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Winbond Electronics Corporation W25Q32FVSSJF TR
- Part No.:
- W25Q32FVSSJF TR
- Manufacturer:
- Winbond Electronics Corporation
- Category:
- Memory
- Package:
- 8-SOIC (0.209", 5.30mm Width)
- Datasheet:
-
W25Q32FVSSJF TR.pdf
- Description:
- IC FLASH 32MBIT SPI/QUAD 8SOIC
- Quantity:
- Payment:
- Shipping:
Inventory:2,732
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Product details
Overview
W25Q32FVSSJF TR 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 1µA typical power-down current. It enables XIP (execute-in-place) in embedded microcontrollers for code storage and firmware updates in space-constrained IoT edge nodes.
For engineers reviewing the W25Q32FVSSJF TR datasheet, W25Q32FVSSJF TR pinout, W25Q32FVSSJF TR application, or W25Q32FVSSJF TR equivalent, key selection criteria include Quad Enable (QE) bit configuration, /HOLD vs /RESET pin mapping in SOIC-8, 4KB sector granularity for parameter logging, and JEDEC SFDP register support for automated initialization.
Technical Context
The W25Q32FVSSJF TR implements a flexible SPI-compatible command set with volatile/non-volatile status registers controlling write protection (BP2–BP0, TB, SEC), quad enable (QE), driver strength (DRV1/DRV0), and HOLD/RESET function selection. Its architecture supports simultaneous read-while-erase/program suspend/resume operations across 1,024 × 4KB sectors.
It delivers up to 50MB/s continuous read throughput via Fast Read Quad I/O (EBh) and QPI mode (38h), with instruction overhead reduced to 8 clocks for address setup - enabling deterministic XIP latency in real-time MCU applications without external RAM buffering.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| Memory Density | 32 M-bit (4 MB) organized as 16,384 × 256-byte pages |
| Interface Support | Standard SPI, Dual SPI, Quad SPI, and QPI - QE bit required to enable IO2/IO3 |
| Max Clock Frequency | 104 MHz (SPI); 208 MHz equiv. (Dual I/O); 416 MHz equiv. (Quad I/O/QPI) |
| Erase Granularity | Uniform 4 KB sectors (1,024 total), plus 32 KB and 64 KB blocks |
| Write Endurance | 100,000 program/erase cycles per sector |
| Data Retention | 20 years at +25°C; validated per JEDEC JESD22-A117 |
| Power Supply | Single 2.7 V to 3.6 V; 4 mA active current, 1 µA typical power-down |
| Operating Temp | −40°C to +85°C industrial grade |
Pinout & Package
W25Q32FVSSJF TR uses an 8-pin SOIC 208-mil package (Package Code SS), with exposed pad not present. Pin functions are fixed per JEDEC-standard SPI pinout and do not vary with configuration.
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| 1 /CS | Chip Select Input | Active-low enable; high-impedance DO output when deasserted; must transition H→L after power-up before first instruction |
| 2 DO (IO1) | Data Output / Bidirectional I/O | Unidirectional output in Standard SPI; bidirectional in Dual/Quad SPI/QPI; shares pin with IO1 |
| 3 /WP (IO2) | Write Protect Input / Bidirectional I/O | Hardware lock for status register when QE=0; becomes IO2 in Quad mode (QE=1) |
| 4 GND | Ground Reference | Primary return path for VCC and I/O signals; decoupling capacitor required near pin |
| 5 DI (IO0) | Data Input / Bidirectional I/O | Unidirectional input in Standard SPI; bidirectional in Dual/Quad SPI/QPI; shares pin with IO0 |
| 6 CLK | Serial Clock Input | Rising-edge sampled for input; falling-edge sampled for output; timing critical for >80MHz operation |
| 7 /HOLD or /RESET (IO3) | Hold/Reset Input / Bidirectional I/O | Active-low pause signal in Standard/Dual mode; becomes IO3 in Quad mode (QE=1); no dedicated /RESET in SOIC-8 |
| 8 VCC | Power Supply | 2.7–3.6 V supply; requires 0.1 µF ceramic decoupling capacitor placed within 5 mm |
Key Features
| Feature | Design Value |
|---|---|
| Quad Peripheral Interface (QPI) | Reduces instruction overhead to single-cycle opcodes, enabling deterministic 416 MHz-equivalent throughput and true XIP without software prefetching |
| Erase/Program Suspend & Resume | Allows background sector erase to be paused for high-priority read access, minimizing system latency in real-time logging applications |
| JEDEC SFDP Register | Enables automatic configuration of read commands, timing parameters, and voltage thresholds by host bootloader without hard-coded initialization sequences |
| 64-bit Unique ID | Provides cryptographically secure device binding for firmware authentication and anti-cloning in certified IoT endpoints |
| Three 256-byte Security Registers | OTP-lockable storage for cryptographic keys, calibration data, or production secrets - isolated from main array and inaccessible via standard read commands |
| Continuous Read Mode with Wrap | Supports burst reads of 8/16/32/64-byte aligned windows with automatic address wrap, eliminating CPU intervention during streaming sensor data capture |
Applications
| Industrial PLC Firmware Storage | Medical Device Boot Image |
|---|---|
|
Use Scenario: Storing boot firmware and safety-critical control logic in DIN-rail mounted programmable logic controllers with zero tolerance for corruption during brown-out events. IC Role / Device Role / Timing Role: Primary non-volatile code storage with hardware write-protection (BP bits + /WP pin) and 20-year data retention guarantee under thermal cycling. Use Value: Eliminates need for external ECC circuitry due to built-in SRP-protected status register and sector-level lock granularity preventing accidental overwrite of bootloader region. |
Use Scenario: Holding FDA-compliant UEFI firmware and device-specific calibration tables in portable ultrasound transducers requiring traceable, tamper-evident memory. IC Role / Device Role / Timing Role: Secure boot image repository with 64-bit unique ID and OTP-locked security registers for cryptographic key injection during manufacturing. Use Value: Enables hardware-rooted chain-of-trust via SFDP-driven initialization and immutable security register contents, satisfying IEC 62304 Class C software requirements. |
| Smart Meter Parameter Logging | Automotive ADAS Camera Module |
|
Use Scenario: Recording time-stamped energy consumption metrics and tariff schedules in ANSI C12.19-compliant utility meters deployed in uncontrolled outdoor environments. IC Role / Device Role / Timing Role: High-endurance data logger using 4KB sector erase for daily log rotation; leverages suspend/resume to avoid missed samples during firmware update. Use Value: Achieves >100k write cycles per sector - sufficient for 27 years of daily logging - while maintaining −40°C to +85°C operation without derating. |
Use Scenario: Storing camera ISP firmware and lens distortion correction profiles in AEC-Q200 qualified automotive vision systems with strict ASIL-B functional safety constraints. IC Role / Device Role / Timing Role: XIP-capable code execution source for real-time image processing pipeline; uses QPI mode for <50 ns instruction fetch latency. Use Value: Delivers 50 MB/s sustained read bandwidth to feed parallel pixel pipelines, reducing SoC DDR bandwidth pressure and lowering system BOM cost. |
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, SOIC-8; lacks QPI mode and SFDP register; only Standard/Dual/Quad SPI | No QPI opcode compatibility; requires host-side instruction translation; no auto-discovery of timing parameters | Select when QPI simplification and SFDP-driven initialization are unnecessary and legacy SPI-only host drivers are used. |
| S25FL132K0XMFI010 | 32 M-bit, 80 MHz max, SOIC-8; includes HyperBus interface option but no QPI; supports 1.8V/3.0V dual supply | Lower max frequency limits burst throughput; HyperBus requires different controller IP; no 64-bit UID | Select when interoperability with Cypress/Infineon HyperFlash ecosystems is required or dual-voltage operation is mandatory. |
Compared with W25Q32FVSSJF TR, MX25L3233FZNI-10G omits QPI and SFDP - increasing firmware porting effort - while S25FL132K0XMFI010 trades peak bandwidth for HyperBus compatibility and dual-voltage flexibility, making it suitable for mixed-voltage automotive domains but less optimal for high-throughput XIP in cost-sensitive industrial designs.
Availability
W25Q32FVSSJF TR is available at Aetrix Electronics and suitable for industrial PLC firmware storage, medical device boot image hosting, smart meter parameter logging, and automotive ADAS camera module applications requiring stable component supply, long-term lifecycle assurance, and full traceability.
Supply support for W25Q32FVSSJF 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-power, and secure code/data storage with robust SPI protocol compliance and extended temperature reliability.
FAQ
What is the package type and lead count of W25Q32FVSSJF TR?
W25Q32FVSSJF TR uses an 8-pin SOIC 208-mil (0.208 inch) surface-mount package with standard JEDEC MO-048 footprint. It has no exposed thermal pad. The 'SS' in the part number explicitly denotes this SOIC-8 variant, confirmed in Winbond's official ordering information table (Section 11.1).
Does W25Q32FVSSJF TR support Quad SPI mode, and how is it enabled?
Yes, W25Q32FVSSJF TR supports Quad SPI mode. It requires setting the Quad Enable (QE) bit in Status Register-2 (SR2) via Write Status Register-2 (31h) instruction. When QE = 1, pins /WP and /HOLD become IO2 and IO3 respectively, enabling four-line data transfer. This configuration is non-volatile unless cleared.
Can W25Q32FVSSJF TR be used for execute-in-place (XIP) operation?
Yes, W25Q32FVSSJF TR supports true XIP via Continuous Read Mode and QPI instructions. With as few as 8 clock cycles for address setup and 416 MHz-equivalent throughput in Quad I/O mode, it delivers deterministic instruction fetch latency suitable for direct MCU code execution without RAM shadowing.
What is the purpose of the /HOLD pin on W25Q32FVSSJF TR, and does it remain functional in Quad SPI mode?
The /HOLD pin on W25Q32FVSSJF TR pauses ongoing SPI transactions when asserted low, useful in multi-device bus sharing. In Quad SPI mode (QE = 1), /HOLD is repurposed as IO3 and loses its hold function - the pin becomes a bidirectional data line, not a control signal.
How many program/erase cycles does W25Q32FVSSJF TR guarantee, and over what memory region?
W25Q32FVSSJF TR guarantees ≥100,000 program/erase cycles per individual 4KB sector, as specified in Section 2 (Features) and verified in electrical characteristics testing. This endurance applies uniformly across all 1,024 sectors and is independent of block-level erase operations.
W25Q32FVSSJF 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 ~ 105°C (TA)
- Grade:
- -
- Qualification:
- -
- Mounting Type:
- Surface Mount
- Supplier Device Package:
- 8-SOIC
W25Q32FVSSJF TR FAQ
1.How can I place an order for W25Q32FVSSJF TR through Aetrix?
Please submit a Request for Quotation (RFQ) for W25Q32FVSSJF 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 W25Q32FVSSJF TR reliable?
The price and inventory of W25Q32FVSSJF TR are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for W25Q32FVSSJF TR is usually 5 days.
3.What payment methods are accepted for W25Q32FVSSJF TR?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for W25Q32FVSSJF TR transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for W25Q32FVSSJF TR?
W25Q32FVSSJF TR orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your W25Q32FVSSJF 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 W25Q32FVSSJF TR?
For technical support, including W25Q32FVSSJF TR datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your W25Q32FVSSJF TR requirements.
6.How does Aetrix verify that W25Q32FVSSJF TR is sourced from the original manufacturer or authorized distributors?
All W25Q32FVSSJF 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 W25Q32FVSSJF TR meets industry standards.
7.What is the process for return or replacement of W25Q32FVSSJF TR?
All W25Q32FVSSJF TR units undergo pre-shipment inspection (PSI). If there is an issue with W25Q32FVSSJF 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 W25Q32FVSSJF TR part is unused and in its original packaging.
Return procedure for W25Q32FVSSJF TR:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
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