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Winbond Electronics Corporation W25N01GWTBIT
- Part No.:
- W25N01GWTBIT
- Manufacturer:
- Winbond Electronics Corporation
- Category:
- Memory
- Package:
- 24-TBGA
- Datasheet:
-
W25N01GWTBIT.pdf
- Description:
- IC FLASH 1GBIT SPI/QUAD 24TFBGA
- Quantity:
- Payment:
- Shipping:
Inventory:1,355
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Product details
Overview
W25N01GWTBIT from Winbond is a 1.8V serial SLC NAND flash memory IC with 1G-bit (128MB) capacity, organized as 65,536 × 2,048-byte pages and 1,024 × 128KB erasable blocks. It supports Standard/Dual/Quad SPI interfaces up to 104MHz clock (416MHz equivalent Quad I/O), delivers 40MB/s continuous read throughput, and features on-chip 1-bit ECC, hardware/software write protection, and dual boot-mode configuration (BUF=0 default). It is used in embedded code storage, firmware update partitions, and industrial HMI data logging.
For engineers reviewing the W25N01GWTBIT datasheet, W25N01GWTBIT pinout, W25N01GWTBIT application, or W25N01GWTBIT equivalent, key selection criteria include its 1.7–1.95V supply range, -40°C to +85°C operation, TFBGA-24 (6×4 ball array) package, Continuous Read Mode vs Buffer Read Mode behavior, and hardware write-protection logic dependent on WP-E bit state.
Technical Context
The W25N01GWTBIT implements a page-based SLC NAND architecture with internal 2,048-byte buffer, enabling full-page program operations and 128KB uniform block erase. Its command set includes JEDEC-compliant SPI instructions plus NAND-specific functions like Bad Block Management (A1h), BBM Look-Up Table access (A5h), and OTP page programming under OTP-E=1.
It supports two configurable read modes: Continuous Read (BUF=0, default for W25N01GWTBIT) enables seamless sequential access across pages without reissuing Page Data Read commands; Buffer Read (BUF=1) requires explicit page addressing per access. ECC status bits (ECC-1/ECC-0) and cumulative failure flags (P-FAIL/E-FAIL) are exposed via Status Register-3 for real-time reliability monitoring.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| Memory Type | SLC NAND Flash - single-level cell architecture ensures higher endurance (>100k P/E cycles) and longer data retention (>10 years) than MLC/TLC. |
| Capacity | 1 G-bit / 128 MB - organized as 65,536 pages × 2,048 bytes; supports efficient firmware image storage and OTA update partitioning. |
| Interface | Standard/Dual/Quad SPI - compatible with legacy SPI controllers; Quad I/O achieves 416MHz effective bandwidth using IO0–IO3 pins. |
| Read Throughput | 40 MB/s continuous - enabled by Continuous Read Mode (BUF=0), eliminating inter-page command overhead for linear code shadowing. |
| Supply Voltage | 1.70 V to 1.95 V - low-voltage operation reduces system power and simplifies LDO selection in battery-powered or energy-constrained designs. |
| ECC | On-chip 1-bit ECC - corrects single-bit errors per 528-byte sector; ECC status bits (ECC-1/ECC-0) indicate correction count or uncorrectable failure. |
| Operating Temp | -40°C to +85°C - qualified for industrial-grade deployment in automotive infotainment, PLCs, and edge gateways. |
Pinout & Package
W25N01GWTBIT is packaged in a 24-ball TFBGA 8×6-mm with 6×4 ball array (package code TC), RoHS-compliant and moisture-sensitive level 3 (MSL3).
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| B2 | CLK | Input - serial clock for all SPI modes; timing-critical path requiring controlled impedance routing and minimal skew. |
| B3 | GND | Ground - dedicated ground ball; must be connected to low-impedance system ground plane to minimize noise coupling into I/O signals. |
| B4 | VCC | Power - 1.7–1.95V supply; requires local 1µF ceramic decoupling adjacent to ball for stable core voltage during burst reads/writes. |
| C2 | /CS | Input - active-low chip select; must transition high→low before each instruction; tracks VCC at power-up to prevent spurious writes. |
| C4 | /WP (IO2) | I/O - dual-role: hardware write-protect input (when WP-E=1) or Quad SPI data line (when WP-E=0); tied to GND for full device lock. |
| D2 | DO (IO1) | I/O - bidirectional data line used for Standard/Dual SPI output and Quad SPI I/O; high-impedance when /CS high or /HOLD active. |
| D3 | DI (IO0) | I/O - bidirectional data line used for Standard/Dual SPI input and Quad SPI I/O; carries instructions, addresses, and data on rising CLK edge. |
| D4 | /HOLD (IO3) | I/O - dual-role: hold control (Standard/Dual SPI) or Quad SPI data line; active-low pause signal enabling multi-device SPI bus sharing. |
Key Features
| Feature | Design Value |
|---|---|
| Continuous Read Mode (BUF=0) | Enables uninterrupted sequential access across page boundaries with one initial Read command - eliminates latency from repeated Page Data Read issuance in boot code loading. |
| Configurable Write Protection | Hardware lock (WP-E=1) disables all program/erase/register writes when /WP grounded; software lock (WP-E=0) restricts only Status Register writes via BP/SRP bits. |
| On-chip 1-bit ECC | Automatically corrects single-bit errors per 528-byte sector and reports correction frequency or uncorrectable failures via Status Register-3 - reduces host-side error-handling complexity. |
| Bad Block Management (BBM) | Host-accessible BBM Look-Up Table (A5h) stores factory and field-detected bad block addresses - enables robust wear leveling and logical-to-physical address translation. |
| OTP and Unique ID Pages | Includes ten 2KB OTP pages (write-once) and one 2KB Unique ID page - supports secure device binding, calibration data storage, and firmware version locking. |
Applications
| Industrial Firmware Storage | Edge Device OTA Updates |
|---|---|
|
Use Scenario: Storing bootloader, kernel, and root filesystem in programmable flash for PLCs and HMIs operating in harsh environments. IC Role / Device Role / Timing Role: Primary non-volatile code storage with XIP-capable Dual/Quad SPI interface and hardware write protection against accidental corruption. Use Value: 128KB uniform block erase enables atomic firmware partition updates; Continuous Read Mode accelerates boot time by >35% versus page-by-page buffering. |
Use Scenario: Hosting dual firmware images and delta update payloads in smart sensors and gateways requiring field-upgradable firmware. IC Role / Device Role / Timing Role: Secure, high-endurance storage for signed firmware binaries and rollback-safe A/B partitions with ECC-verified integrity. Use Value: On-chip 1-bit ECC and BBM LUT support reliable long-term field operation; OTP pages store cryptographic keys preventing unauthorized image injection. |
| Medical Diagnostic Data Logging | Automotive Infotainment Boot Memory |
|
Use Scenario: Capturing time-stamped sensor waveforms and diagnostic logs in portable ultrasound and ECG devices with limited PCB space. IC Role / Device Role / Timing Role: High-density, low-power NAND flash for cyclic buffer storage with deterministic erase latency and guaranteed 10-year data retention. Use Value: 10µA standby current extends battery life; -40°C to +85°C rating ensures operation during sterilization cycles and cold ambient storage. |
Use Scenario: Storing boot code, UI assets, and map data in automotive head units where vibration, thermal cycling, and EMI resilience are critical. IC Role / Device Role / Timing Role: Automotive-qualified serial NAND providing fast, secure boot with hardware write protection and ECC-enabled integrity checking. Use Value: Hardware /WP lock prevents runtime corruption during ignition transients; TFBGA-24 package offers superior mechanical stability vs SOIC under thermal shock. |
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 | 3.3V supply, ONFI 2.3 interface, 48-pin TSOP; no native SPI, requires NAND controller with ECC engine. | Targeted at discrete NAND controller designs; lacks integrated SPI protocol handling and Continuous Read Mode. | Select when existing platform uses ONFI NAND controllers and 3.3V rails; avoid for SPI-native microcontrollers. |
| GD5F1GQ4UCYIGR | 1.8V serial NAND, 1G-bit, Quad SPI, but no Continuous Read Mode; max clock 100MHz; ECC handled externally. | Relies on host MCU for ECC and BBM management; slower sequential read due to mandatory page-address reissuance. | Choose for cost-sensitive designs where host has ECC capability and boot latency is non-critical. |
Compared with MT29F1G08ABAEAH4-IT:E and GD5F1GQ4UCYIGR, the W25N01GWTBIT delivers faster boot and lower integration effort via native SPI command set, on-chip ECC, and Continuous Read Mode - reducing host CPU load and BOM count in resource-constrained embedded systems.
Availability
W25N01GWTBIT is available at Aetrix Electronics and suitable for industrial firmware storage, edge-device OTA updates, and medical data logging requiring stable component supply, long-term lifecycle support, and RoHS-compliant packaging.
Supply support for W25N01GWTBIT 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, RAM, and trusted computing components.
The W25N SpiFlash family was designed to bring NAND density and cost efficiency to SPI-based embedded systems - bridging the gap between traditional SPI NOR flash and parallel NAND controllers.
FAQ
What is the default read mode for W25N01GWTBIT after power-up?
The W25N01GWTBIT powers up in Continuous Read Mode (BUF=0), as indicated by the "T" suffix in its part number. This allows immediate sequential access across memory pages without issuing intermediate Page Data Read commands - optimizing boot code loading and streaming applications.
How does hardware write protection work on W25N01GWTBIT?
Hardware write protection on W25N01GWTBIT is activated when the WP-E bit in Status Register-1 is set to 1. In this mode, grounding the /WP pin disables all program, erase, and register-write operations - making the entire device read-only, including OTP and Unique ID pages. Quad SPI read is also disabled.
Does W25N01GWTBIT require external ECC handling?
No. The W25N01GWTBIT includes on-chip 1-bit ECC that automatically corrects single-bit errors per 528-byte sector. Status Register-3 provides ECC-1/ECC-0 bits indicating correction count or uncorrectable failure - eliminating need for external ECC logic or host software intervention in most use cases.
What package type is used for W25N01GWTBIT?
W25N01GWTBIT uses a 24-ball TFBGA 8×6-mm package with 6×4 ball array (package code TC). It features a compact footprint, excellent thermal performance, and compatibility with standard SMT assembly processes - ideal for space-constrained industrial and automotive PCBs.
Can W25N01GWTBIT be used for Execute-in-Place (XIP) applications?
Yes. The W25N01GWTBIT supports Dual and Quad SPI XIP operation with up to 104MHz clock (208/416MHz effective bandwidth). Its Continuous Read Mode and fast random access enable direct code execution from flash in microcontrollers with appropriate SPI memory-mapped peripherals.
W25N01GWTBIT 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:
- 8 ns
- Voltage - Supply:
- 1.7V ~ 1.95V
- Operating Temperature:
- -40°C ~ 85°C (TA)
- Grade:
- -
- Qualification:
- -
- Mounting Type:
- Surface Mount
- Supplier Device Package:
- 24-TFBGA (8x6)
W25N01GWTBIT FAQ
1.How can I place an order for W25N01GWTBIT through Aetrix?
Please submit a Request for Quotation (RFQ) for W25N01GWTBIT 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 W25N01GWTBIT reliable?
The price and inventory of W25N01GWTBIT are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for W25N01GWTBIT is usually 5 days.
3.What payment methods are accepted for W25N01GWTBIT?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for W25N01GWTBIT transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for W25N01GWTBIT?
W25N01GWTBIT orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your W25N01GWTBIT 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 W25N01GWTBIT?
For technical support, including W25N01GWTBIT datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your W25N01GWTBIT requirements.
6.How does Aetrix verify that W25N01GWTBIT is sourced from the original manufacturer or authorized distributors?
All W25N01GWTBIT 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 W25N01GWTBIT meets industry standards.
7.What is the process for return or replacement of W25N01GWTBIT?
All W25N01GWTBIT units undergo pre-shipment inspection (PSI). If there is an issue with W25N01GWTBIT, 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 W25N01GWTBIT part is unused and in its original packaging.
Return procedure for W25N01GWTBIT:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
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