Q32FVDAIQ TR
- Manufacturer:
- Winbond Electronics Corporation
- Category:
- Memory
- Package:
- 8-DIP (0.300", 7.62mm)
- Datasheet:
-
W25Q32FVDAIQ TR.pdf
- Description:
- IC FLASH 32MBIT SPI/QUAD 8DIP
- Quantity:
- Payment:
- Shipping:
Inventory:4,623
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Product details
Overview
W25Q32FVDAIQ 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 frequency, 4KB uniform sector architecture, and hardware write protection via /WP and /HOLD pins - used for code storage, XIP execution, and firmware parameter retention in microcontroller-based embedded systems.
For engineers reviewing the W25Q32FVDAIQ TR datasheet, W25Q32FVDAIQ TR pinout, W25Q32FVDAIQ TR application, or W25Q32FVDAIQ TR equivalent, key selection criteria include Quad Enable (QE) bit configuration, /RESET pin availability per package variant, 4KB sector erase granularity, JEDEC ID and SFDP register support, and compatibility with continuous read mode for execute-in-place (XIP) operation.
Technical Context
The W25Q32FVDAIQ TR implements a flexible SPI-compatible command set with volatile/non-volatile status register control (BP2–BP0, TB, SEC, QE, SRP0/SRP1), enabling fine-grained 4KB sector protection and quad I/O mode activation. Its block diagram integrates page buffer, column/row decode, high-voltage generators, and three 256-byte security registers with OTP locks.
It supports dual and quad I/O modes only when the non-volatile Quad Enable (QE) bit in Status Register-2 is set; in that state, /WP and /HOLD pins become IO2 and IO3 respectively. The 16-pin SOIC variant provides a dedicated /RESET pin independent of QE and HOLD/RST register bits, unlike 8-pin packages where /HOLD or /RESET is multiplexed on IO3.
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 (4-wire), Dual SPI (2 I/O), Quad SPI (4 I/O), QPI (4 I/O + 2-cycle instruction) |
| Max Clock Frequency | 104 MHz (SPI), enabling 208 MB/s dual-I/O and 416 MB/s quad-I/O effective throughput |
| Erase Granularity | Uniform 4 KB sectors (1,024 total), 32 KB blocks (512), 64 KB blocks (64), and full chip erase |
| Write/Erase Endurance | ≥100,000 program/erase cycles per sector |
| Data Retention | ≥20 years at +25°C, verified per JEDEC JESD22-A117 |
| Operating Voltage | 2.7 V to 3.6 V single supply; no VIO rail required |
| Temperature Range | –40°C to +85°C industrial grade operation |
Pinout & Package
W25Q32FVDAIQ TR is supplied in 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 supports either hold or hardware reset depending on Status Register configuration and QE bit state.
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| /CS (Pin 1) | Chip Select Input | Active-low enable; places DO/IOx in high-impedance when deasserted; required low-to-high transition before new instruction acceptance |
| DO / IO1 (Pin 2) | Data Output / Quad I/O Line 1 | Unidirectional output in standard SPI; bidirectional I/O in dual/quad modes; carries read data and status during active /CS |
| /WP / IO2 (Pin 3) | Write Protect Input / Quad I/O Line 2 | Hardware lock for status register writes when QE=0; becomes IO2 in quad mode (QE=1); active-low function |
| GND (Pin 4) | Ground Reference | Primary return path for VCC and all I/O signals; must be low-impedance connection in layout |
| DI / IO0 (Pin 5) | Data Input / Quad I/O Line 0 | Unidirectional input in standard SPI; bidirectional I/O in dual/quad modes; carries instructions, addresses, and write data |
| CLK (Pin 6) | Serial Clock Input | Master-generated timing signal; rising edge latches input, falling edge samples output; supports up to 104 MHz |
| /HOLD or /RESET (Pin 7) | Hold or Reset Input / Quad I/O Line 3 | Pauses ongoing SPI transfer when low (hold); resets internal logic when pulsed (reset); becomes IO3 in quad mode (QE=1) |
| VCC (Pin 8) | Power Supply | 2.7–3.6 V core supply; decoupling capacitor (0.1 µF) required within 10 mm of pin |
Key Features
| Feature | Design Value |
|---|---|
| Continuous Read Mode | Enables true XIP execution with ≤8-clock instruction overhead per 24-bit address access |
| Quad Peripheral Interface (QPI) | Reduces instruction overhead via 2-clock-cycle opcodes, improving throughput over standard SPI by >2× |
| Individual Sector Lock | Allows per-sector (4KB) write-protection using Security Registers and LOCK/UNLOCK instructions (36h/39h) |
| JEDEC SFDP Register | Provides standardized, discoverable parameter table (5Ah) for automatic driver configuration without hard-coded timing |
| 64-bit Unique ID | Factory-programmed serial number (4Bh) enables device authentication and secure firmware binding |
| Volatile/Non-volatile Status Bits | Configurable BP, TB, SEC, QE, SRP bits allow persistent or runtime-only protection and interface mode selection |
Applications
| Industrial PLC Firmware Storage | Automotive Infotainment Boot Code |
|---|---|
|
Use Scenario: Storing boot firmware and configuration parameters in programmable logic controllers with field-upgrade capability and EMI-resilient layout. IC Role / Device Role / Timing Role: Non-volatile code storage and XIP execution source; interfaces via Quad SPI to reduce bus loading and improve boot speed. Use Value: 4KB sector erase enables incremental firmware updates without full reflash; 20-year data retention ensures long-term reliability in unattended deployments. |
Use Scenario: Holding boot loader, OS kernel, and UI assets in head-unit systems requiring AEC-Q100-compliant components and fast cold-boot response. IC Role / Device Role / Timing Role: Primary boot memory mapped via QPI to MCU's external memory interface; supports continuous read for zero-latency instruction fetch. Use Value: 104MHz QPI clock yields 416MB/s effective bandwidth - sufficient for real-time audio/video streaming from flash without DRAM buffering. |
| Medical Device Calibration Data | IoT Edge Node Secure Configuration |
|
Use Scenario: Retaining factory-calibrated sensor offsets and safety-critical operational limits in portable diagnostic equipment with battery-backed operation. IC Role / Device Role / Timing Role: Parameter storage with hardware write protection (/WP pin + BP bits) preventing accidental overwrite during power transitions. Use Value: Top/bottom array protection (TB bit) isolates calibration sectors from application code regions; OTP-locked security registers prevent tampering with medical certification data. |
Use Scenario: Storing encrypted OTA update keys, device identity certificates, and secure boot manifests in battery-powered wireless sensors. IC Role / Device Role / Timing Role: Trusted storage backend for secure boot chain; leverages 64-bit unique ID and three 256-byte OTP-lockable security registers. Use Value: Individual sector lock (36h) and global lock (7Eh) provide hierarchical access control; SFDP register enables runtime validation of flash timing parameters across temperature/voltage corners. |
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 | 32Mb density, 104MHz max clock, SOIC-8 package, but lacks QPI mode and SFDP register | Supports only Standard/Dual/Quad SPI; no 2-cycle QPI opcodes or auto-discoverable timing | Choose when QPI simplification or SFDP-driven driver portability is not required |
| S25FL132K0XMFI010 | 32Mb density, 85MHz max clock, SOIC-8, includes SFDP and QPI, but requires VIO=1.8V for I/O | Needs separate 1.8V I/O supply; incompatible with pure 3.3V systems without level shifting | Prefer only in mixed-voltage designs where 1.8V I/O rail is already present |
Compared with W25Q32FVDAIQ TR, MX25L3233FZNI-10G offers identical pinout and voltage but omits QPI and SFDP - limiting advanced boot flexibility; S25FL132K0XMFI010 adds QPI and SFDP but introduces a 1.8V I/O constraint, increasing BOM complexity and layout risk in 3.3V-only systems.
Availability
W25Q32FVDAIQ TR is available at Aetrix Electronics and suitable for industrial PLC firmware storage, automotive infotainment boot code, and medical device calibration data applications requiring stable component supply, long-lifecycle support, and traceable sourcing.
Supply support for W25Q32FVDAIQ 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 company specializing in specialty memory solutions, including serial NOR/NAND flash, RAM, and mobile DRAM, serving industrial, automotive, and consumer markets since 1987.
The W25Q32FV series belongs to Winbond's SpiFlash family, designed specifically for embedded systems requiring high-speed, low-pin-count, code-execution-capable non-volatile memory with robust security and long-term data integrity.
FAQ
What package type is used for W25Q32FVDAIQ TR?
W25Q32FVDAIQ TR uses an 8-pin SOIC 208-mil package (Package Code SS), with standard pinout: /CS (1), DO/IO1 (2), /WP/IO2 (3), GND (4), DI/IO0 (5), CLK (6), /HOLD or /RESET/IO3 (7), VCC (8). This matches JEDEC MS-012AC and is compatible with automated pick-and-place and reflow processes.
Does W25Q32FVDAIQ TR support execute-in-place (XIP) operation?
Yes, W25Q32FVDAIQ TR supports true XIP via Continuous Read Mode, which reduces instruction overhead to as few as 8 clocks per 24-bit address access. When configured for Quad SPI or QPI, it delivers sufficient bandwidth (up to 416 MB/s) to sustain real-time instruction fetch without local RAM caching.
How is quad I/O mode enabled on W25Q32FVDAIQ TR?
Quad I/O mode on W25Q32FVDAIQ TR is enabled by setting the non-volatile Quad Enable (QE) bit in Status Register-2 using instruction 31h. Once QE=1, pins /WP and /HOLD become IO2 and IO3 respectively, allowing full 4-line bidirectional communication - confirmed in the datasheet Section 7.1.10.
What is the function of pin 7 (/HOLD or /RESET) on W25Q32FVDAIQ TR?
Pin 7 on W25Q32FVDAIQ TR serves dual functions: as /HOLD to pause ongoing SPI transfers when low (with /CS asserted), or as /RESET to initialize internal logic when pulsed - selected via the HOLD/RST bit (bit 7 of Status Register-3). In Quad SPI mode (QE=1), this pin becomes IO3 and loses both functions.
Is W25Q32FVDAIQ TR compatible with JEDEC-standard SFDP?
Yes, W25Q32FVDAIQ TR implements the JEDEC JESD216 SFDP standard via its Read SFDP Register instruction (5Ah), providing a standardized, versioned parameter table that enables automatic driver configuration for timing, erase, and programming characteristics - eliminating hardcoded values in firmware.
W25Q32FVDAIQ TR Specifications
- Product attributes
- Attribute value
- Manufacturer:
- Winbond Electronics Corporation
- Series:
- SpiFlash®
- Package/Case:
- 8-DIP (0.300", 7.62mm)
- Packaging:
- Tape & Reel (TR)
- 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:
- Through Hole
- Supplier Device Package:
- 8-PDIP
W25Q32FVDAIQ TR FAQ
1.How can I place an order for W25Q32FVDAIQ TR through Aetrix?
Please submit a Request for Quotation (RFQ) for W25Q32FVDAIQ 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 W25Q32FVDAIQ TR reliable?
The price and inventory of W25Q32FVDAIQ TR are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for W25Q32FVDAIQ TR is usually 5 days.
3.What payment methods are accepted for W25Q32FVDAIQ TR?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for W25Q32FVDAIQ TR transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for W25Q32FVDAIQ TR?
W25Q32FVDAIQ TR orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your W25Q32FVDAIQ 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 W25Q32FVDAIQ TR?
For technical support, including W25Q32FVDAIQ TR datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your W25Q32FVDAIQ TR requirements.
6.How does Aetrix verify that W25Q32FVDAIQ TR is sourced from the original manufacturer or authorized distributors?
All W25Q32FVDAIQ 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 W25Q32FVDAIQ TR meets industry standards.
7.What is the process for return or replacement of W25Q32FVDAIQ TR?
All W25Q32FVDAIQ TR units undergo pre-shipment inspection (PSI). If there is an issue with W25Q32FVDAIQ 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 W25Q32FVDAIQ TR part is unused and in its original packaging.
Return procedure for W25Q32FVDAIQ TR:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
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