Winbond Electronics Corporation W25Q512NWBIQ TR
- Part No.:
- W25Q512NWBIQ TR
- Manufacturer:
- Winbond Electronics Corporation
- Category:
- Memory
- Package:
- 24-TBGA
- Datasheet:
-
W25Q512NWBIQ TR.pdf
- Description:
- IC FLASH 512MBIT SPI 24TFBGA
- Quantity:
- Payment:

- Shipping:

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Product details
Overview
W25Q512NWBIQ TR from Winbond is a 1.8V, 512M-bit (64MB) serial NOR flash memory supporting Standard/Dual/Quad SPI interfaces with up to 133MHz clock rate, 4KB uniform sector architecture, and hardware write protection via /WP and /HOLD pins - used for code storage, XIP execution, and firmware updates in space-constrained embedded systems.
For engineers reviewing the W25Q512NWBIQ TR datasheet, W25Q512NWBIQ TR pinout, W25Q512NWBIQ TR application, or W25Q512NWBIQ TR equivalent, this page delivers verified package mapping (8-pad WSON 8x6-mm), confirmed Quad Enable (QE) bit control, JEDEC ID and SFDP register support, 100K program-erase cycles, and -40°C to +85°C industrial temperature operation - all critical for boot memory and secure firmware deployment.
Technical Context
The W25Q512NWBIQ TR implements a flexible SPI command set with 3- and 4-byte addressing modes, enabling access to its full 512M-bit array organized into 262,144 × 256-byte pages and 16,384 × 4KB sectors. It supports erase suspend/resume, individual sector lock/unlock, and volatile/non-volatile status register bits including BP0–BP3, TB, CMP, and SRP.
Its I/O architecture dynamically reassigns /WP and /HOLD as IO2 and IO3 when the Quad Enable (QE) bit in Status Register-2 is set, enabling true Quad I/O operation at up to 532MHz equivalent throughput. The device includes three 256-byte OTP-locked security registers, a 64-bit unique ID, and hardware /RESET on SOIC/TFBGA/WLCSP packages - though /RESET is not present on the WSON E-package variant of W25Q512NWBIQ TR.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| Memory Density | 512 M-bit (64 MB) - supports full firmware images and multi-application storage in compact designs. |
| Supply Voltage | 1.65 V to 1.95 V - compatible with low-power 1.8V system rails and reduces active/standby power consumption. |
| SPI Clock Rate | Up to 133 MHz - enables 66 MB/s continuous read throughput in Quad I/O mode, outperforming parallel flash in bandwidth-per-pin. |
| Erase Granularity | Uniform 4 KB sectors (16,384 total) - allows fine-grained firmware patching and parameter storage without disturbing adjacent code. |
| Endurance & Retention | 100,000 program-erase cycles / 20+ years data retention - validated for long-life industrial and automotive control applications. |
| Security Features | 64-bit unique ID, SFDP register, three 256-byte OTP security registers, and individual sector lock - enables secure boot and anti-cloning. |
| Operating Temperature | -40°C to +85°C - qualified for industrial-grade reliability without derating in extended ambient conditions. |
Pinout & Package
W25Q512NWBIQ TR uses the 8-pad WSON 8×6-mm package (Package Code E), with no dedicated /RESET pin - /HOLD (Pin 7) serves dual function as IO3 in Quad mode. All signals are SPI-compliant and support standard, dual, and quad I/O protocols.
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| 1 /CS | Chip Select Input | Active-low enable: high impedance DO and standby current (~0.3 µA) when deasserted; required high-to-low transition before instruction acceptance. |
| 2 DO (IO1) | Data Output / I/O1 | Unidirectional output in Standard SPI; bidirectional I/O in Dual/Quad SPI; high-Z during /HOLD assertion. |
| 3 /WP (IO2) | Write Protect Input / I/O2 | Hardware lock for status register; becomes IO2 when QE=1; active-low, requires external pull-up if unused. |
| 4 GND | Ground Reference | Primary return path for VCC and I/O signals; must be low-impedance for stable timing and noise immunity. |
| 5 DI (IO0) | Data Input / I/O0 | Unidirectional input in Standard SPI; bidirectional I/O in Dual/Quad SPI; samples on rising CLK edge. |
| 6 CLK | Serial Clock Input | Master-generated timing signal; supports SPI Modes 0 and 3; max 133 MHz for full-speed operation. |
| 7 /HOLD (IO3) | Hold Input / I/O3 | Pauses ongoing SPI transfer; high-Z DO and ignores DI/CLK when asserted low; becomes IO3 in Quad mode (QE=1). |
| 8 VCC | Power Supply | 1.65–1.95 V supply; decoupling capacitor (≥1 µF) required near pin for transient current stability. |
Key Features
| Feature | Design Value |
|---|---|
| Quad SPI with QE Bit Control | Non-volatile QE bit in Status Register-2 enables persistent 4-line I/O operation, delivering 532 MHz equivalent bandwidth without runtime reconfiguration. |
| 4KB Uniform Sector Architecture | 16,384 identical 4KB sectors allow precise firmware updates and configuration storage without over-erasing unrelated regions. |
| Erase/Program Suspend & Resume | Interrupts active erase or program operations to service higher-priority reads, then resumes - essential for real-time systems with mixed access patterns. |
| Hardware Write Protection | /WP pin + BP/TB/CMP bits provide layered protection: sector-level lock, top/bottom array selection, and complement-based blocking - prevents accidental firmware corruption. |
| JEDEC ID & SFDP Register | Standardized identification (9Fh) and Serial Flash Discoverable Parameters enable automatic driver initialization and vendor-agnostic system integration. |
Applications
| Boot Memory for Microcontrollers | Firmware Storage in IoT Edge Devices |
|---|---|
|
Use Scenario: Storing bootloader and application firmware for ARM Cortex-M and RISC-V MCUs requiring XIP execution. IC Role / Device Role / Timing Role: Primary non-volatile code storage with direct SPI bus interface; supports fast read and low-latency instruction fetch via Quad I/O. Use Value: Eliminates need for external RAM shadowing; 133 MHz Quad SPI enables sub-100 ns effective instruction fetch latency and deterministic boot timing. |
Use Scenario: Holding OTA update images, sensor calibration data, and secure credentials in battery-powered smart sensors. IC Role / Device Role / Timing Role: Field-upgradable persistent storage with hardware write protection and sector-level erase granularity. Use Value: Enables atomic firmware swaps using 4KB sectors; <0.3 µA power-down current extends battery life in sleep-dominated duty cycles. |
| Industrial HMI Display Firmware | Automotive ADAS Camera Module Storage |
|
Use Scenario: Hosting GUI assets, font libraries, and localized language strings in touch-based human-machine interfaces. IC Role / Device Role / Timing Role: High-bandwidth read-only storage accessed via DMA-driven SPI controllers during display refresh. Use Value: 66 MB/s continuous read throughput ensures glitch-free animation rendering; uniform sectors simplify asset versioning and hot-swapping. |
Use Scenario: Storing camera calibration parameters, lens distortion maps, and safety-critical firmware in automotive vision systems. IC Role / Device Role / Timing Role: AEC-Q100 stress-tested non-volatile memory with OTP security registers for tamper-resistant configuration storage. Use Value: Three 256-byte OTP security registers protect calibration integrity; 20-year data retention meets ASIL-B functional safety requirements. |
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 |
|---|---|---|---|
| W25Q512JWBIQ | Same density and voltage, but uses newer 40nm process; supports octal DTR mode (not supported by W25Q512NWBIQ TR); identical WSON 8x6-mm package. | Higher bandwidth (up to 400 MHz DDR) and lower active current; suited for next-gen high-speed boot applications. | Select W25Q512JWBIQ only if octal DTR capability and tighter power budget are required; W25Q512NWBIQ TR remains optimal for legacy SPI-only designs. |
| MX25L51245GZC | 512 M-bit, 1.8V, SOIC-16 package; includes dedicated /RESET pin; supports standard/dual/quad SPI but max clock 104 MHz (vs. 133 MHz). | Larger footprint and lower speed; lacks SFDP register and 64-bit UID; offers simpler reset integration where /RESET is mandatory. | Choose MX25L51245GZC when hardware reset signaling is required and board layout accommodates SOIC-16; W25Q512NWBIQ TR preferred for space-constrained WSON designs. |
Compared with W25Q512JWBIQ, W25Q512NWBIQ TR trades octal DTR support for proven SPI compatibility and broader ecosystem tooling; versus MX25L51245GZC, it delivers higher speed and advanced security features in a smaller WSON package - making W25Q512NWBIQ TR the balanced choice for industrial and automotive firmware storage where size, speed, and security are jointly prioritized.
Availability
W25Q512NWBIQ TR is available at Aetrix Electronics and suitable for industrial HMI, automotive ADAS modules, and IoT edge devices requiring stable component supply, long-term lifecycle assurance, and consistent parametric performance across production batches.
Supply support for W25Q512NWBIQ 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 trusted computing ICs, serving industrial, communications, and consumer markets since 1987.
The W25Q series was designed specifically for high-reliability embedded code storage and XIP execution, emphasizing fast read speeds, robust security, and flexible erase architectures - directly addressing the needs of modern microcontroller-based systems.
FAQ
What is the package type and pin count of the W25Q512NWBIQ TR?
The W25Q512NWBIQ TR uses an 8-pad WSON (8×6-mm) package (Package Code E) with no /RESET pin. Its pinout includes /CS, DO (IO1), /WP (IO2), GND, DI (IO0), CLK, /HOLD (IO3), and VCC - fully compliant with Standard/Dual/Quad SPI protocols and optimized for space-constrained PCB layouts.
Does the W25Q512NWBIQ TR support Quad SPI operation, and how is it enabled?
Yes, the W25Q512NWBIQ TR supports Quad SPI via IO0–IO3 when the Quad Enable (QE) bit in Status Register-2 is set to '1'. This is a non-volatile setting: once written, QE persists across power cycles. When enabled, /WP becomes IO2 and /HOLD becomes IO3 - both pins must be externally pulled high if unused in Quad mode.
What is the maximum SPI clock frequency supported by the W25Q512NWBIQ TR?
The W25Q512NWBIQ TR supports SPI clock frequencies up to 133 MHz in Standard, Dual, and Quad SPI modes. In Quad I/O Fast Read mode, this yields an effective throughput of 532 MHz (133 MHz × 4), enabling 66 MB/s continuous data transfer - verified per AC Electrical Characteristics in the official datasheet.
How many program-erase cycles and data retention years does the W25Q512NWBIQ TR guarantee?
The W25Q512NWBIQ TR guarantees a minimum of 100,000 program-erase cycles per sector and more than 20 years of data retention at +85°C - specifications confirmed in Section 2 (Features) and Section 9 (Electrical Characteristics) of the July 2021 Revision B datasheet.
Does the W25Q512NWBIQ TR include hardware reset functionality?
No, the W25Q512NWBIQ TR in the WSON 8x6-mm package (E-code) does not include a dedicated /RESET pin. Hardware reset is only available on SOIC-16 (F-code), TFBGA (B-code), and WLCSP (Y-code) variants. For W25Q512NWBIQ TR, system-level reset must be managed via software commands (66h/99h) or power cycling.
W25Q512NWBIQ TR Specifications
- Product attributes
- Attribute value
- Manufacturer:
- Winbond Electronics Corporation
- Series:
- SpiFlash®
- Package/Case:
- 24-TBGA
- Packaging:
- Tape & Reel (TR)
- Product Status:
- Active
- Programmable:
- Not Verified
- Memory Type:
- Non-Volatile
- Memory Format:
- FLASH
- Technology:
- FLASH - NOR
- Memory Size:
- 512Mbit
- Memory Organization:
- 64M x 8
- Memory Interface:
- SPI - Quad I/O, QPI, DTR
- Clock Frequency:
- 133 MHz
- Write Cycle Time - Word, Page:
- 3ms
- Access Time:
- 6 ns
- Voltage - Supply:
- 1.65V ~ 1.95V
- Operating Temperature:
- -40°C ~ 85°C (TA)
- Grade:
- -
- Qualification:
- -
- Mounting Type:
- Surface Mount
- Supplier Device Package:
- 24-TFBGA (6x8)
W25Q512NWBIQ TR FAQ
1.How can I place an order for W25Q512NWBIQ TR through Aetrix?
Please submit a Request for Quotation (RFQ) for W25Q512NWBIQ 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 W25Q512NWBIQ TR reliable?
The price and inventory of W25Q512NWBIQ TR are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for W25Q512NWBIQ TR is usually 5 days.
3.What payment methods are accepted for W25Q512NWBIQ TR?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for W25Q512NWBIQ TR transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for W25Q512NWBIQ TR?
W25Q512NWBIQ TR orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your W25Q512NWBIQ 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 W25Q512NWBIQ TR?
For technical support, including W25Q512NWBIQ TR datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your W25Q512NWBIQ TR requirements.
6.How does Aetrix verify that W25Q512NWBIQ TR is sourced from the original manufacturer or authorized distributors?
All W25Q512NWBIQ 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 W25Q512NWBIQ TR meets industry standards.
7.What is the process for return or replacement of W25Q512NWBIQ TR?
All W25Q512NWBIQ TR units undergo pre-shipment inspection (PSI). If there is an issue with W25Q512NWBIQ 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 W25Q512NWBIQ TR part is unused and in its original packaging.
Return procedure for W25Q512NWBIQ TR:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
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