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Winbond Electronics Corporation W25P10VSNIG T&R
- Part No.:
- W25P10VSNIG T&R
- Manufacturer:
- Winbond Electronics Corporation
- Category:
- Memory
- Package:
- 8-SOIC (0.154", 3.90mm Width)
- Datasheet:
-
W25P10VSNIG T&R.pdf
- Description:
- IC FLASH 1MBIT SPI 40MHZ 8SOIC
- Quantity:
- Payment:
- Shipping:
Inventory:1,739
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Product details
Overview
W25P10VSNIG T&R from Winbond is a 1M-bit (128KB) serial Flash memory IC with SPI interface, organized as 512 pages × 256 bytes, supporting 40MHz Fast Read, single 2.7–3.6V supply, and -40°C to +85°C operation. It delivers byte-addressable non-volatile storage for microcontroller boot code, firmware updates, and configuration data in space-constrained embedded systems.
For engineers reviewing the W25P10VSNIG T&R datasheet, W25P10VSNIG T&R pinout, W25P10VSNIG T&R application, or W25P10VSNIG T&R equivalent, this page provides verified technical context, pin-level functional roles, real-world use scenarios, and validated alternative options for migration or sourcing continuity.
Technical Context
The W25P10VSNIG T&R implements a standard SPI bus interface compliant with Modes 0 and 3, using four primary signals (CLK, /CS, DI, DO) plus /WP and /HOLD for hardware control. Its internal architecture includes a 512-page × 256-byte array, status register with BUSY/WEL/BP/SRP bits, and instruction set supporting Page Program (≤256B), Sector Erase (64KB), and Chip Erase.
Write protection is enforced via dual-layer control: software-configurable Block Protect (BP2–BP0) and Status Register Protect (SRP) bits, combined with hardware /WP pin assertion. Power-down mode reduces current to 1µA typical, and all erase/program cycles auto-disable the Write Enable Latch (WEL) upon completion.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| Memory Density | 1 M-bit (131,072 bytes), organized as 512 programmable pages of 256 bytes each |
| Max Clock Frequency | 40 MHz Fast Read - enables ≤25 ns access time per byte in high-speed firmware fetch |
| Supply Voltage | 2.7 V to 3.6 V - compatible with 3.3V logic domains without level-shifting |
| Active Current | 4 mA typical - supports low-power operation in battery-backed or portable designs |
| Data Retention | 20 years - ensures long-term reliability for infrequently updated configuration or calibration data |
| Erase/Write Cycles | 100,000 cycles - sufficient for field firmware updates and logging in industrial controllers |
| Operating Temperature | -40°C to +85°C - qualified for automotive under-hood, industrial PLC, and outdoor IoT edge nodes |
Pinout & Package
W25P10VSNIG T&R uses an 8-pin SOIC 150-mil package (Winbond code SN), with gull-wing leads, 1.27 mm pitch, and 3.9 mm × 4.9 mm body dimensions. Pin 1 is marked by a beveled corner or dot.
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| /CS | Chip Select Input | Active-low enable: drives DO to high-Z when high; required low-to-high transition at power-up to accept instructions |
| DO | Serial Data Output | Tri-state output: data shifted out on CLK falling edge; high-Z during /HOLD or /CS high |
| /WP | Write Protect Input | Hardware lock: when low and SRP=1, prevents Status Register writes - enables robust factory or field write-protection |
| GND | Ground Reference | Primary return path for VCC and all I/O; must be low-impedance to minimize noise coupling into SPI timing |
| DI | Serial Data Input | Instruction/address/data input: sampled on CLK rising edge; MSB-first protocol required |
| CLK | Serial Clock Input | Timing reference for all SPI transfers; supports Mode 0 (CLK idle low) and Mode 3 (CLK idle high) |
| /HOLD | Hold Input | Pauses active SPI transaction: suspends DO, ignores DI/CLK while /CS remains low - critical for multi-device bus sharing |
| VCC | Power Supply | Single 2.7–3.6V supply; requires local 0.1 µF ceramic decoupling near pin to stabilize during program/erase current spikes |
Key Features
| Feature | Design Value |
|---|---|
| Page Program (≤256B) | Completes in <2 ms - enables fast incremental firmware patching without full chip erase |
| Sector Erase (64KB) | Takes 2 seconds - allows targeted reprogramming of boot loader or application partitions |
| Hardware + Software Write Protection | Combines /WP pin with BP/SRP bits to lock specific memory regions - prevents accidental overwrite of critical boot code |
| Auto-increment Read | Supports continuous sequential read across address boundaries - simplifies streaming of audio or log data |
| Manufacturer & Device ID | EFh manufacturer ID + 10h device ID - enables runtime identification and firmware compatibility validation |
Applications
| Boot Code Storage | Firmware Update Storage |
|---|---|
|
Use Scenario: Storing primary bootloader and initial firmware image for ARM Cortex-M or RISC-V microcontrollers during cold start. IC Role / Device Role / Timing Role: Non-volatile code storage accessed via SPI during reset vector fetch; supports fast-read mode for sub-100ms boot latency. Use Value: Enables reliable, pin-efficient boot from external memory without requiring parallel NOR or NAND interfaces. |
Use Scenario: Holding over-the-air (OTA) firmware update images prior to validation and installation in smart meter or gateway devices. IC Role / Device Role / Timing Role: Dual-bank-capable storage partition: one sector holds active firmware, another holds pending update - erased only after checksum verification. Use Value: Supports atomic firmware swaps with rollback capability, leveraging sector-erase granularity and 100K-cycle endurance. |
| Configuration & Calibration Data | Audio Prompt Storage |
|
Use Scenario: Retaining device-specific calibration coefficients, network credentials, and user preferences across power cycles in industrial sensors. IC Role / Device Role / Timing Role: Byte-addressable EEPROM replacement: small random writes to parameter registers using Page Program, protected via BP bits. Use Value: Eliminates need for separate EEPROM; leverages 20-year data retention and hardware write lock for tamper-resistant settings. |
Use Scenario: Storing pre-recorded voice prompts (e.g., alarm tones, multilingual UI feedback) in medical or home automation devices. IC Role / Device Role / Timing Role: Sequential read buffer: Fast Read mode streams 8-bit PCM audio directly to DAC or audio codec via SPI DMA. Use Value: Reduces BOM count by integrating audio storage into existing SPI bus, avoiding dedicated voice ICs or SD card slots. |
Equivalent & Alternatives
The following parts are listed as comparable options for similar serial Flash memory applications.
| Alternative Part | Technical Difference | Application Difference | Selection Advice |
|---|---|---|---|
| AT25DF011-SSH-T | 1 M-bit, 85 MHz max clock, 2.7–3.6V, SOIC-8; supports Quad SPI and deep power-down (0.5 µA) | Higher speed and lower standby current, but requires Quad SPI controller support and different instruction set | Select if system needs faster read throughput or ultra-low sleep current, and firmware can accommodate AT25DF instruction extensions. |
| MX25L1006EZNI-12G | 1 M-bit, 86 MHz max clock, 2.7–3.6V, SOIC-8; includes security register and individual sector protection | Enhanced security features (volatile/non-volatile lock bits) and finer 4KB sector granularity vs. W25P10's 64KB sectors | Choose when secure firmware storage or partial-sector locking (e.g., protecting only boot vector) is required beyond W25P10's BP-based protection. |
Compared with W25P10VSNIG T&R, AT25DF011-SSH-T offers higher bandwidth and deeper sleep but demands Quad SPI readiness, while MX25L1006EZNI-12G adds security registers and 4KB sector control - both require layout-compatible SOIC-8 placement but distinct firmware initialization and protection setup.
Availability
W25P10VSNIG T&R is available at Aetrix Electronics and suitable for boot code storage, firmware update buffering, and configuration data retention requiring stable component supply in industrial control, medical instrumentation, and connected consumer electronics.
Supply support for W25P10VSNIG T&R 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 Serial Flash, PSRAM, and TrustME secure memory products.
The W25P series was designed as a drop-in replacement for NexFlash NX25P devices, targeting cost-sensitive, space-constrained embedded systems needing reliable, SPI-compatible non-volatile storage with hardware write protection.
FAQ
What is the exact memory organization of the W25P10VSNIG T&R?
The W25P10VSNIG T&R contains 1 M-bit (131,072 bytes) of Flash memory, organized into 512 programmable pages of 256 bytes each. Pages are grouped into two 64KB erasable sectors (128 pages per sector). This structure enables efficient Page Program (≤256B) and Sector Erase operations, with no partial-page programming - all writes must begin on a 256-byte boundary.
Does the W25P10VSNIG T&R support SPI Mode 3, and how is it configured?
Yes, the W25P10VSNIG T&R supports both SPI Mode 0 (CPOL=0, CPHA=0) and Mode 3 (CPOL=1, CPHA=0). In Mode 3, the Serial Clock (CLK) signal idles high; data on DI is sampled on the rising edge of CLK, and data on DO is clocked out on the falling edge. No external configuration is needed - the device automatically detects and operates in either mode based on the host controller's clock polarity and phase settings.
How does hardware write protection work on the W25P10VSNIG T&R?
Hardware write protection on the W25P10VSNIG T&R combines the /WP pin with the Status Register Protect (SRP) bit. When SRP = 1 and /WP is driven low, the Write Status Register instruction is locked out - preventing changes to Block Protect (BP) bits and SRP itself. This ensures that critical memory regions (e.g., boot code) remain read-only even if firmware attempts unauthorized writes, providing a fail-safe layer beyond software-only protection.
What is the purpose of the /HOLD pin on the W25P10VSNIG T&R, and when should it be used?
The /HOLD pin on the W25P10VSNIG T&R pauses an ongoing SPI transaction while /CS remains low. When /HOLD goes low, DO enters high-impedance state and DI/CLK are ignored - preserving internal state (e.g., partially filled page buffer) during bus arbitration. It is essential when multiple SPI peripherals share the same bus and high-priority interrupts require immediate bus access without aborting or restarting Flash operations.
Can the W25P10VSNIG T&R be used as a direct replacement for NexFlash NX25P10 devices?
Yes, the W25P10VSNIG T&R is fully compatible with the NexFlash NX25P10, sharing identical pinout, instruction set, timing parameters, and electrical specifications. Winbond explicitly states this compatibility in the datasheet, confirming drop-in functionality for legacy designs migrating from NexFlash - no PCB or firmware changes are required beyond part number substitution and sourcing validation.
W25P10VSNIG T&R Specifications
- Product attributes
- Attribute value
- Manufacturer:
- Winbond Electronics Corporation
- Series:
- SpiFlash®
- Package/Case:
- 8-SOIC (0.154", 3.90mm Width)
- Packaging:
- Tape & Reel (TR)
- Product Status:
- Obsolete
- Programmable:
- Not Verified
- Memory Type:
- Non-Volatile
- Memory Format:
- FLASH
- Technology:
- FLASH
- Memory Size:
- 1Mbit
- Memory Organization:
- 128K x 8
- Memory Interface:
- SPI
- Clock Frequency:
- 40 MHz
- Write Cycle Time - Word, Page:
- 5ms
- Access Time:
- -
- Voltage - Supply:
- 2.7V ~ 3.6V
- Operating Temperature:
- -40°C ~ 85°C (TA)
- Grade:
- -
- Qualification:
- -
- Mounting Type:
- Surface Mount
- Supplier Device Package:
- 8-SOIC
W25P10VSNIG T&R FAQ
1.How can I place an order for W25P10VSNIG T&R through Aetrix?
Please submit a Request for Quotation (RFQ) for W25P10VSNIG T&R 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 W25P10VSNIG T&R reliable?
The price and inventory of W25P10VSNIG T&R are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for W25P10VSNIG T&R is usually 5 days.
3.What payment methods are accepted for W25P10VSNIG T&R?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for W25P10VSNIG T&R transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for W25P10VSNIG T&R?
W25P10VSNIG T&R orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your W25P10VSNIG T&R 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 W25P10VSNIG T&R?
For technical support, including W25P10VSNIG T&R datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your W25P10VSNIG T&R requirements.
6.How does Aetrix verify that W25P10VSNIG T&R is sourced from the original manufacturer or authorized distributors?
All W25P10VSNIG T&R 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 W25P10VSNIG T&R meets industry standards.
7.What is the process for return or replacement of W25P10VSNIG T&R?
All W25P10VSNIG T&R units undergo pre-shipment inspection (PSI). If there is an issue with W25P10VSNIG T&R, 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 W25P10VSNIG T&R part is unused and in its original packaging.
Return procedure for W25P10VSNIG T&R:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
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