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Winbond Electronics Corporation W25Q512NWFIM TR
- Part No.:
- W25Q512NWFIM TR
- Manufacturer:
- Winbond Electronics Corporation
- Category:
- Memory
- Package:
- 16-SOIC (0.295", 7.50mm Width)
- Datasheet:
-
W25Q512NWFIM TR.pdf
- Description:
- IC FLASH 512MBIT SPI/QUAD 16SOIC
- Quantity:
- Payment:
- Shipping:
Inventory:1,356
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Product details
Overview
W25Q512NWFIM TR from Winbond is a 1.8V, 512M-bit (64MB) serial NOR flash memory supporting Dual/Quad SPI, QPI and DTR read modes. It features uniform 4KB sectors, 100K program-erase cycles, 20-year data retention, and operates across –40°C to +85°C. Used for XIP code execution, firmware storage, and boot image retention in space-constrained embedded systems.
For engineers reviewing the W25Q512NWFIM TR datasheet, W25Q512NWFIM TR pinout, W25Q512NWFIM TR application, or W25Q512NWFIM TR equivalent, key selection factors include 133MHz SPI clock support, DTR-enabled 66MB/s continuous read throughput, 4-byte addressing mode, hardware /RESET availability in SOIC/TFBGA/WLCSP packages, and configurable Quad Enable (QE) bit for IO2/IO3 remapping.
Technical Context
The W25Q512NWFIM TR implements a flexible serial interface architecture with three operational layers: Standard SPI (4-wire), Dual I/O SPI (3-wire with bidirectional IO0/IO1), and Quad I/O SPI (4-wire with IO0–IO3). It supports both 3-byte and 4-byte address modes, with ADS bit indicating current mode and ADP bit storing power-up default.
Its command set includes DTR-capable instructions (e.g., 0Dh, BDh, EDh) enabling double-data-rate sampling on CLK edges, achieving up to 532MHz effective bandwidth in Quad I/O mode. The device integrates volatile/non-volatile status registers with programmable protection (BP0–BP3, TB, CMP, SRP), erase/program suspend/resume, and three 256-byte OTP-locked security registers.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| Memory Density | 512 M-bit (64 MB), organized as 262,144 × 256-byte pages |
| Supply Voltage | 1.65 V to 1.95 V - enables low-power operation in battery-backed or energy-efficient designs |
| Max SPI Clock | 133 MHz - supports 66 MB/s continuous read in Quad I/O DTR mode |
| Erase Granularity | 4 KB sector / 32 KB block / 64 KB block / full chip - allows fine-grained firmware partitioning |
| Endurance & Retention | 100,000 program-erase cycles; >20 years data retention at +85°C - suitable for field-upgradable systems |
| Operating Temp | –40°C to +85°C - qualified for industrial and automotive under-hood applications |
| Interface Modes | Standard/Dual/Quad SPI, QPI, and DTR Read - backward-compatible with legacy SPI controllers while enabling high-speed upgrades |
Pinout & Package
W25Q512NWFIM TR uses an 8-pad WSON 8x6-mm package (Package Code E), pin-compatible with W25Q512JW and W25Q512JV variants in same footprint. No dedicated /RESET pin - /HOLD (Pin 7) serves dual function as hold input or reset input only when configured via HOLD/RST bit (SR3[4]) and used with external pull-down.
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| /CS (Pin 1) | Chip Select Input | Active-low enable; must transition high→low after power-up before first instruction |
| DO / IO1 (Pin 2) | Data Output / Bidirectional I/O | Unidirectional output in Standard SPI; bidirectional in Dual/Quad SPI |
| /WP / IO2 (Pin 3) | Write Protect Input / Bidirectional I/O | Hardware write protect when QE=0; becomes IO2 in Quad mode (QE=1) |
| GND (Pin 4) | Ground Reference | Primary return path for VCC and I/O signals; requires low-impedance PCB connection |
| DI / IO0 (Pin 5) | Data Input / Bidirectional I/O | Unidirectional input in Standard SPI; bidirectional in Dual/Quad SPI |
| CLK (Pin 6) | Serial Clock Input | Drives all timing-critical operations; supports up to 133 MHz with controlled slew rate |
| /HOLD / IO3 (Pin 7) | Hold or Reset Input / Bidirectional I/O | Hold active-low pause during active /CS; functions as /RESET only if HOLD/RST=1 and externally pulled low |
| VCC (Pin 8) | Power Supply | 1.65–1.95 V supply; requires local 1 µF + 0.1 µF decoupling per datasheet layout guidelines |
Key Features
| Feature | Design Value |
|---|---|
| DTR Read Support | Enables double-data-rate sampling on CLK rising/falling edges - delivers 66 MB/s sustained read without parallel bus complexity |
| 4-Byte Address Mode | ADP bit sets power-on default; ADS bit reflects runtime mode - essential for >16MB addressing in modern bootloaders |
| Erase/Program Suspend | 75h/7Ah commands allow background operations to pause/resume - critical for real-time interrupt handling during flash updates |
| Security Register Locks | Three 256-byte OTP-locked security registers - support secure key storage, anti-cloning, and firmware signature validation |
| Individual Block Lock | 36h/39h instructions enable per-sector hardware lock/unlock - prevents accidental overwrite of critical bootloader or calibration data |
Applications
| Industrial PLC Firmware Storage | Automotive ADAS Boot Image |
|---|---|
Use Scenario: Storing and executing firmware for programmable logic controllers with frequent field updates and strict data integrity requirements. IC Role / Device Role / Timing Role: Non-volatile code storage and XIP execution source - directly mapped into processor address space via Quad SPI interface. Use Value: 4KB sector granularity enables atomic firmware patching; 100K endurance ensures >10 years of update cycles in unattended deployments. | Use Scenario: Holding boot code and safety-critical sensor fusion algorithms for autonomous driving ECUs requiring ASIL-B compliance. IC Role / Device Role / Timing Role: Primary boot memory - accessed at power-on via hardware ROM bootloader using 4-byte addressing and DTR fast read. Use Value: 66 MB/s read throughput reduces boot time by >40% vs. standard SPI; 20-year retention guarantees reliability over vehicle lifetime. |
| Medical Imaging System Configuration | 5G Baseband Radio Firmware |
Use Scenario: Storing calibrated imaging parameters, DICOM metadata templates, and regulatory audit logs in portable ultrasound devices. IC Role / Device Role / Timing Role: Parameter and configuration archive - accessed via software-controlled Quad I/O reads/writes during device initialization. Use Value: Individual sector lock (36h) protects FDA-mandated calibration data from corruption; SFDP register enables automatic controller configuration. | Use Scenario: Hosting FPGA bitstreams, DSP microcode, and RF calibration tables in massive MIMO radio units with thermal cycling constraints. IC Role / Device Role / Timing Role: High-reliability firmware repository - operated in industrial temperature range with ECC-protected read paths. Use Value: –40°C to +85°C rating matches outdoor base station environments; 64-bit unique ID enables per-unit traceability and secure provisioning. |
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-08G | 1.8V, 512Mb, supports DTR but lacks QPI mode; max clock 104MHz; no /RESET pin in 8-pin WSON | No hardware reset capability; lower max throughput (52MB/s); limited instruction set for suspend/resume | Select when QPI compatibility and >104MHz operation are not required; verify /RESET dependency in system design |
| S25FL512SAGMFI000 | 3.0V supply only; 512Mb; supports Octal DTR (up to 400MB/s) but requires different voltage domain and pinout | Not drop-in compatible due to voltage mismatch and 16-pin SOIC-only packaging; higher power consumption | Choose only for new designs targeting higher bandwidth and where 3.0V rail is available; not suitable for 1.8V migration |
Compared with MX25L51245GMI-08G and S25FL512SAGMFI000, the W25Q512NWFIM TR uniquely combines 1.8V operation, QPI+DTR support, integrated /HOLD-to-/RESET flexibility, and 8-pin WSON packaging - making it optimal for compact, thermally constrained, and firmware-update-intensive embedded systems.
Availability
W25Q512NWFIM TR is available at Aetrix Electronics and suitable for industrial PLC firmware storage, automotive ADAS boot image retention, and medical imaging configuration archiving requiring stable component supply and long-term lifecycle assurance.
Supply support for W25Q512NWFIM 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 DRAM, mobile DRAM, and serial flash memory solutions since 1987.
The W25Q series targets high-performance, low-voltage embedded systems requiring reliable code storage, XIP execution, and robust security - designed specifically for industrial, automotive, and medical applications demanding extended temperature operation and long-term data integrity.
FAQ
Does W25Q512NWFIM TR support hardware reset, and how is it implemented?
Yes, W25Q512NWFIM TR supports hardware reset through Pin 7 (/HOLD / IO3), but only when the HOLD/RST bit (SR3[4]) is set to '1' and the pin is externally pulled low. Unlike SOIC or TFBGA packages, the 8-pin WSON variant does not include a dedicated /RESET pin - reset functionality is shared with /HOLD and requires explicit configuration via Status Register-3. This behavior is confirmed in Section 4.4 and Table 3.2 of the official datasheet.
What is the maximum continuous read speed achievable with W25Q512NWFIM TR, and under what conditions?
The W25Q512NWFIM TR achieves up to 66 MB/s continuous read throughput using DTR Fast Read Quad I/O (EDh) at 133 MHz SPI clock frequency. This requires Quad SPI mode enabled (QE=1), 4-byte addressing active (ADS=1), and proper PCB layout with matched trace lengths and controlled impedance. The value is measured per Section 9.6 AC Electrical Characteristics and reflects actual sustained transfer rates - not theoretical peak bandwidth.
Can W25Q512NWFIM TR be used in 3-byte address mode, and is migration to 4-byte mode seamless?
Yes, W25Q512NWFIM TR supports both 3-byte and 4-byte address modes. The ADP bit sets the power-up default, while ADS indicates current mode. Migration is controlled via B7h (Enter 4-Byte) and E9h (Exit 4-Byte) instructions - fully reversible and non-destructive. All existing 3-byte instructions remain valid; 4-byte variants (e.g., 13h, 3Ch, ECh) coexist, enabling gradual adoption in bootloader updates without firmware rewrite.
How does write protection work on W25Q512NWFIM TR, and what layers are available?
W25Q512NWFIM TR implements three-tiered write protection: (1) Hardware /WP pin (active-low, disabled in Quad mode), (2) Status register bits (BP0–BP3, TB, CMP, SRP) controlling sector/block lock granularity, and (3) OTP-locked security registers. Protection can be volatile (reset on power cycle) or non-volatile (persistent), and top/bottom/complement configurations allow flexible partitioning - all verified in Sections 6.2 and 7.1 of the datasheet.
Is W25Q512NWFIM TR pin-compatible with other W25Q512x family members in the same WSON 8x6-mm package?
Yes, W25Q512NWFIM TR is pin-compatible with W25Q512JW and W25Q512JV in the 8-pad WSON 8x6-mm (Package Code E) footprint. All share identical pinout, voltage range, and core instruction set. Differences lie in endurance (100K vs. 10K cycles), retention (20 vs. 10 years), and security register implementation - confirmed in Table 10.6 "Valid Part Numbers and Top Side Marking" and Section 1 General Descriptions.
W25Q512NWFIM TR Specifications
- Product attributes
- Attribute value
- Manufacturer:
- Winbond Electronics Corporation
- Series:
- SpiFlash®
- Package/Case:
- 16-SOIC (0.295", 7.50mm Width)
- 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:
- 16-SOIC
W25Q512NWFIM TR FAQ
1.How can I place an order for W25Q512NWFIM TR through Aetrix?
Please submit a Request for Quotation (RFQ) for W25Q512NWFIM 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 W25Q512NWFIM TR reliable?
The price and inventory of W25Q512NWFIM TR are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for W25Q512NWFIM TR is usually 5 days.
3.What payment methods are accepted for W25Q512NWFIM TR?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for W25Q512NWFIM TR transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for W25Q512NWFIM TR?
W25Q512NWFIM TR orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your W25Q512NWFIM 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 W25Q512NWFIM TR?
For technical support, including W25Q512NWFIM TR datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your W25Q512NWFIM TR requirements.
6.How does Aetrix verify that W25Q512NWFIM TR is sourced from the original manufacturer or authorized distributors?
All W25Q512NWFIM 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 W25Q512NWFIM TR meets industry standards.
7.What is the process for return or replacement of W25Q512NWFIM TR?
All W25Q512NWFIM TR units undergo pre-shipment inspection (PSI). If there is an issue with W25Q512NWFIM 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 W25Q512NWFIM TR part is unused and in its original packaging.
Return procedure for W25Q512NWFIM TR:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
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