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Winbond Electronics Corporation W25Q512NWBIM
- Part No.:
- W25Q512NWBIM
- Manufacturer:
- Winbond Electronics Corporation
- Category:
- Memory
- Package:
- 24-TBGA
- Datasheet:
-
W25Q512NWBIM.pdf
- Description:
- IC FLASH 512MBIT SPI 24TFBGA
- Quantity:
- Payment:
- Shipping:
Inventory:2,504
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Product details
Overview
W25Q512NWBIM from Winbond is a 1.8V, 512M-bit (64MB) serial NOR flash memory supporting Dual/Quad SPI, QPI, and Double Transfer Rate (DTR) read modes. It features uniform 4KB sectors, 133MHz clock operation, 66MB/s continuous read throughput, and hardware write protection via /WP and /HOLD pins. It is used for code execution (XIP), firmware storage, and parameter retention in space-constrained embedded systems.
For engineers reviewing the W25Q512NWBIM datasheet, W25Q512NWBIM pinout, W25Q512NWBIM application, or W25Q512NWBIM equivalent, key selection considerations include 1.8V supply compatibility, DTR-enabled high-speed read performance, quad I/O pin mapping (IO0–IO3), 4-byte addressing support, and hardware reset availability in SOIC/TFBGA/WLCSP packages.
Technical Context
The W25Q512NWBIM implements a flexible SPI-compatible interface with configurable I/O modes: standard single I/O, dual I/O (IO0/IO1), quad I/O (IO0–IO3), and QPI with DTR timing. Its internal architecture supports both 3-byte and 4-byte addressing modes, with ADS bit indicating current mode and ADP bit defining power-up default.
It integrates volatile and non-volatile status register control (SR1–SR3), extended address register (EAR), and security registers with OTP locking. Erase/program suspend/resume, individual sector lock/unlock, and JEDEC SFDP compliance enable robust firmware update and secure boot implementations.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| Memory Density | 512 M-bit (64 MB), organized as 262,144 × 256-byte pages |
| Supply Voltage | 1.65V to 1.95V - enables low-power operation in battery-backed or ultra-low-voltage SoC designs |
| Max Clock Frequency | 133 MHz - delivers up to 532 MB/s effective bandwidth in Quad I/O DTR mode |
| Data Retention | >20 years - ensures long-term firmware integrity without refresh |
| Endurance | 100,000 program/erase cycles per sector - supports frequent OTA updates in industrial gateways |
| Erase Granularity | 4 KB sectors, 32 KB blocks, 64 KB blocks, full chip - enables fine-grained firmware partitioning |
| Interface Modes | Standard SPI, Dual SPI, Quad SPI, QPI, and DTR - allows backward compatibility and bandwidth scaling |
Pinout & Package
W25Q512NWBIM is supplied in an 8-pad WSON 8x6-mm package (Package Code E), with exposed thermal pad. Pin 1 is /CS; pins 2–3 and 5–7 are bidirectional I/Os (IO0–IO3); pin 4 is GND; pin 6 is CLK; pin 8 is VCC.
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| /CS | Chip Select Input | Active-low enable: controls device selection and high-impedance output state during deselection |
| DO (IO1) | Data Output / Bidirectional I/O | Serial data output in standard SPI; IO1 in dual/quad modes; requires QE=1 for quad use |
| /WP (IO2) | Write Protect Input / Bidirectional I/O | Hardware write lock for status register when active low; becomes IO2 in quad mode (QE=1) |
| GND | Ground Reference | Primary return path for all I/O and core logic; must be low-impedance for signal integrity |
| DI (IO0) | Data Input / Bidirectional I/O | Serial data input in standard SPI; IO0 in dual/quad modes; required for instruction/address loading |
| CLK | Serial Clock Input | Edge-triggered timing reference for all SPI/QPI operations; max 133 MHz frequency supported |
| /HOLD or /RESET (IO3) | Hold Input / Reset Input / Bidirectional I/O | Hold function in standard/dual SPI; IO3 in quad mode; dedicated /RESET only in SOIC/TFBGA/WLCSP |
| VCC | Power Supply | 1.65–1.95V core supply; decoupling capacitor required near pin for stable read/write timing |
Key Features
| Feature | Design Value |
|---|---|
| DTR Read Support | Enables double-data-rate sampling on CLK edges, doubling effective throughput without increasing clock frequency |
| Quad Enable (QE) Bit | Non-volatile SR2 bit that reassigns /WP and /HOLD to IO2/IO3 - required to activate full quad I/O functionality |
| Erase/Program Suspend | Allows pausing background erase/program to service time-critical reads - critical for real-time XIP applications |
| 64-bit Unique ID | Factory-programmed immutable serial number - enables device authentication and secure firmware binding |
| SFDP Register | Jedec-standardized flash parameter table - enables automatic driver configuration without hard-coded timing values |
| Security Registers | Three 256-byte OTP-locked regions - supports encrypted key storage and tamper-resistant boot code |
Applications
| Industrial PLC Firmware Storage | Automotive ADAS Boot Image |
|---|---|
|
Use Scenario: Storing firmware and configuration data in programmable logic controllers operating in harsh temperature environments (-40°C to +85°C). IC Role / Device Role / Timing Role: Non-volatile code storage with XIP-capable Quad SPI interface for deterministic boot latency and field-upgradable firmware. Use Value: 4KB sector granularity enables atomic firmware patching; 100K endurance supports lifecycle OTA updates; 1.8V operation reduces system power budget. |
Use Scenario: Hosting boot loader and sensor fusion firmware in automotive camera modules requiring AEC-Q100 reliability and fast cold-boot response. IC Role / Device Role / Timing Role: Primary boot memory accessed via QPI-DTR at 133MHz for sub-100ms firmware load time before CAN/FlexRay initialization. Use Value: DTR mode achieves 532 MB/s effective bandwidth; unique ID enables cryptographic signature verification; SFDP simplifies driver portability across MCU platforms. |
| Medical IoT Sensor Node | Networking Edge Router Configuration |
|
Use Scenario: Retaining calibration data, patient history logs, and BLE stack parameters in battery-powered wearable diagnostics devices. IC Role / Device Role / Timing Role: Low-power parameter store with <0.3µA deep power-down current and hardware write protection against accidental overwrite. Use Value: /WP pin enables physical lock of critical calibration registers; 20-year data retention eliminates need for backup supercapacitors or batteries. |
Use Scenario: Holding boot configuration, routing tables, and secure keys in carrier-grade edge routers requiring hot-swappable firmware modules. IC Role / Device Role / Timing Role: Modular firmware partitioning using independent 4KB sectors - isolates OS, app, and crypto key regions for FIPS 140-2 compliance. Use Value: Individual sector lock/unlock commands prevent unauthorized key modification; security registers provide tamper-evident key storage. |
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 |
|---|---|---|---|
| MX25L51245GMI-13G | 1.8V, 512Mb, supports DTR but lacks QPI mode; no /RESET pin in 8-pin WSON | Lower interface flexibility limits XIP performance in high-throughput SoCs | Choose when QPI/DTR coexistence is unnecessary and cost sensitivity outweighs bandwidth needs |
| S25FL512SAGMFI010 | 3.0V supply only; includes HyperBus interface; no DTR support; larger 16-pin SOIC footprint | Not compatible with 1.8V systems; requires different PCB layout and driver stack | Prefer only if migrating from legacy Cypress platforms with existing HyperFlash infrastructure |
Compared with MX25L51245GMI-13G and S25FL512SAGMFI010, the W25Q512NWBIM uniquely combines 1.8V operation, QPI+DTR dual-mode acceleration, and 8-pin WSON compactness - making it optimal for next-gen low-power, high-bandwidth embedded boot and firmware storage.
Availability
W25Q512NWBIM is available at Aetrix Electronics and suitable for industrial PLCs, automotive ADAS modules, medical wearables, networking edge routers, and consumer IoT gateways requiring stable component supply, long-lifecycle support, and guaranteed traceable sourcing.
Supply support for W25Q512NWBIM 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.
The W25Q series targets high-performance, low-voltage embedded systems requiring reliable code storage, fast XIP execution, and advanced security - with W25Q512NWBIM optimized for compact 1.8V designs needing DTR-enhanced throughput.
FAQ
What is the package type and pin count of the W25Q512NWBIM?
The W25Q512NWBIM uses an 8-pad WSON 8x6-mm package (Package Code E). It has eight terminals: /CS, DO (IO1), /WP (IO2), GND, DI (IO0), CLK, /HOLD or /RESET (IO3), and VCC. This compact footprint supports high-density PCB layouts while maintaining full Quad SPI and DTR functionality.
Does the W25Q512NWBIM support 4-byte addressing, and how is it enabled?
Yes, the W25Q512NWBIM supports both 3-byte and 4-byte addressing modes. The ADP bit in Status Register-1 defines the power-up default mode, and the ADS bit indicates the current mode. The Enter 4-Byte Address Mode instruction (B7h) activates 4-byte mode dynamically, enabling access to the full 512Mb address space beyond the 16MB limit of 3-byte addressing.
How does the Quad Enable (QE) bit affect pin functionality on the W25Q512NWBIM?
The QE bit (bit 1 of Status Register-2) must be set to '1' to enable Quad SPI operation. When QE=1, the /WP pin becomes IO2 and the /HOLD pin becomes IO3. If QE=0, those pins retain their hardware protection functions. This reassignment is non-volatile and persists across power cycles unless explicitly cleared.
Is hardware reset (/RESET) available on the W25Q512NWBIM in the WSON package?
No - the dedicated /RESET pin is not present in the 8-pad WSON package (including W25Q512NWBIM). Hardware reset is only available on SOIC-16, TFBGA, and WLCSP packages. For WSON variants, system-level reset must be managed via software reset instructions (66h/99h) or power cycling.
What distinguishes DTR (Double Transfer Rate) operation in the W25Q512NWBIM from standard Quad SPI?
DTR mode samples data on both rising and falling edges of the clock, doubling the effective data rate compared to standard Quad SPI at the same clock frequency. For example, at 133MHz, DTR achieves 532 MB/s vs. 266 MB/s in non-DTR Quad I/O - critical for minimizing boot time in latency-sensitive applications like automotive ADAS.
Can the W25Q512NWBIM be used for secure boot with cryptographic key storage?
Yes - the W25Q512NWBIM includes three 256-byte Security Registers with OTP (One-Time Programmable) lock bits, plus a factory-programmed 64-bit Unique ID. These features enable tamper-resistant storage of cryptographic keys, certificates, and boot signatures - supporting secure boot chains compliant with PSA Certified and Common Criteria requirements.
W25Q512NWBIM Specifications
- Product attributes
- Attribute value
- Manufacturer:
- Winbond Electronics Corporation
- Series:
- SpiFlash®
- Package/Case:
- 24-TBGA
- Packaging:
- Tray
- 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)
W25Q512NWBIM FAQ
1.How can I place an order for W25Q512NWBIM through Aetrix?
Please submit a Request for Quotation (RFQ) for W25Q512NWBIM 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 W25Q512NWBIM reliable?
The price and inventory of W25Q512NWBIM are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for W25Q512NWBIM is usually 5 days.
3.What payment methods are accepted for W25Q512NWBIM?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for W25Q512NWBIM transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for W25Q512NWBIM?
W25Q512NWBIM orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your W25Q512NWBIM 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 W25Q512NWBIM?
For technical support, including W25Q512NWBIM datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your W25Q512NWBIM requirements.
6.How does Aetrix verify that W25Q512NWBIM is sourced from the original manufacturer or authorized distributors?
All W25Q512NWBIM 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 W25Q512NWBIM meets industry standards.
7.What is the process for return or replacement of W25Q512NWBIM?
All W25Q512NWBIM units undergo pre-shipment inspection (PSI). If there is an issue with W25Q512NWBIM, 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 W25Q512NWBIM part is unused and in its original packaging.
Return procedure for W25Q512NWBIM:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
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