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Winbond Electronics Corporation W25Q16DVSSIG TR
- Part No.:
- W25Q16DVSSIG TR
- Manufacturer:
- Winbond Electronics Corporation
- Category:
- Memory
- Package:
- 8-SOIC (0.209", 5.30mm Width)
- Datasheet:
-
W25Q16DVSSIG TR.pdf
- Description:
- IC FLASH 16MBIT SPI/QUAD 8SOIC
- Quantity:
- Payment:
- Shipping:
Inventory:4,642
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Product details
Overview
W25Q16DVSSIG TR from Winbond is a 16M-bit (2MB) serial NOR flash memory IC supporting Standard, Dual, and Quad SPI interfaces with 104MHz clock capability, 4KB uniform sector architecture, and XIP-capable continuous read mode - used for code storage, firmware boot, and parameter retention in microcontroller-based embedded systems.
For engineers reviewing the W25Q16DVSSIG TR datasheet, W25Q16DVSSIG TR pinout, W25Q16DVSSIG TR application, or W25Q16DVSSIG TR equivalent, key selection criteria include quad I/O support (QE bit enabled), hardware write protection via /WP and /HOLD pins, 2.7–3.6V single-supply operation, -40°C to +85°C industrial temperature range, and SOIC-8 208-mil package compatibility.
Technical Context
The W25Q16DVSSIG TR implements a SPI-compatible command set with three operational modes: Standard SPI (DI/DO), Dual SPI (IO0/IO1), and Quad SPI (IO0–IO3), where Quad mode requires non-volatile QE bit (SR2[1]) set and repurposes /WP and /HOLD as IO2 and IO3. It features a 512-sector × 4KB uniform erase architecture with suspend/resume for program/erase operations.
Internally, it integrates a 256-byte page buffer, status registers with BP0–BP2, TB, SEC, CMP, SRP0/SRP1, and SUS bits, plus a 64-bit unique ID and SFDP register for discoverable parameters. Power management includes <1µA typical power-down current and 4mA active current at 104MHz.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| Memory Density | 16 M-bit (2,097,152 bytes), organized as 8,192 × 256-byte pages |
| SPI Interface Modes | Standard (DI/DO), Dual (IO0/IO1), Quad (IO0–IO3); QE bit required for Quad I/O |
| Max Clock Frequency | 104 MHz - enables 416 MB/s effective throughput in Quad I/O Fast Read mode |
| Erase Granularity | Uniform 4KB sectors (512 total), 32KB blocks (64 total), 64KB blocks (32 total), full chip |
| Write/Erase Endurance | 100,000 program/erase cycles per sector - supports frequent firmware updates |
| Data Retention | 20 years at +25°C - ensures long-term reliability in unpowered storage |
| Supply Voltage | 2.7 V to 3.6 V - compatible with 3.3V logic systems without level shifting |
| Operating Temperature | -40°C to +85°C - qualified for industrial-grade embedded applications |
Pinout & Package
W25Q16DVSSIG TR is packaged in 8-pin SOIC 208-mil (package code SS), with pin 1 marked by notch or dot. Pin functions are electrically identical across SOIC-150/208-mil, PDIP, WSON, USON, and WLCSP variants - only mechanical form differs.
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| 1 /CS | Chip Select Input | Active-low enable: high = device deselected (high-Z outputs, standby current); low = selected for instruction/data transfer |
| 2 DO (IO1) | Serial Data Output / Quad I/O Line 1 | Unidirectional output in Standard/Dual SPI; bidirectional I/O in Quad SPI when QE=1 |
| 3 /WP (IO2) | Hardware Write Protect / Quad I/O Line 2 | Active-low hardware lock for status register; becomes IO2 in Quad mode (QE=1) |
| 4 GND | Ground Reference | Primary return path for VCC and all I/O signals; must be low-impedance connection |
| 5 DI (IO0) | Serial Data Input / Quad I/O Line 0 | Unidirectional input in Standard/Dual SPI; bidirectional I/O in Quad SPI when QE=1 |
| 6 CLK | Serial Clock Input | Edge-triggered timing reference for all SPI transfers; supports Mode 0 and Mode 3 |
| 7 /HOLD (IO3) | Hold Input / Quad I/O Line 3 | Pauses ongoing SPI transaction while /CS remains low; becomes IO3 in Quad mode (QE=1) |
| 8 VCC | Power Supply | Single 2.7–3.6V supply; decoupling capacitor (0.1 µF) required near pin |
Key Features
| Feature | Design Value |
|---|---|
| Quad SPI with QE bit control | Enables 4-line data bus for 4× throughput vs Standard SPI; configurable via Status Register-2 |
| Continuous Read Mode | As few as 8 clocks overhead per 24-bit address access - enables true execute-in-place (XIP) from flash |
| Hardware + software write protection | /WP pin + BP0–BP2, TB, SEC, SRP0/SRP1 bits allow selective 4KB–full-array locking |
| 64-bit unique serial number | Factory-programmed per-device ID for secure firmware binding or asset tracking |
| Erase/program suspend & resume | Allows interruption of long erase/program cycles to service higher-priority tasks, then resume |
| SFDP register support | JEDEC JESD216-compliant parameter table accessible via 5Ah instruction - enables auto-configuration |
Applications
| Industrial PLC Firmware Storage | IoT Edge Device Boot Code |
|---|---|
Use Scenario: Storing firmware images and configuration tables in programmable logic controllers operating in harsh factory environments. IC Role / Device Role / Timing Role: Non-volatile code storage with fast Quad SPI read for deterministic boot and runtime code execution. Use Value: 4KB sector granularity enables independent update of control logic vs safety-critical parameters; 20-year retention ensures field longevity without refresh. |
Use Scenario: Hosting bootloader and OTA-updatable application firmware in battery-powered wireless sensor nodes. IC Role / Device Role / Timing Role: Low-power SPI flash providing XIP-capable boot code and encrypted firmware partitions. Use Value: <1µA power-down current extends battery life; 64-bit UID enables device-specific key derivation for secure OTA validation. |
| Automotive Infotainment UI Assets | Medical Diagnostic Instrument Calibration Data |
Use Scenario: Storing graphical assets, fonts, and localization strings for head-unit displays requiring rapid UI rendering. IC Role / Device Role / Timing Role: High-throughput Quad I/O flash delivering burst reads to GPU or display controller over SPI. Use Value: 104MHz clock + Fast Read Quad I/O (EBh) achieves >52 MB/s sustained bandwidth - eliminates RAM buffering for UI assets. |
Use Scenario: Retaining calibrated sensor coefficients and regulatory audit logs in portable diagnostic equipment. IC Role / Device Role / Timing Role: Tamper-resistant non-volatile memory with hardware write protection for critical calibration parameters. Use Value: /WP pin + BP bits prevent accidental overwrite during field recalibration; JEDEC ID and SFDP ensure traceable component sourcing. |
Equivalent & Alternatives
The following parts are listed as comparable options for similar serial NOR flash applications.
| Alternative Part | Technical Difference | Application Difference | Selection Advice |
|---|---|---|---|
| MX25L1606EM2I-12G | Same density (16Mb), SOIC-8 208-mil, but max SPI clock 80MHz; no Quad I/O suspend/resume; lacks SFDP register | Lower throughput limits XIP performance in latency-sensitive UIs; no auto-configuration for host drivers | Choose when cost sensitivity outweighs Quad I/O speed and advanced feature requirements |
| S25FL116K0XMFI011 | 16Mb, SOIC-8, supports Quad SPI up to 104MHz, but uses different status register layout and lacks 64-bit UID | Requires driver adaptation for status bit mapping; no per-device cryptographic binding capability | Prefer when Cypress-compatible ecosystem integration is prioritized over unique ID security |
Compared with MX25L1606EM2I-12G and S25FL116K0XMFI011, the W25Q16DVSSIG TR delivers superior XIP readiness via Continuous Read Mode, stronger security through factory-unique ID and SFDP, and more flexible protection with dual hardware/software write-locking - making it optimal for upgradable, certified, and latency-constrained embedded systems.
Availability
W25Q16DVSSIG TR is available at Aetrix Electronics and suitable for industrial automation, IoT edge deployment, and automotive infotainment systems requiring stable component supply, long-lifecycle support, and guaranteed SOIC-8 208-mil packaging.
Supply support for W25Q16DVSSIG 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 for embedded, communications, and consumer markets.
The W25Q series was designed specifically for high-performance, space-constrained embedded systems requiring reliable code storage, fast XIP execution, and robust data integrity - targeting MCU-based designs where pin count and power efficiency are critical.
FAQ
What is the package type and lead count of W25Q16DVSSIG TR?
W25Q16DVSSIG TR uses an 8-pin SOIC package with 208-mil body width (package code SS). It has gull-wing leads, surface-mount mounting, and complies with JEDEC MS-012 standards. This variant is distinct from SN (150-mil), DA (PDIP), or ZP (WSON) versions - pinout and electrical behavior are identical, but mechanical fit and thermal profile differ.
Does W25Q16DVSSIG TR support Quad SPI out of the box?
No - W25Q16DVSSIG TR requires the Quad Enable (QE) bit in Status Register-2 to be set (to '1') before Quad SPI instructions like Fast Read Quad I/O (EBh) become functional. By default, QE=0 after power-up or reset, so /WP and /HOLD retain their hardware protection roles until explicitly configured for Quad I/O use.
How does hardware write protection work on W25Q16DVSSIG TR?
W25Q16DVSSIG TR provides dual-layer write protection: the /WP pin (pin 3) can be pulled low to lock the status register from modification, while BP0–BP2, TB, and SEC bits in Status Register-1 define which 4KB sectors or blocks are protected. Both mechanisms must be considered - /WP overrides software settings when asserted.
Can W25Q16DVSSIG TR be used for execute-in-place (XIP) operation?
Yes - W25Q16DVSSIG TR supports true XIP via its Continuous Read Mode, which reduces instruction overhead to as few as 8 clock cycles per 24-bit address. When combined with Fast Read Quad I/O (EBh), it delivers sufficient bandwidth (>52 MB/s) to feed ARM Cortex-M or RISC-V cores directly from flash without intermediate RAM loading.
What is the purpose of the 64-bit Unique ID in W25Q16DVSSIG TR?
The 64-bit Unique ID in W25Q16DVSSIG TR is factory-programmed and read-only, accessible via instruction 4Bh. It enables device-specific cryptographic key derivation, secure firmware binding, and anti-cloning measures - critical for regulatory compliance in medical, industrial, and automotive applications where component traceability is mandated.
W25Q16DVSSIG TR Specifications
- Product attributes
- Attribute value
- Manufacturer:
- Winbond Electronics Corporation
- Series:
- SpiFlash®
- Package/Case:
- 8-SOIC (0.209", 5.30mm Width)
- Packaging:
- Tape & Reel (TR)
- Product Status:
- Discontinued at Digi-Key
- Programmable:
- Verified
- Memory Type:
- Non-Volatile
- Memory Format:
- FLASH
- Technology:
- FLASH - NOR
- Memory Size:
- 16Mbit
- Memory Organization:
- 2M x 8
- Memory Interface:
- SPI - Quad I/O
- Clock Frequency:
- 104 MHz
- Write Cycle Time - Word, Page:
- 50µs, 3ms
- 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
W25Q16DVSSIG TR FAQ
1.How can I place an order for W25Q16DVSSIG TR through Aetrix?
Please submit a Request for Quotation (RFQ) for W25Q16DVSSIG 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 W25Q16DVSSIG TR reliable?
The price and inventory of W25Q16DVSSIG TR are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for W25Q16DVSSIG TR is usually 5 days.
3.What payment methods are accepted for W25Q16DVSSIG TR?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for W25Q16DVSSIG TR transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for W25Q16DVSSIG TR?
W25Q16DVSSIG TR orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your W25Q16DVSSIG 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 W25Q16DVSSIG TR?
For technical support, including W25Q16DVSSIG TR datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your W25Q16DVSSIG TR requirements.
6.How does Aetrix verify that W25Q16DVSSIG TR is sourced from the original manufacturer or authorized distributors?
All W25Q16DVSSIG 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 W25Q16DVSSIG TR meets industry standards.
7.What is the process for return or replacement of W25Q16DVSSIG TR?
All W25Q16DVSSIG TR units undergo pre-shipment inspection (PSI). If there is an issue with W25Q16DVSSIG 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 W25Q16DVSSIG TR part is unused and in its original packaging.
Return procedure for W25Q16DVSSIG TR:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
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