My Inquiry
My Account
Winbond Electronics Corporation W25N512GVFIT
- Part No.:
- W25N512GVFIT
- Manufacturer:
- Winbond Electronics Corporation
- Category:
- Memory
- Package:
- 16-SOIC (0.295", 7.50mm Width)
- Datasheet:
-
W25N512GVFIT.pdf
- Description:
- IC FLASH 512MBIT SPI/QUAD 16SOIC
- Quantity:
- Payment:
- Shipping:
Inventory:2,230
Please send an inquiry. Send us your inquiry, and we will respond immediately.
Product details
Overview
W25N512GVFIT from Winbond is a 512M-bit (64MB) Serial SLC NAND Flash memory with Dual/Quad SPI interface, organized as 32,768 × 2,048-byte pages and 512 uniform 128KB erase blocks. It supports 166MHz SPI clocking (332MHz Dual I/O, 664MHz Quad I/O), delivers up to 50MB/s continuous read throughput in Continuous Read Mode, and operates from 2.7V–3.6V across –40°C to +85°C. It is used for code shadowing, XIP execution, and firmware/data storage in space-constrained embedded systems.
For engineers reviewing the W25N512GVFIT datasheet, W25N512GVFIT pinout, W25N512GVFIT application, or W25N512GVFIT equivalent, key selection considerations include buffer vs. continuous read mode behavior (BUF=1 default), on-chip 1-bit ECC support, hardware/software write protection via /WP and /HOLD, and compatibility with standard, dual, and quad SPI instruction sets including Fast Read Quad I/O (6Bh/6Ch) and Deep Power-Down (B9h).
Technical Context
The W25N512GVFIT implements a true NAND architecture with page-based programming (2,048-byte internal buffer), block-level erasure (128KB), and integrated bad block management via LUT access (A5h). Its dual-mode read architecture-Buffer Read (default on FIT variant) and Continuous Read-enables flexible data streaming without repeated page addressing.
It features three volatile/OTP-configurable status registers: SR-1 (protection bits BP3–BP0, WP-E, SRP1/SRP0), SR-2 (ECC-E, BUF, ODS-1/ODS-0, H-DIS, OTP-L), and SR-3 (ECC-1/ECC-0, P-FAIL/E-FAIL, BUSY). All SPI instructions-including 4-byte addressing variants (0Ch, 3Ch, 6Ch, BCh, ECh)-are supported, with dedicated commands for OTP page access (OTP-E=1), unique ID read (A9h), and BBM table management (A1h/A5h).
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| Memory Density | 512 M-bit (64 MB), organized as 32,768 pages × 2,048 bytes, 512 blocks × 128 KB |
| Interface | Standard/Dual/Quad SPI with CLK, /CS, IO0–IO3; supports all JEDEC-compliant SPI commands |
| Max Clock Frequency | 166 MHz (standard), enabling 332 MHz effective dual-I/O and 664 MHz quad-I/O data rates |
| Read Throughput | Up to 50 MB/s in Continuous Read Mode-single command accesses full array without page re-addressing |
| ECC & Reliability | On-chip 1-bit ECC per 528-byte sector; ECC status bits (ECC-1/ECC-0) report correction success/failure |
| Endurance & Retention | 100,000 program/erase cycles; 10-year data retention at +85°C |
| Power Supply | Single 2.7 V–3.6 V supply; 25 mA active, 10 µA standby, 1 µA deep power-down current |
| Operating Temp | –40°C to +85°C (industrial grade); FIT suffix confirms industrial temperature qualification |
Pinout & Package
W25N512GVFIT is supplied in an 8-pad WSON 6×5-mm package (Package Code P), with exposed pad thermal enhancement. Pin functions are fully compatible across WSON, SOIC, and TFBGA variants per datasheet Figures 1a–1c.
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| /CS | Chip Select Input | Active-low enable; device enters standby when high; must transition high→low before new instruction acceptance |
| DI (IO0) | Serial Data Input / Bidirectional I/O | Input for Standard SPI; bidirectional for Dual/Quad SPI; carries instructions, addresses, and program data |
| DO (IO1) | Serial Data Output / Bidirectional I/O | Output for Standard SPI; bidirectional for Dual/Quad SPI; returns status, ID, and read data |
| /WP (IO2) | Write Protect Input / Bidirectional I/O | Hardware lock for Status Register when WP-E=1; serves as IO2 in Quad SPI when WP-E=0 |
| /HOLD (IO3) | Hold Input / Bidirectional I/O | Suspends ongoing serial transfer without deselecting device; serves as IO3 in Quad SPI |
| CLK | Serial Clock Input | Drives all SPI timing; rising edge latches input, falling edge samples output; supports up to 166 MHz |
| GND | Ground Reference | Primary return path for all I/O and core logic; requires low-impedance PCB connection |
| VCC | Power Supply | 2.7 V–3.6 V single supply; decoupling capacitor required per datasheet layout guidelines |
Key Features
| Feature | Design Value |
|---|---|
| Continuous Read Mode (BUF=1 default) | Enables full-array sequential access with one Read command-eliminates need for repeated Page Data Read (13h) and address updates |
| On-chip 1-bit ECC | Automatically corrects single-bit errors per 528-byte sector; status bits (ECC-1/ECC-0) indicate correction occurrence and failure |
| Bad Block Management (BBM) | Hardware-accelerated LUT-based invalid block tracking; accessible via A1h (manage) and A5h (read) instructions |
| Flexible Write Protection | Combines software (BP3–BP0, SRP1/SRP0) and hardware (/WP pin) control; OTP-lockable protection register |
| OTP & Unique ID Pages | Ten 2KB OTP pages (write-once), one 2KB Unique ID page, and one 2KB parameter page for system-specific configuration storage |
| Deep Power-Down (B9h) | Reduces current to 1 µA; wake-up via /CS pulse; retains all register and memory state without data loss |
Applications
| Industrial HMI Firmware Storage | Medical Device Boot Image |
|---|---|
|
Use Scenario: Storing boot firmware and UI assets in panel-mounted HMIs with limited PCB area and no external RAM. IC Role / Device Role / Timing Role: Primary non-volatile code storage; executes XIP directly via Quad SPI Fast Read (6Bh) at ≤166 MHz. Use Value: 50 MB/s Continuous Read Mode enables rapid GUI asset loading; 100K-cycle endurance supports field firmware updates over 10+ years. |
Use Scenario: Holding certified bootloader and diagnostic firmware in Class II medical devices requiring traceable, tamper-resistant storage. IC Role / Device Role / Timing Role: Secure boot source with OTP pages storing cryptographic keys and parameter page holding calibration data. Use Value: Hardware /WP pin + OTP-lockable SRP bits prevent unauthorized register modification; -40°C to +85°C rating ensures operation in sterilization environments. |
| Smart Meter Firmware Archive | Edge Gateway Configuration Store |
|
Use Scenario: Archiving firmware revisions and tariff tables in utility smart meters deployed in outdoor enclosures. IC Role / Device Role / Timing Role: Field-upgradable firmware repository with BBM handling NAND wear-out across 15-year deployments. Use Value: On-chip ECC and LUT-based BBM eliminate need for host-side error management logic; 10-year data retention meets regulatory archiving requirements. |
Use Scenario: Storing network profiles, TLS certificates, and OTA update metadata in cellular-connected industrial gateways. IC Role / Device Role / Timing Role: Persistent configuration store accessed via Dual SPI during boot and runtime; uses /HOLD to pause transfers during RF interference. Use Value: /HOLD functionality maintains SPI transaction integrity during wireless transmission bursts; 2.7–3.6 V range matches wide-input PMIC outputs. |
Equivalent & Alternatives
The following parts are listed as comparable options for similar Serial NAND Flash applications.
| Alternative Part | Technical Difference | Application Difference | Selection Advice |
|---|---|---|---|
| W25N512GVFIM | Same die, 16-pin SOIC 300-mil package (Code F); no /WP or /HOLD pins routed-uses IO2/IO3 only in Quad mode | Lacks hardware write protect and hold suspend; suited for cost-sensitive designs where software-only protection suffices | Select W25N512GVFIM only if PCB layout constraints require SOIC and /WP+/HOLD functionality is unnecessary |
| MT29F512G08CFAAAWP-IT:F | Micron 512Gb SLC NAND with ONFI 2.3 interface; parallel x8 bus, not SPI; requires NAND controller | Demands external ECC engine and complex bad-block management; incompatible with SPI-only hosts | Choose MT29F512G08CFAAAWP-IT:F only when migrating from legacy parallel NAND and adding a dedicated NAND controller |
Compared with W25N512GVFIT, W25N512GVFIM sacrifices hardware protection for through-hole assembly simplicity, while MT29F512G08CFAAAWP-IT:F replaces SPI integration with higher raw bandwidth at the cost of host complexity and board-level design overhead.
Availability
W25N512GVFIT is available at Aetrix Electronics and suitable for industrial HMI firmware storage, medical device boot image retention, and smart meter firmware archiving requiring stable component supply, long-term lifecycle assurance, and guaranteed industrial temperature compliance.
Supply support for W25N512GVFIT 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 SPI NOR/NAND flash, PSRAM, and audio codecs, serving industrial, automotive, and consumer markets since 1987.
The W25N SpiFlash family was designed to bring NAND density and cost efficiency to SPI-based microcontroller platforms-enabling direct XIP execution, code shadowing, and high-capacity data logging without requiring a dedicated NAND controller.
FAQ
What is the default read mode for W25N512GVFIT after power-up?
W25N512GVFIT powers up with Buffer Read Mode enabled (BUF bit = 1 in Status Register-2). This means the device expects Page Data Read (13h) commands before reading page data. Continuous Read Mode (BUF = 0) must be explicitly configured via Write Status Register (1Fh) to enable single-command full-array access.
Does W25N512GVFIT support Quad SPI commands with 4-byte addressing?
Yes, W25N512GVFIT supports all major Quad SPI instructions with 4-byte addressing, including Fast Read Quad I/O (ECh), Quad Load Program Data (34h), and Fast Read Quad Output (6Ch). These commands are required for accessing memory beyond the 16MB boundary and are fully documented in Section 8.2 of the datasheet.
How does the on-chip ECC in W25N512GVFIT function during read operations?
W25N512GVFIT applies 1-bit ECC correction automatically during every page read. The cumulative ECC status bits (ECC-1/ECC-0 in Status Register-3) indicate whether zero, one, or multiple uncorrectable errors occurred in the most recent read. No host intervention is needed for correction, but status bits allow firmware to log or flag marginal sectors.
Can the /WP and /HOLD pins on W25N512GVFIT be used simultaneously in Quad SPI mode?
No. In Quad SPI mode, IO2 and IO3 are repurposed as data lines (IO2, IO3), disabling their /WP and /HOLD functions. Hardware write protection and hold suspend are only available in Standard or Dual SPI modes. The WP-E bit in Status Register-1 controls this functional mapping.
What package type is indicated by the 'T' in W25N512GVFIT?
The 'T' in W25N512GVFIT denotes the 8-pad WSON 6×5-mm package (Package Code P), with industrial temperature range (–40°C to +85°C) and tape-and-reel packaging. The 'I' confirms industrial temp grade, and 'F' indicates RoHS-compliant finish-fully consistent with Winbond's ordering nomenclature in Section 12.1.
W25N512GVFIT Specifications
- Product attributes
- Attribute value
- Manufacturer:
- Winbond Electronics Corporation
- Series:
- SpiFlash®
- Package/Case:
- 16-SOIC (0.295", 7.50mm Width)
- Packaging:
- Tray
- Product Status:
- Active
- Programmable:
- Not Verified
- Memory Type:
- Non-Volatile
- Memory Format:
- FLASH
- Technology:
- FLASH - NAND (SLC)
- Memory Size:
- 512Mbit
- Memory Organization:
- 64M x 8
- Memory Interface:
- SPI - Quad I/O
- Clock Frequency:
- 166 MHz
- Write Cycle Time - Word, Page:
- 700µs
- Access Time:
- 7 ns
- Voltage - Supply:
- 2.7V ~ 3.6V
- Operating Temperature:
- -40°C ~ 85°C (TA)
- Grade:
- -
- Qualification:
- -
- Mounting Type:
- Surface Mount
- Supplier Device Package:
- 16-SOIC
W25N512GVFIT FAQ
1.How can I place an order for W25N512GVFIT through Aetrix?
Please submit a Request for Quotation (RFQ) for W25N512GVFIT 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 W25N512GVFIT reliable?
The price and inventory of W25N512GVFIT are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for W25N512GVFIT is usually 5 days.
3.What payment methods are accepted for W25N512GVFIT?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for W25N512GVFIT transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for W25N512GVFIT?
W25N512GVFIT orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your W25N512GVFIT 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 W25N512GVFIT?
For technical support, including W25N512GVFIT datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your W25N512GVFIT requirements.
6.How does Aetrix verify that W25N512GVFIT is sourced from the original manufacturer or authorized distributors?
All W25N512GVFIT 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 W25N512GVFIT meets industry standards.
7.What is the process for return or replacement of W25N512GVFIT?
All W25N512GVFIT units undergo pre-shipment inspection (PSI). If there is an issue with W25N512GVFIT, 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 W25N512GVFIT part is unused and in its original packaging.
Return procedure for W25N512GVFIT:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
W25N512GVFIT Tags
-
M24C02-WMN6TP
STMicroelectronics
-
AT24C02C-XHM-T
Microchip Technology
-
AT21CS01-STUM10-T
Microchip Technology
-
AT24C02C-SSHM-T
Microchip Technology
-
24LC01BT-I/OT
Microchip Technology
-
M24C02-FMC6TG
STMicroelectronics
-
AT24CS02-SSHM-T
Microchip Technology
-
93LC46BT-I/OT
Microchip Technology
-
AT24C04C-SSHM-T
Microchip Technology
-
24LC01BT-I/SN
Microchip Technology
-
24AA02UIDT-I/OT
Microchip Technology
-
AT24C08C-STUM-T
Microchip Technology
Tech Hub
Counterfeit components can hide behind convincing markings and passing basic function tests. This engineering reference covers source traceability, external inspection, X-ray, XRF, electrical testing, …
A practical engineering and sourcing framework covering lifecycle verification, lifetime-buy calculations, replacement qualification, supplier checks and counterfeit-risk controls.
TTL and CMOS logic families differ in thresholds, loading, output drive, power and timing. This engineering guide compares 74HC and 74HCT, calculates noise margins and checks 3.3 V/5 V compatibility.
A practical engineering guide to 3.3V and 5V logic compatibility, input thresholds, resistor dividers, translator ICs, MOSFET level shifting, I2C pull-ups, timing limits and power-sequencing risks.
The 74HC595 uses push-pull logic outputs, while the TPIC6B595 uses 50 V open-drain DMOS sinks for higher-power loads. This guide compares timing, current limits, 3.3 V interfacing, load wiring, thermal…
The 74HC595 converts serial data into eight stable parallel outputs. This guide covers pin functions, shift and storage timing, OE and MR behavior, drive-current limits, cascading, voltage compatibilit…
A technical comparison of level-sensitive latches and edge-triggered flip-flops, covering timing windows, setup and hold limits, master–slave operation, time borrowing, race-through, HDL inference and…
A D latch stores one bit while Enable controls when data can pass. This reference covers gate-level operation, truth tables, transparency, setup and hold timing, LE versus OE, common ICs and practical …
An SR latch stores one bit through cross-coupled feedback. This engineering reference covers NOR and NAND implementations, truth tables, forbidden-state recovery, gated operation, switch debouncing, fa…
Latch circuits retain one bit through feedback. This technical reference covers SR and D latches, truth tables, transparency, timing limits, latch-versus-flip-flop behavior, applications and common log…
