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Winbond Electronics Corporation W25N01GVTBIT
- Part No.:
- W25N01GVTBIT
- Manufacturer:
- Winbond Electronics Corporation
- Category:
- Memory
- Package:
- 24-TBGA
- Datasheet:
-
W25N01GVTBIT.pdf
- Description:
- IC FLASH 1GBIT SPI/QUAD 24TFBGA
- Quantity:
- Payment:
- Shipping:
Inventory:1,666
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Product details
Overview
W25N01GVTBIT from Winbond is a 1G-bit (128MB) Serial SLC NAND Flash memory with Dual/Quad SPI interface, organized as 65,536 × 2,048-byte pages and 1,024 × 128KB uniform erase blocks. It supports 104MHz SPI clocking (208MHz Dual I/O, 416MHz Quad I/O), 50MB/s continuous read transfer, on-chip 1-bit ECC, and hardware/software write protection. It is used in embedded boot code storage, firmware update partitions, and industrial HMI data logging.
For engineers reviewing the W25N01GVTBIT datasheet, W25N01GVTBIT pinout, W25N01GVTBIT application, or W25N01GVTBIT equivalent, key selection considerations include its default Continuous Read Mode (BUF=0), SOIC 300-mil package with /HOLD on Pin 1, 2.7–3.6V single-supply operation, and support for JEDEC ID, Unique ID, and ten 2KB OTP pages.
Technical Context
The W25N01GVTBIT implements a standard SPI-compatible command set extended for Dual/Quad I/O modes, with separate instruction tables for Buffer Read (BUF=1) and Continuous Read (BUF=0) power-up defaults. Its architecture includes three status registers (SR-1 volatile/OTP-lockable, SR-2 volatile, SR-3 read-only) governing block protection, ECC enable, OTP access, and cumulative ECC failure reporting.
It integrates internal bad block management with a Look-Up Table (LUT), supports 128KB block erase only (no page or partial-block erase), and uses a 2,048-byte internal buffer for full-page programming. The device requires explicit Write Enable (06h) before any register or memory write, and reports BUSY status during erase/program cycles via SR-3.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| Memory Density | 1 G-bit (128 M-byte), organized as 65,536 pages × 2,048 bytes |
| Interface | Dual/Quad SPI with CLK, /CS, IO0–IO3; supports Fast Read Quad I/O up to 104MHz |
| Read Throughput | 50 MB/s continuous data transfer in Continuous Read Mode (BUF=0) |
| Erase Unit | Uniform 128 KB blocks (1,024 total blocks); no smaller erase granularity |
| ECC | On-chip 1-bit ECC per 528-byte sector; status bits (ECC-1/ECC-0) report correction events |
| Write Protection | Hardware (/WP pin active-low when WP-E=1) and software (BP3–BP0 + SRP1/SRP0 bits) |
| Operating Voltage | 2.7 V to 3.6 V single supply; 25 mA active current, 10 µA standby |
| Temperature Range | –40°C to +85°C industrial grade operation |
Pinout & Package
W25N01GVTBIT is packaged in 16-pin SOIC 300-mil (package code SF), with /HOLD assigned to Pin 1, VCC to Pin 2, and /CS to Pin 7 - matching the standard SOIC pinout defined in Winbond's datasheet Figure 1b and Section 3.4.
| Pin | Circuit Role | Design Meaning |
|---|---|---|
| 1 | /HOLD (IO3) | Active-low hold input; pauses ongoing SPI transaction while /CS is low; serves as IO3 in Quad SPI mode |
| 2 | VCC | Primary power supply (2.7–3.6 V); decoupling capacitor required near this pin |
| 7 | /CS | Chip select input; must transition high→low after power-up to accept new instructions |
| 8 | DO (IO1) | Data output in Standard/Dual SPI; bidirectional IO1 in Dual/Quad SPI; high-impedance when /CS high |
| 9 | /WP (IO2) | Write protect input; controls SR-1 lock when WP-E=1; serves as IO2 in Quad SPI when WP-E=0 |
| 10 | GND | Ground reference for all I/O and core logic; must be low-impedance connection |
| 15 | DI (IO0) | Data input in Standard SPI; bidirectional IO0 in Dual/Quad SPI; sampled on CLK rising edge |
| 16 | CLK | Serial clock input; drives all timing-critical operations; max 104 MHz frequency |
Key Features
| Feature | Design Value |
|---|---|
| Continuous Read Mode (BUF=0) | Enables direct sequential access across entire array without repeated Page Data Read commands - critical for XIP and streaming firmware loads |
| Configurable ECC Enable (ECC-E bit) | Allows runtime enable/disable of on-chip 1-bit error correction per 528-byte sector - reduces latency when ECC not required |
| OTP Lock Capability | Supports one-time programmable lock of protection register bits (BP3–BP0, WP-E, SRP1/SRP0) and configuration register bits (OTP-L, SR1-L) |
| Bad Block Management (BBM) | Includes dedicated BBM instruction (A1h) and LUT access (A5h) for host-managed invalid block tracking - eliminates need for external mapping table |
| Unique ID & Parameter Pages | Provides factory-programmed 2KB Unique ID page and user-writable 2KB parameter page for system-level identification and calibration data storage |
| 10 × 2KB OTP Pages | Offers 20KB of one-time programmable memory for secure keys, certificates, or immutable firmware metadata - accessible only when OTP-E=1 |
Applications
| Industrial PLC Firmware Storage | Medical Device Boot Image |
|---|---|
Use Scenario: Storing bootloader and primary firmware images in programmable logic controllers where field updates must preserve integrity across power cycles. IC Role / Device Role / Timing Role: Non-volatile code storage with hardware write protection enabled via /WP and BP bits to prevent accidental overwrite during runtime. Use Value: 10-year data retention and >100,000 program/erase cycles ensure long-term reliability in unattended deployments without maintenance windows. | Use Scenario: Holding certified boot code and regulatory-compliant configuration data in Class II medical imaging equipment requiring traceable firmware versions. IC Role / Device Role / Timing Role: Secure storage partition using OTP pages for digital signatures and parameter page for calibration coefficients - both locked post-production. Use Value: On-chip 1-bit ECC and cumulative ECC status reporting (ECC-1/ECC-0) provide real-time detection of bit rot in safety-critical boot assets. |
| Smart Energy Meter Data Logging | Automotive Infotainment OTA Cache |
Use Scenario: Recording time-stamped consumption logs and event flags in utility-grade smart meters operating at –40°C to +85°C ambient. IC Role / Device Role / Timing Role: High-endurance NAND flash with 128KB block erase granularity optimized for cyclic log rotation and wear leveling by host controller. Use Value: Continuous Read Mode enables rapid retrieval of multi-day logs without command overhead - reducing MCU CPU load during diagnostics. | Use Scenario: Caching over-the-air (OTA) firmware packages in automotive head units prior to validated installation, requiring fast sequential read and tamper resistance. IC Role / Device Role / Timing Role: High-throughput serial NAND acting as intermediate staging buffer between CAN FD gateway and application processor - leveraging 50 MB/s read speed. Use Value: Dual/Quad SPI interface allows bandwidth scaling beyond legacy SPI NOR limits while maintaining pin count compatibility with existing PCB layouts. |
Equivalent & Alternatives
The following parts are listed as comparable options for similar serial NAND flash applications.
| Alternative Part | Technical Difference | Application Difference | Selection Advice |
|---|---|---|---|
| MT29F1G08ABAEAH4-IT:E | 1Gb SLC NAND, x8 parallel interface, no SPI; requires 48-pin TSOP package and external controller for command translation | Designed for legacy controllers with NAND interface engines; lacks integrated SPI protocol handling and on-die ECC | Select only if host SoC provides native NAND controller and board layout supports wider bus and higher pin count |
| GD5F1GQ4UCYIGR | 1Gb SLC NAND, Quad SPI, but uses ONFI-like command set; no Continuous Read Mode; ECC handled externally | Targeted at cost-sensitive consumer electronics; lacks OTP pages, Unique ID, and configurable BUF mode | Prefer when lowest BOM cost is critical and host firmware can manage ECC and bad block remapping without hardware assist |
Compared with MT29F1G08ABAEAH4-IT:E and GD5F1GQ4UCYIGR, the W25N01GVTBIT delivers SPI-native integration, on-chip ECC, and Continuous Read Mode - reducing host processing load and enabling direct firmware execution in space-constrained industrial designs.
Availability
W25N01GVTBIT is available at Aetrix Electronics and suitable for industrial PLC firmware storage, medical device boot image retention, and smart energy meter data logging requiring stable component supply and long-term lifecycle support.
Supply support for W25N01GVTBIT 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 NOR/NAND Flash, RAM, and mobile DRAM.
The W25N SpiFlash family was designed specifically to bring NAND density and cost advantages to SPI-based embedded systems - bridging the gap between traditional SPI NOR and parallel NAND interfaces.
FAQ
What is the default read mode for W25N01GVTBIT at power-up?
The W25N01GVTBIT powers up in Continuous Read Mode (BUF=0) as indicated by its "T" suffix in the part number. This means the Read Data (03h) instruction accesses the full memory array sequentially without requiring intermediate Page Data Read (13h) commands - optimizing throughput for firmware shadowing and streaming applications.
Does W25N01GVTBIT support Quad SPI operation with hardware write protection enabled?
No. When WP-E=1 (hardware protection mode), the /WP pin becomes a dedicated active-low write inhibit signal and Quad SPI read operations are disabled. To use Quad SPI, WP-E must be set to 0, enabling /WP as IO2 and allowing full Dual/Quad I/O functionality while retaining software-based block protection via BP bits.
How many erase cycles does W25N01GVTBIT guarantee with on-chip ECC enabled?
The W25N01GVTBIT guarantees more than 100,000 program/erase cycles when used with its on-chip 1-bit ECC (per 528-byte sector), as specified in the datasheet Feature section Note 4. This endurance rating assumes ECC correction is active and managed per Winbond's recommended usage conditions.
Can the Unique ID page of W25N01GVTBIT be rewritten after initial programming?
No. The 2KB Unique ID page in W25N01GVTBIT is factory-programmed and read-only. It cannot be altered by the user. This ensures cryptographic binding between the physical device and its identity - a requirement for secure boot and device authentication implementations using the W25N01GVTBIT.
What package type does W25N01GVTBIT use, and how is it identified in the part number?
W25N01GVTBIT uses the 16-pin SOIC 300-mil package (package code SF). The "T" in the suffix denotes the Continuous Read Mode default (BUF=0), while "BIT" indicates the SOIC packaging - consistent with Winbond's ordering nomenclature where "T" = SOIC and "BIT" = 300-mil body width.
W25N01GVTBIT 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 - NAND (SLC)
- Memory Size:
- 1Gbit
- Memory Organization:
- 128M x 8
- Memory Interface:
- SPI - Quad I/O
- Clock Frequency:
- 104 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:
- 24-TFBGA (8x6)
W25N01GVTBIT FAQ
1.How can I place an order for W25N01GVTBIT through Aetrix?
Please submit a Request for Quotation (RFQ) for W25N01GVTBIT 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 W25N01GVTBIT reliable?
The price and inventory of W25N01GVTBIT are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for W25N01GVTBIT is usually 5 days.
3.What payment methods are accepted for W25N01GVTBIT?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for W25N01GVTBIT transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for W25N01GVTBIT?
W25N01GVTBIT orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your W25N01GVTBIT 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 W25N01GVTBIT?
For technical support, including W25N01GVTBIT datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your W25N01GVTBIT requirements.
6.How does Aetrix verify that W25N01GVTBIT is sourced from the original manufacturer or authorized distributors?
All W25N01GVTBIT 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 W25N01GVTBIT meets industry standards.
7.What is the process for return or replacement of W25N01GVTBIT?
All W25N01GVTBIT units undergo pre-shipment inspection (PSI). If there is an issue with W25N01GVTBIT, 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 W25N01GVTBIT part is unused and in its original packaging.
Return procedure for W25N01GVTBIT:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
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