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Winbond Electronics Corporation W25Q32FWBYIG TR
- Part No.:
- W25Q32FWBYIG TR
- Manufacturer:
- Winbond Electronics Corporation
- Category:
- Memory
- Package:
- 12-UFBGA, WLCSP
- Datasheet:
-
W25Q32FWBYIG TR.pdf
- Description:
- IC FLASH 32MBIT SPI/QUAD 12WLCSP
- Quantity:
- Payment:
- Shipping:
Inventory:3,101
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Product details
Overview
W25Q32FWBYIG TR from Winbond is a 1.8V 32M-bit serial NOR flash memory IC supporting Standard/Dual/Quad SPI and QPI interfaces, organized as 32,768 × 256-byte pages with 4KB uniform sector erase, 104MHz max clock, and 1µA power-down current. It enables XIP execution in resource-constrained embedded systems requiring secure, low-voltage code storage.
For engineers reviewing the W25Q32FWBYIG TR datasheet, W25Q32FWBYIG TR pinout, W25Q32FWBYIG TR application, or W25Q32FWBYIG TR equivalent, key selection criteria include Quad Enable (QE) bit configuration, /HOLD vs /RESET pin mapping in WLCSP-12, 4KB sector granularity for firmware partitioning, and JEDEC ID (EF4016) verification for supply chain traceability.
Technical Context
The W25Q32FWBYIG TR implements a dual-mode I/O architecture: Standard SPI uses unidirectional DI/DO pins, while Quad SPI repurposes /WP and /HOLD as IO2/IO3 when QE=1 in Status Register-2. Its command set includes Fast Read Quad I/O (EBh), Quad Input Page Program (32h), and Erase/Program Suspend (75h), enabling deterministic latency control during concurrent operations.
Memory organization supports hierarchical protection: BP2–BP0 bits define up to eight 64KB blocks or sixteen 32KB blocks for hardware write-protection, while individual sector lock (36h) and security registers (3×256 bytes OTP-locked) provide layered data integrity. The SFDP register (5Ah) delivers discoverable timing and feature parameters at runtime.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| Memory Density | 32 M-bit (4 MB), organized as 32,768 × 256-byte pages for fine-grained firmware updates |
| Supply Voltage | 1.65V–1.95V - enables direct integration with 1.8V logic domains without level shifting |
| Max Clock Frequency | 104 MHz (SPI), 208 MHz equiv. (Dual I/O), 416 MHz equiv. (Quad I/O) - sustains 50 MB/s continuous read throughput |
| Erase Granularity | 4 KB sectors (1,024 total), 32 KB blocks (128), 64 KB blocks (64) - allows selective OTA patching without full chip erase |
| Endurance & Retention | 100,000 program/erase cycles per sector; >20 years data retention at 25°C - suitable for field-upgradable industrial controllers |
| Security Features | 64-bit unique ID, three 256-byte OTP-lockable security registers, SFDP register - supports device authentication and secure boot key storage |
| Interface Modes | Standard SPI (DI/DO), Dual SPI (IO0/IO1), Quad SPI (IO0–IO3), QPI (4-bit instruction/data bus) - reduces instruction overhead for XIP applications |
Pinout & Package
W25Q32FWBYIG TR uses a 12-ball WLCSP package (4.0 × 3.2 mm, 0.5 mm pitch, top-side marking BYIG) with ball pitch compatible with standard reflow profiles. Pin functions are defined per WLCSP12 configuration in datasheet Section 3.9.
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| A3 | /CS | Active-low chip select - must transition high→low after power-up before first instruction; high-impedance DO when deasserted |
| B3 | DO (IO1) | Data output (Standard/Dual SPI) or bidirectional I/O (Quad SPI) - drives status/data on CLK falling edge |
| C3 | /WP (IO2) | Hardware write-protect input (Standard/Dual) or IO2 (Quad SPI when QE=1) - active-low, disabled in Quad mode |
| D3 | GND | Analog/digital ground reference - requires low-inductance connection to minimize read noise |
| A2 | VCC | 1.65–1.95V core supply - decoupling capacitor (100nF) required within 3 mm of ball |
| B2 | /HOLD or /RESET (IO3) | Hold/resume control (Standard/Dual) or IO3 (Quad SPI when QE=1); dedicated /RESET only in SOIC-16/TFBGA packages |
| C2 | CLK | Input clock - supports SPI modes 0 and 3; timing critical for setup/hold compliance at 104 MHz |
| D2 | DI (IO0) | Data input (Standard/Dual) or bidirectional I/O (Quad SPI) - latches instructions/addresses on CLK rising edge |
Key Features
| Feature | Design Value |
|---|---|
| Continuous Read Mode | As few as 8 clocks to address memory with wrap lengths of 8/16/32/64 bytes - enables true XIP with minimal instruction overhead |
| Quad Peripheral Interface (QPI) | 2-clock instruction cycle reduces command latency vs standard SPI - accelerates sequential reads in boot ROM applications |
| Erase/Program Suspend & Resume | Allows background sector erase to pause while servicing high-priority read requests - maintains real-time system responsiveness |
| Top/Bottom Block Protection | Configurable via TB bit and BP2–BP0 - isolates bootloader region (top) from application firmware (bottom) with hardware enforcement |
| Discoverable Parameters (SFDP) | Read-only register (5Ah) provides JEDEC-standard timing, density, and feature flags at runtime - eliminates hard-coded driver assumptions |
Applications
| Industrial PLC Firmware Storage | Automotive ADAS Boot Memory |
|---|---|
Use Scenario: Storing firmware images and calibration tables in programmable logic controllers operating in extended temperature ranges (-40°C to +85°C). IC Role / Device Role / Timing Role: Non-volatile code storage with XIP capability; executes directly from flash via Quad SPI interface to reduce external RAM footprint. Use Value: 4KB sector erase enables incremental field updates without disrupting running control logic; 100K endurance ensures 10+ years of daily firmware revisions. | Use Scenario: Holding boot code and safety-critical sensor initialization routines in automotive camera modules compliant with AEC-Q100 Grade 2. IC Role / Device Role / Timing Role: Primary boot memory mapped to ARM Cortex-R5 processor; QPI mode delivers 416 MHz equivalent bandwidth for sub-100ms cold boot. Use Value: 64-bit unique ID enables secure key binding per unit; OTP-locked security registers store cryptographic keys resistant to physical extraction. |
| IoT Edge Node Configuration | Medical Device Data Logging |
Use Scenario: Storing network credentials, device certificates, and OTA update payloads in battery-powered wireless sensors with strict power budgets. IC Role / Device Role / Timing Role: Parameter and configuration storage with hardware write-protection; /WP pin disables status register writes during brown-out conditions. Use Value: 1µA power-down current extends 10-year battery life; individual sector lock (36h) prevents accidental overwrite of Wi-Fi SSID/password partitions. | Use Scenario: Recording patient vital sign history and diagnostic logs in portable ECG monitors requiring FDA 21 CFR Part 11 compliance. IC Role / Device Role / Timing Role: Secure data archive with tamper-evident logging; security registers store digital signatures for audit trail integrity. Use Value: >20-year data retention guarantees record longevity beyond device service life; SFDP register validates timing margins across voltage/temperature 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 |
|---|---|---|---|
| MX25L3233FZC-12G | 32 M-bit, 1.65–2.0V supply, supports DTR Quad SPI but lacks QPI mode and SFDP register | Requires custom driver for timing parameter discovery; no hardware reset pin in 8-pin package | Prefer W25Q32FWBYIG TR when QPI compatibility or runtime SFDP interrogation is required |
| S25FL132K0XMFI010 | 32 M-bit, 2.7–3.6V supply, includes built-in ECC and configurable latency code but no /HOLD pin in WSON-8 | Not voltage-compatible with 1.8V systems; ECC adds latency overhead unsuitable for XIP | Choose W25Q32FWBYIG TR for 1.8V designs needing hold functionality and Quad SPI flexibility |
Compared with MX25L3233FZC-12G and S25FL132K0XMFI010, the W25Q32FWBYIG TR uniquely combines 1.8V operation, QPI mode, SFDP support, and WLCSP-12 packaging - making it optimal for space-constrained, low-power embedded boot applications requiring standardized timing discovery and hardware suspend/resume.
Availability
W25Q32FWBYIG TR is available at Aetrix Electronics and suitable for industrial PLCs, automotive ADAS modules, IoT edge nodes, medical data loggers, and consumer electronics requiring stable component supply with guaranteed long-term availability.
Supply support for W25Q32FWBYIG 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 SPI NOR/NAND flash, RAM, and mobile DRAM, serving industrial, automotive, and communications markets since 1987.
The W25Q series targets embedded systems requiring high-speed, low-voltage serial flash with advanced security and flexible interface options - specifically designed for code execution, firmware storage, and secure parameter retention in space- and power-constrained devices.
FAQ
What is the exact package type and marking for W25Q32FWBYIG TR?
The W25Q32FWBYIG TR uses a 12-ball WLCSP package (4.0 × 3.2 mm, 0.5 mm pitch) with top-side laser marking "BYIG". This matches Winbond's ordering code BYIG in Section 10.10 of the datasheet and corresponds to the WLCSP12 variant with /HOLD or /RESET function on ball B2.
Does W25Q32FWBYIG TR support hardware reset, and how is it implemented?
W25Q32FWBYIG TR does not have a dedicated /RESET pin; ball B2 serves as /HOLD or /RESET depending on Status Register configuration. When QE=0, it functions as /HOLD; when QE=1, it becomes IO3. True hardware reset requires external circuitry or software reset (66h/99h), unlike SOIC-16 or TFBGA variants which include independent /RESET pins.
How is Quad SPI mode enabled on W25Q32FWBYIG TR, and what changes occur to pin functions?
Quad SPI mode on W25Q32FWBYIG TR is enabled by setting the Quad Enable (QE) bit in Status Register-2 (address 31h). When QE=1, /WP (ball C3) becomes IO2 and /HOLD or /RESET (ball B2) becomes IO3. This repurposing is mandatory for Quad I/O operation and invalidates hardware write-protect and hold functions in that mode.
What JEDEC and unique identifiers are provided by W25Q32FWBYIG TR?
W25Q32FWBYIG TR reports JEDEC ID EF4016 (read via 9Fh), manufacturer ID EFh, and device ID 4016h. It also provides a factory-programmed 64-bit unique serial number (read via 4Bh) and supports SFDP register access (5Ah) for standardized parameter discovery - all verified in Sections 8.2.27 and 8.2.26 of the datasheet.
Can W25Q32FWBYIG TR perform simultaneous read and erase operations, and how is this managed?
Yes, W25Q32FWBYIG TR supports Erase/Program Suspend (75h) and Resume (7Ah) commands. When an erase is in progress, issuing 75h pauses the operation, allowing immediate high-priority reads from other sectors. After servicing the read, 7Ah resumes the suspended erase - ensuring deterministic latency for real-time applications without data loss.
W25Q32FWBYIG 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)
W25Q32FWBYIG TR FAQ
1.How can I place an order for W25Q32FWBYIG TR through Aetrix?
Please submit a Request for Quotation (RFQ) for W25Q32FWBYIG 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 W25Q32FWBYIG TR reliable?
The price and inventory of W25Q32FWBYIG TR are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for W25Q32FWBYIG TR is usually 5 days.
3.What payment methods are accepted for W25Q32FWBYIG TR?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for W25Q32FWBYIG TR transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for W25Q32FWBYIG TR?
W25Q32FWBYIG TR orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your W25Q32FWBYIG 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 W25Q32FWBYIG TR?
For technical support, including W25Q32FWBYIG TR datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your W25Q32FWBYIG TR requirements.
6.How does Aetrix verify that W25Q32FWBYIG TR is sourced from the original manufacturer or authorized distributors?
All W25Q32FWBYIG 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 W25Q32FWBYIG TR meets industry standards.
7.What is the process for return or replacement of W25Q32FWBYIG TR?
All W25Q32FWBYIG TR units undergo pre-shipment inspection (PSI). If there is an issue with W25Q32FWBYIG 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 W25Q32FWBYIG TR part is unused and in its original packaging.
Return procedure for W25Q32FWBYIG TR:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
W25Q32FWBYIG TR Tags
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