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Winbond Electronics Corporation W25Q32FWBYIQ TR
- Part No.:
- W25Q32FWBYIQ TR
- Manufacturer:
- Winbond Electronics Corporation
- Category:
- Memory
- Package:
- 12-UFBGA, WLCSP
- Datasheet:
-
W25Q32FWBYIQ TR.pdf
- Description:
- IC FLASH 32MBIT SPI/QUAD 12WLCSP
- Quantity:
- Payment:
- Shipping:
Inventory:4,765
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Product details
Overview
W25Q32FWBYIQ TR from Winbond is a 1.8V 32M-bit serial NOR flash memory supporting Standard/Dual/Quad SPI and QPI interfaces, organized as 32,768 × 256-byte pages with uniform 4KB sector erase, 32KB/64KB block erase, and chip erase. It delivers up to 104MHz SPI clock (416MHz equivalent Quad I/O), 50MB/s continuous read, and supports true execute-in-place (XIP) for code storage in space-constrained embedded systems.
For engineers reviewing the W25Q32FWBYIQ TR datasheet, W25Q32FWBYIQ TR pinout, W25Q32FWBYIQ TR application, or W25Q32FWBYIQ TR equivalent, key selection criteria include 1.65–1.95V supply operation, JEDEC-compliant device ID and SFDP register, 64-bit unique serial number, three 256-byte security registers with OTP locks, and flexible hardware/software write protection with top/bottom/complement/individual-block granularity.
Technical Context
The W25Q32FWBYIQ TR implements a quad-peripheral interface (QPI) mode with 2-clock instruction cycle, reducing command overhead versus standard SPI and enabling deterministic XIP execution. Its status register architecture includes volatile/non-volatile BP2–BP0, TB, SEC, CMP, SRP1/SRP0, QE, WPS, DRV1/DRV0, and HOLD/RST bits-each independently configurable for fine-grained memory protection and I/O drive strength control.
It supports Erase/Program Suspend & Resume for concurrent background operations, Fast Read Dual/Quad I/O with wrap modes (8/16/32/64-byte), and Set Burst with Wrap (77h) for optimized sequential access. The /HOLD and /WP pins function as IO3 and IO2 respectively only when QE = 0; when QE = 1, those pins become dedicated Quad I/O lines, disabling hardware hold/write-protect functionality.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| Memory Density | 32 M-bit (4 MB), organized as 32,768 × 256-byte programmable pages |
| Supply Voltage | 1.65 V to 1.95 V - enables low-power operation in battery-backed and portable systems |
| SPI Clock Frequency | Up to 104 MHz - supports 208 MHz (Dual I/O) and 416 MHz (Quad I/O) effective throughput |
| Erase Granularity | 4 KB sectors (1,024 total), 32 KB blocks (128 total), 64 KB blocks (64 total), full-chip erase |
| Write Endurance | Minimum 100,000 program-erase cycles per sector - ensures long-term reliability in firmware update applications |
| Data Retention | 20+ years at 25°C - validated for industrial temperature range operation without refresh |
| Security Features | 64-bit unique ID, three 256-byte OTP-lockable security registers, SFDP register for discoverable parameters |
Pinout & Package
W25Q32FWBYIQ TR is supplied in an 8-pin WSON 6×5-mm package (Package Code ZP), with exposed pad for thermal dissipation and RoHS-compliant matte tin finish.
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| 1 /CS | Chip Select Input | Active-low enable; high-impedance DO and standby current when high; must transition high→low after power-up before first instruction |
| 2 DO (IO1) | Data Output / Quad I/O Line 1 | Unidirectional output in Standard SPI; bidirectional I/O in Dual/Quad SPI/QPI; requires QE=1 for Quad I/O role |
| 3 /WP (IO2) | Write Protect Input / Quad I/O Line 2 | Hardware lock for Status Register when active low; becomes IO2 in Quad mode (QE=1), disabling WP function |
| 4 GND | Ground Reference | Primary return path for VCC and all I/O signals; connects to thermal pad on bottom of WSON package |
| 5 DI (IO0) | Data Input / Quad I/O Line 0 | Unidirectional input in Standard SPI; bidirectional I/O in Dual/Quad SPI/QPI; required for all instruction/address/data input |
| 6 CLK | Serial Clock Input | Edge-triggered timing reference for all SPI/QPI operations; supports Mode 0 (CPOL=0, CPHA=0) and Mode 3 (CPOL=1, CPHA=1) |
| 7 /HOLD (IO3) | Hold Input / Quad I/O Line 3 | Pauses ongoing read/write while /CS is low; becomes IO3 in Quad mode (QE=1), disabling HOLD function |
| 8 VCC | Power Supply | 1.65–1.95 V core supply; decoupling capacitor required within 10 mm of pin per layout guidelines |
Key Features
| Feature | Design Value |
|---|---|
| Continuous Read Mode | As few as 8 clocks to address memory with wrap support (8/16/32/64-byte), enabling efficient XIP execution without external buffering |
| Quad Peripheral Interface (QPI) | 2-clock instruction cycle reduces command overhead vs. standard SPI, improving throughput predictability for real-time code fetch |
| Flexible Memory Protection | Hardware /WP + software-configurable BP/TB/SEC/CMP/SRP bits allow selective locking of 4KB sectors up to full array, including OTP-locked security registers |
| Erase/Program Suspend & Resume | Allows interruption of long-duration erase/program operations to service higher-priority reads, minimizing system latency impact |
| JEDEC Compliance & Unique ID | Standard Manufacturer/Device ID (9Fh), 64-bit unique serial number (4Bh), and SFDP register (5Ah) simplify automated BOM validation and traceability |
Applications
| IoT Edge Node Firmware Storage | Industrial PLC Boot Memory |
|---|---|
Use Scenario: Storing boot firmware, configuration tables, and field-upgradable application code in battery-powered wireless sensor nodes. IC Role / Device Role / Timing Role: Primary non-volatile code storage with XIP-capable Quad SPI interface for direct CPU execution during cold start. Use Value: 1.8V operation extends battery life; 4KB sector granularity enables atomic OTA updates without erasing full image; 20-year retention ensures decade-long deployment without refresh. |
Use Scenario: Holding bootloader, safety-critical control logic, and calibration data in programmable logic controllers operating in harsh factory environments. IC Role / Device Role / Timing Role: Secure, tamper-resistant boot source with hardware write-protection and OTP-locked security registers for firmware integrity. Use Value: /WP pin + non-volatile BP/TB bits prevent accidental overwrite during EMI events; unique ID enables per-unit firmware binding and audit trail generation. |
| Medical Diagnostic Device UI Assets | Automotive ADAS Camera Module |
Use Scenario: Hosting graphical assets (fonts, icons, UI bitmaps) and localized language strings in portable ultrasound or patient monitor displays. IC Role / Device Role / Timing Role: High-bandwidth serial flash delivering burst-read assets to display controller via Quad I/O to minimize frame buffer load latency. Use Value: 50 MB/s continuous read rate sustains 1080p UI rendering; 32KB block erase allows rapid asset replacement during software upgrades without disrupting active display. |
Use Scenario: Storing camera ISP firmware, lens correction profiles, and runtime calibration maps in automotive surround-view camera modules. IC Role / Device Role / Timing Role: AEC-Q100 stress-tested code storage interfacing with SoC via QPI for deterministic boot timing under temperature cycling. Use Value: QPI's 2-clock instruction cycle eliminates SPI mode switching delays; 100K-cycle endurance supports frequent recalibration writes over 15-year vehicle lifetime. |
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 |
|---|---|---|---|
| MX25L3233FZUI-12G | 32 M-bit, 1.65–2.0 V supply, 133 MHz max SPI clock, no QPI mode, supports DTR (double-transfer-rate) read | Lacks QPI and continuous read wrap; offers faster clock but lower bandwidth efficiency in burst scenarios | Prefer when maximum clock speed outweighs instruction overhead reduction; verify /HOLD and /WP pin compatibility in existing layout |
| S25FL132K0XMFI010 | 32 M-bit, 2.7–3.6 V supply, 80 MHz SPI clock, supports HyperBus interface, integrated ECC, 10-year data retention | Higher voltage, no Quad SPI/QPI; HyperBus offers wider bus width but requires different controller IP | Select for legacy 3.3V systems or where built-in ECC and longer warranty coverage are prioritized over 1.8V compatibility |
Compared with MX25L3233FZUI-12G and S25FL132K0XMFI010, the W25Q32FWBYIQ TR uniquely balances 1.8V operation, QPI efficiency, 4KB sector flexibility, and OTP-secured registers - making it optimal for next-gen ultra-low-power, XIP-based embedded designs requiring field-upgrade resilience and traceability.
Availability
W25Q32FWBYIQ TR is available at Aetrix Electronics and suitable for IoT edge node firmware storage, industrial PLC boot memory, medical diagnostic UI assets, and automotive ADAS camera module applications requiring stable component supply, long-lifecycle assurance, and RoHS-compliant packaging.
Supply support for W25Q32FWBYIQ 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, automotive, and consumer markets since 1987.
The W25Q32FWBYIQ TR belongs to Winbond's W25Q family of high-performance serial NOR flash devices, designed specifically for code storage and XIP execution in resource-constrained embedded systems demanding low voltage, high reliability, and advanced security features.
FAQ
What is the operating voltage range for the W25Q32FWBYIQ TR?
The W25Q32FWBYIQ TR operates across a strict 1.65 V to 1.95 V supply range. This narrow 1.8V nominal window enables ultra-low-power operation in battery-powered and energy-harvesting systems. Operation outside this range may cause undefined behavior or permanent damage. Decoupling capacitance must be placed near the VCC pin per Winbond's layout guidelines to maintain stability during fast transitions.
Does the W25Q32FWBYIQ TR support execute-in-place (XIP) functionality?
Yes, the W25Q32FWBYIQ TR supports true XIP through its Continuous Read Mode and Quad Peripheral Interface (QPI). With as few as 8 clocks to initiate a read and wrap modes up to 64 bytes, it delivers deterministic latency for CPU instruction fetch. QPI's 2-clock instruction cycle further reduces overhead compared to standard SPI, making W25Q32FWBYIQ TR suitable for direct code execution without shadowing to RAM.
How does the Quad Enable (QE) bit affect pin functionality on the W25Q32FWBYIQ TR?
The QE bit (bit 1 of Status Register-2) controls whether pins 3 (/WP) and 7 (/HOLD) operate as hardware protection inputs or as Quad I/O lines IO2 and IO3. When QE = 0, /WP and /HOLD functions are active; when QE = 1, those pins become bidirectional I/Os required for Quad SPI/QPI operation. This is a non-volatile setting unless configured as volatile, and must be set before entering Quad mode.
What security mechanisms does the W25Q32FWBYIQ TR provide beyond basic write protection?
The W25Q32FWBYIQ TR provides layered security: hardware /WP pin protection, non-volatile status register bits (BP/TB/SEC/CMP/SRP), OTP-lockable security registers (3 × 256 bytes), and a factory-programmed 64-bit unique ID. The SFDP register (5Ah) enables standardized parameter discovery, and the security registers support cryptographic key storage with one-time-programmable locks to prevent post-deployment modification.
Can the W25Q32FWBYIQ TR be used in automotive applications?
The W25Q32FWBYIQ TR is not AEC-Q100 qualified. While it meets industrial temperature range (–40°C to +85°C) and offers robust reliability (100K cycles, 20-year retention), automotive-grade use requires formal qualification. For ADAS or infotainment systems, Winbond's AEC-Q100-certified equivalents like the W25Q32JW series should be selected instead. W25Q32FWBYIQ TR remains appropriate for non-safety-critical automotive accessories or prototyping.
W25Q32FWBYIQ TR Specifications
- Product attributes
- Attribute value
- Manufacturer:
- Winbond Electronics Corporation
- Series:
- SpiFlash®
- Package/Case:
- 12-UFBGA, WLCSP
- 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:
- 60µs, 5ms
- Access Time:
- -
- Voltage - Supply:
- 1.65V ~ 1.95V
- Operating Temperature:
- -40°C ~ 85°C (TA)
- Grade:
- -
- Qualification:
- -
- Mounting Type:
- Surface Mount
- Supplier Device Package:
- 12-WLCSP (2.31x2.03)
W25Q32FWBYIQ TR FAQ
1.How can I place an order for W25Q32FWBYIQ TR through Aetrix?
Please submit a Request for Quotation (RFQ) for W25Q32FWBYIQ 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 W25Q32FWBYIQ TR reliable?
The price and inventory of W25Q32FWBYIQ TR are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for W25Q32FWBYIQ TR is usually 5 days.
3.What payment methods are accepted for W25Q32FWBYIQ TR?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for W25Q32FWBYIQ TR transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for W25Q32FWBYIQ TR?
W25Q32FWBYIQ TR orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your W25Q32FWBYIQ 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 W25Q32FWBYIQ TR?
For technical support, including W25Q32FWBYIQ TR datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your W25Q32FWBYIQ TR requirements.
6.How does Aetrix verify that W25Q32FWBYIQ TR is sourced from the original manufacturer or authorized distributors?
All W25Q32FWBYIQ 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 W25Q32FWBYIQ TR meets industry standards.
7.What is the process for return or replacement of W25Q32FWBYIQ TR?
All W25Q32FWBYIQ TR units undergo pre-shipment inspection (PSI). If there is an issue with W25Q32FWBYIQ 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 W25Q32FWBYIQ TR part is unused and in its original packaging.
Return procedure for W25Q32FWBYIQ TR:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
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