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Winbond Electronics Corporation W25Q32FVSSIF TR
- Part No.:
- W25Q32FVSSIF TR
- Manufacturer:
- Winbond Electronics Corporation
- Category:
- Memory
- Package:
- 8-SOIC (0.209", 5.30mm Width)
- Datasheet:
-
W25Q32FVSSIF TR.pdf
- Description:
- IC FLASH 32MBIT SPI/QUAD 8SOIC
- Quantity:
- Payment:
- Shipping:
Inventory:4,816
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Product details
Overview
W25Q32FVSSIF TR from Winbond is a 32M-bit (4MB) serial NOR flash memory IC designed for code storage and data logging in space-constrained embedded systems. It supports Standard/Dual/Quad SPI and QPI interfaces, operates on 2.7–3.6V, delivers up to 104MHz clock rate (416MB/s equivalent Quad I/O), and features uniform 4KB sectors, 100,000+ program/erase cycles, and 20-year data retention.
For engineers reviewing the W25Q32FVSSIF TR datasheet, W25Q32FVSSIF TR pinout, W25Q32FVSSIF TR application, or W25Q32FVSSIF TR equivalent, key selection criteria include Quad SPI XIP capability, hardware write protection via /WP and /HOLD pins, JEDEC SFDP compliance, 8-pin SOIC 208-mil (SS) package compatibility, and security register support for firmware integrity.
Technical Context
The W25Q32FVSSIF TR implements a flexible SPI-compatible command architecture with dual-mode pin functionality: /WP and /HOLD serve as IO2 and IO3 respectively when Quad Enable (QE) bit is set in Status Register-2, enabling full 4-line bidirectional data transfer. Its block diagram integrates a 256-byte page buffer, column/row decode logic, high-voltage generators, and three 256-byte one-time-programmable (OTP) security registers.
It supports multiple erase granularities-4KB sector, 32KB block, 64KB block, and full chip-with suspend/resume capability for concurrent background operations. The device uses JEDEC-standard Manufacturer ID (EFh) and Device ID (4016h), supports 64-bit unique serial number read (4Bh), and exposes configurable output driver strength (DRV1/DRV0) and HOLD/RESET function selection (HOLD/RST bit).
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-wire with 2-cycle instruction) |
| Max Clock Frequency | 104 MHz (SPI); enables 416 MB/s effective throughput in Quad I/O Fast Read mode |
| Erase Granularity | 4 KB sector, 32 KB block, 64 KB block, or full chip - supports fine-grained firmware partitioning |
| Endurance & Retention | ≥100,000 program/erase cycles; ≥20 years data retention at +85°C |
| Supply Voltage | 2.7 V to 3.6 V - compatible with 3.3 V logic domains without level shifting |
| Operating Temperature | −40°C to +85°C - qualified for industrial-grade embedded deployment |
| Security Features | Three 256-byte OTP security registers, 64-bit unique ID, SFDP v1.6 register, and programmable BP/TB/SEC/CMP lock bits |
Pinout & Package
W25Q32FVSSIF TR is packaged in an 8-pin SOIC 208-mil (Package Code SS), with gull-wing leads, 1.27 mm pitch, and RoHS-compliant matte tin finish. Pin 1 is marked with a beveled corner or dot.
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| 1 /CS | Chip Select Input | Active-low enable; places DO in high-impedance state when deasserted; required low-to-high transition before new instruction acceptance |
| 2 DO (IO1) | Data Output / Bidirectional I/O Line 1 | Unidirectional output in Standard SPI; bidirectional in Dual/Quad SPI/QPI; driven on CLK falling edge |
| 3 /WP (IO2) | Write Protect Input / Bidirectional I/O Line 2 | Hardware lock for status register writes when QE=0; repurposed as IO2 in Quad mode (QE=1) |
| 4 GND | Ground Reference | Primary return path for VCC and all I/O signals; must be low-impedance connection to system ground plane |
| 5 DI (IO0) | Data Input / Bidirectional I/O Line 0 | Unidirectional input in Standard SPI; bidirectional in Dual/Quad SPI/QPI; sampled on CLK rising edge |
| 6 CLK | Serial Clock Input | Master-generated timing reference; controls all data sampling and latching; max 104 MHz frequency rating |
| 7 /HOLD (IO3) | Hold Input / Bidirectional I/O Line 3 | Pauses ongoing read/write while /CS active; repurposed as IO3 in Quad mode (QE=1); active-low |
| 8 VCC | Power Supply | Single 2.7–3.6 V supply; powers core logic, charge pumps, and I/O buffers; requires local 0.1 µF ceramic decoupling |
Key Features
| Feature | Design Value |
|---|---|
| Quad Peripheral Interface (QPI) | Reduces instruction overhead to 2 clocks per command, enabling true execute-in-place (XIP) from flash without RAM shadowing |
| Continuous Read Mode | Supports wrap lengths of 8/16/32/64 bytes with only 8-clock address setup, minimizing bus latency during sequential access |
| Erase/Program Suspend & Resume | Allows interruption of long erase or program operations to service higher-priority reads, improving real-time system responsiveness |
| Flexible Hardware Write Protection | /WP pin + non-volatile BP/TB/SEC/CMP bits enable selective locking of top/bottom 4KB sectors or entire array without software intervention |
| JEDEC SFDP v1.6 Compliance | Enables automatic configuration by host bootloader via standardized parameter table, eliminating hard-coded timing assumptions |
| OTP Security Registers | Three 256-byte one-time-programmable areas for storing cryptographic keys, calibration data, or secure boot manifests with irreversible write lock |
Applications
| IoT Edge Node Firmware Storage | Industrial HMI Code Execution |
|---|---|
|
Use Scenario: Storing boot firmware, OTA update images, and configuration parameters in battery-powered wireless sensor nodes. IC Role / Device Role / Timing Role: Primary non-volatile code and data storage device interfaced directly to ARM Cortex-M microcontroller via Quad SPI. Use Value: 4KB sector granularity enables atomic firmware updates; <1 µA power-down current extends battery life; SFDP auto-configuration simplifies bootloader porting. |
Use Scenario: Hosting GUI assets, application logic, and localized language strings for touch-based HMIs in factory automation panels. IC Role / Device Role / Timing Role: Execute-in-place (XIP) memory mapped to MCU's external bus interface using QPI mode for deterministic latency. Use Value: 104 MHz QPI clock supports >400 MB/s burst reads, eliminating frame buffer bottlenecks; OTP registers store display calibration coefficients securely. |
| Medical Diagnostic Device Boot Image | Automotive Infotainment System Log Buffer |
|
Use Scenario: Storing certified boot loader and safety-critical application binaries in Class II medical imaging equipment. IC Role / Device Role / Timing Role: Secure, tamper-resistant storage with hardware write protection and unique ID for firmware version traceability. Use Value: 64-bit unique serial number enables per-unit audit trail; BP/TB bits prevent accidental overwrite of validated boot image; 20-year retention meets regulatory shelf-life requirements. |
Use Scenario: Capturing diagnostic logs, crash dumps, and user interaction history in automotive head units with limited DRAM. IC Role / Device Role / Timing Role: High-endurance data logger leveraging 100,000+ P/E cycles and sector-level erase for circular buffer management. Use Value: 4KB sector erase allows efficient log rotation without wear leveling firmware; suspend/resume ensures no data loss during interrupt-driven event capture. |
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, SOIC 208-mil, but lacks QPI mode and OTP security registers | Suitable for cost-sensitive designs where XIP performance and firmware security are not required | Prefer W25Q32FVSSIF TR when QPI, SFDP, or security registers are needed; MX25L3233FZNI-10G offers lower unit cost in basic SPI-only use cases |
| S25FL132K0XMFI011 | 32 M-bit, 80 MHz max clock, SOIC 208-mil, supports HyperBus interface (not SPI/QPI), includes built-in ECC | Better suited for high-reliability applications requiring error correction, but incompatible with standard SPI controllers | Select W25Q32FVSSIF TR for SPI/QPI ecosystem compatibility and XIP performance; choose S25FL132K0XMFI011 only if HyperBus controller and ECC are mandatory design requirements |
Compared with MX25L3233FZNI-10G and S25FL132K0XMFI011, the W25Q32FVSSIF TR uniquely balances high-speed Quad SPI/QPI operation, JEDEC SFDP configurability, and integrated OTP security - making it optimal for secure, real-time embedded firmware storage where interface flexibility and long-term data integrity are critical.
Availability
W25Q32FVSSIF TR is available at Aetrix Electronics and suitable for industrial HMI, IoT edge node, and medical diagnostic device applications requiring stable component supply, long-lifecycle support, and RoHS-compliant packaging.
Supply support for W25Q32FVSSIF 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 manufacturer specializing in specialty memory solutions, including serial NOR/NAND flash, RAM, and mobile DRAM, serving industrial, communications, and consumer markets.
The W25Q32FV series belongs to Winbond's high-performance SpiFlash family, engineered for embedded systems demanding fast XIP execution, robust security, and flexible interface options across extended temperature ranges.
FAQ
What interface protocols does the W25Q32FVSSIF TR support?
The W25Q32FVSSIF TR supports Standard SPI (4-wire), Dual SPI (2 I/O), Quad SPI (4 I/O), and Quad Peripheral Interface (QPI) modes. QPI reduces instruction overhead to two clocks per command and enables true execute-in-place (XIP) operation. All modes operate up to 104 MHz clock frequency, with Quad I/O achieving up to 416 MB/s effective throughput. The W25Q32FVSSIF TR requires setting the Quad Enable (QE) bit in Status Register-2 to activate Quad SPI or QPI functionality.
Does the W25Q32FVSSIF TR include hardware write protection features?
Yes, the W25Q32FVSSIF TR provides multiple hardware write protection mechanisms: an active-low /WP pin that locks status register writes when asserted, plus non-volatile Block Protect (BP2–BP0), Top/Bottom (TB), Sector Protect (SEC), Complement Protect (CMP), and Status Register Protect (SRP0/SRP1) bits. These allow selective locking of 4KB sectors, 64KB blocks, or the entire array. The /WP pin is disabled in Quad SPI mode (QE=1), where it functions as IO2.
What package type is used for the W25Q32FVSSIF TR?
The W25Q32FVSSIF TR uses an 8-pin SOIC 208-mil package (Package Code SS), with gull-wing leads, 1.27 mm pitch, and RoHS-compliant matte tin plating. This package is pin-compatible with industry-standard 208-mil SOIC footprints and supports reflow soldering per J-STD-020. Pin 1 is identified by a beveled corner or dot marking on the top surface.
Can the W25Q32FVSSIF TR be used for execute-in-place (XIP) applications?
Yes, the W25Q32FVSSIF TR supports true execute-in-place (XIP) operation via its Continuous Read Mode and QPI interface. Continuous Read minimizes instruction overhead to just 8 clocks for address setup, while QPI enables deterministic 2-cycle command execution. Together, they allow microcontrollers to fetch and execute code directly from flash without RAM shadowing - verified in applications like industrial HMIs and IoT gateways where deterministic latency and memory footprint are critical.
What security features are implemented in the W25Q32FVSSIF TR?
The W25Q32FVSSIF TR includes three 256-byte one-time-programmable (OTP) security registers, a 64-bit unique serial number (readable via instruction 4Bh), JEDEC SFDP v1.6 register for auto-configuration, and programmable lock bits (LB1–LB3) for OTP areas. It also supports volatile/non-volatile status register protection and individual sector/block locking via BP/TB/SEC bits - collectively enabling secure firmware storage, cryptographic key management, and anti-cloning measures in certified medical and industrial systems.
W25Q32FVSSIF TR Specifications
- Product attributes
- Attribute value
- Manufacturer:
- Winbond Electronics Corporation
- Series:
- SpiFlash®
- Package/Case:
- 8-SOIC (0.209", 5.30mm Width)
- 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:
- Surface Mount
- Supplier Device Package:
- 8-SOIC
W25Q32FVSSIF TR FAQ
1.How can I place an order for W25Q32FVSSIF TR through Aetrix?
Please submit a Request for Quotation (RFQ) for W25Q32FVSSIF 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 W25Q32FVSSIF TR reliable?
The price and inventory of W25Q32FVSSIF TR are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for W25Q32FVSSIF TR is usually 5 days.
3.What payment methods are accepted for W25Q32FVSSIF TR?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for W25Q32FVSSIF TR transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for W25Q32FVSSIF TR?
W25Q32FVSSIF TR orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your W25Q32FVSSIF 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 W25Q32FVSSIF TR?
For technical support, including W25Q32FVSSIF TR datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your W25Q32FVSSIF TR requirements.
6.How does Aetrix verify that W25Q32FVSSIF TR is sourced from the original manufacturer or authorized distributors?
All W25Q32FVSSIF 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 W25Q32FVSSIF TR meets industry standards.
7.What is the process for return or replacement of W25Q32FVSSIF TR?
All W25Q32FVSSIF TR units undergo pre-shipment inspection (PSI). If there is an issue with W25Q32FVSSIF 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 W25Q32FVSSIF TR part is unused and in its original packaging.
Return procedure for W25Q32FVSSIF TR:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
W25Q32FVSSIF TR Tags
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