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Winbond Electronics Corporation W25Q16JVSSJQ
- Part No.:
- W25Q16JVSSJQ
- Manufacturer:
- Winbond Electronics Corporation
- Category:
- Memory
- Package:
- 8-SOIC (0.209", 5.30mm Width)
- Datasheet:
-
W25Q16JVSSJQ.pdf
- Description:
- IC FLASH 16MBIT SPI/QUAD 8SOIC
- Quantity:
- Payment:
- Shipping:
Inventory:2,391
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Product details
Overview
W25Q16JVSSJQ from Winbond is a 16 M-bit (2 MB) serial NOR flash memory with Dual/Quad SPI interface, organized as 8,192 × 256-byte pages, supporting 4 KB sector, 32 KB block, 64 KB block and chip erase, operating from 2.7 V to 3.6 V with <1 µA power-down current, used for code storage, XIP execution, and firmware parameter retention in space-constrained embedded systems.
For engineers reviewing the W25Q16JVSSJQ datasheet, W25Q16JVSSJQ pinout, W25Q16JVSSJQ application, or W25Q16JVSSJQ equivalent, key selection considerations include Quad SPI read throughput (up to 532 MHz equivalent), hardware write protection via /WP pin, volatile/non-volatile status register configuration, 4 KB uniform sector granularity, and SOIC-208-mil (SS) package compatibility.
Technical Context
The W25Q16JVSSJQ implements a standard SPI bus (Mode 0/3) with optional Dual/Quad I/O operation enabled by setting the non-volatile Quad Enable (QE) bit in Status Register-2. In Quad mode, /WP and /HOLD become IO2 and IO3, enabling four-bit-wide data transfers on Fast Read Quad I/O (EBh) instructions.
It features three status registers (SR1–SR3) controlling erase/write enable latch (WEL), block protect bits (BP2–BP0), top/bottom protection (TB), security lock bits (LB3–LB1), and write protection scheme selection (WPS). Erase/program suspend/resume and 64-bit unique ID support real-time firmware update and device authentication workflows.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| Memory Density | 16 M-bit (2,097,152 bytes), organized as 8,192 × 256-byte programmable pages |
| Operating Voltage | 2.7 V to 3.6 V - compatible with 3.3 V logic systems without level shifting |
| Max SPI Clock | 133 MHz single I/O; 266 MHz equivalent dual I/O; 532 MHz equivalent quad I/O - enables high-speed boot code loading |
| Erase Granularity | Uniform 4 KB sectors (512 total), 32 KB blocks (32 total), 64 KB blocks (16 total) - supports fine-grained firmware partitioning |
| Endurance & Retention | 100,000 program/erase cycles per sector; >20 years data retention at +25°C - suitable for field-upgradable firmware |
| Power-Down Current | <1 µA (typ.) - critical for battery-backed or ultra-low-power IoT node designs |
| Security Features | 64-bit unique ID, three 256-byte OTP-lockable security registers, individual sector/block locks - supports secure boot and anti-cloning |
Pinout & Package
W25Q16JVSSJQ uses the 8-pin SOIC-208-mil package (package code SS), with gull-wing leads, 208-mil body width, and standard JEDEC MS-012AC footprint. Pin 1 is /CS; pin 4 is GND; pin 8 is VCC.
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| 1 /CS | Chip Select Input | Active-low enable: high = device deselected, DO in high-Z; low = active communication window |
| 2 DO (IO1) | Data Output / I/O1 | Unidirectional output in Standard SPI; bidirectional I/O in Dual/Quad SPI - carries read data or address bytes |
| 3 /WP (IO2) | Write Protect Input / I/O2 | Hardware lock for status register writes when QE=0; becomes IO2 in Quad mode (QE=1) |
| 4 GND | Ground Reference | Primary return path for VCC and I/O signals; requires low-impedance PCB plane connection |
| 5 DI (IO0) | Data Input / I/O0 | Unidirectional input in Standard SPI; bidirectional I/O in Dual/Quad SPI - carries instructions, addresses, write data |
| 6 CLK | Serial Clock Input | Edge-triggered timing reference: rising edge for input, falling edge for output - supports Mode 0 and Mode 3 |
| 7 /HOLD (IO3) | Hold Input / I/O3 | Pauses ongoing SPI transfer when low (active); becomes IO3 in Quad mode (QE=1); not available in Quad operation |
| 8 VCC | Power Supply | Single 2.7–3.6 V supply - decoupling capacitor (0.1 µF) required within 5 mm of pin |
Key Features
| Feature | Design Value |
|---|---|
| Quad SPI XIP Support | Enables Execute-in-Place from flash using Fast Read Quad I/O (EBh), eliminating RAM copy overhead for boot code |
| Volatile/Non-Volatile SR Control | Status Register-1/2/3 bits (e.g., BP2–BP0, TB, QE, WPS) can be set either temporarily (volatile) or permanently (non-volatile) for flexible field reconfiguration |
| Individual Sector Lock | Each 4 KB sector has dedicated lock bit; default-locked at power-on - prevents accidental overwrite before explicit unlock (39h) |
| Erase/Program Suspend | Allows pausing long erase/program operations (e.g., 64 KB block erase) to service higher-priority reads - resumes with 7Ah |
| SFDP Register Compliance | JEDEC JESD216-compliant Serial Flash Discoverable Parameters register - enables automatic driver configuration in modern SoCs |
Applications
| Industrial HMI Firmware Storage | IoT Edge Node OTA Update |
|---|---|
|
Use Scenario: Storing GUI assets, boot loader, and application firmware in a panel-mounted HMI controller with limited PCB area. IC Role / Device Role / Timing Role: Primary non-volatile code storage with XIP-capable Quad SPI interface for deterministic boot latency. Use Value: 4 KB sector erase enables atomic firmware patching without full image reflash; <1 µA power-down extends battery life during display sleep. |
Use Scenario: Hosting signed firmware images and rollback partitions in a battery-powered sensor node supporting remote over-the-air updates. IC Role / Device Role / Timing Role: Secure, field-upgradable firmware repository with 64-bit unique ID for device binding and three OTP-locked security registers for key storage. Use Value: Individual sector locks prevent partial corruption during interrupted OTA; 100K endurance ensures >10 years of daily updates. |
| Automotive Body Control Module | Medical Diagnostic Device Boot Memory |
|
Use Scenario: Storing calibration tables, CAN message definitions, and fail-safe boot code in an AEC-Q100 qualified body control unit. IC Role / Device Role / Timing Role: Robust, temperature-stable (−40°C to +105°C) code shadowing memory interfaced to MCU via Dual SPI for fast initialization. Use Value: Hardware /WP pin + non-volatile BP bits provide redundant write protection against EMI-induced glitches during vehicle cranking. |
Use Scenario: Holding FDA-compliant boot firmware, diagnostic self-test routines, and audit logs in a portable ultrasound device requiring traceable firmware revisions. IC Role / Device Role / Timing Role: Certified-revision firmware vault with SFDP register for auto-negotiated clock tuning and continuous-read wrap mode for glitch-free waveform buffer loading. Use Value: 20+ year data retention meets medical device archival requirements; continuous read with 32-byte wrap reduces CPU polling overhead. |
Equivalent & Alternatives
The following parts are listed as comparable options for similar serial NOR flash memory applications.
| Alternative Part | Technical Difference | Application Difference | Selection Advice |
|---|---|---|---|
| MX25L1606EZN-12G | Same density (16 M-bit), SOIC-208, but only supports Standard/Dual SPI (no Quad I/O); lacks SFDP and unique ID | No XIP acceleration beyond 66 MB/s; no built-in device identity for secure provisioning | Select when Quad SPI and security features are unnecessary and cost is primary constraint |
| S25FL116K0XMFI011 | 16 M-bit, SOIC-208, Quad SPI capable, but uses different status register layout and lacks individual sector lock bits | Requires modified driver for status register access; no per-sector hardware lock - relies on software-only protection | Select when Cypress-compatible ecosystem is mandated and sector-level lock granularity is not required |
Compared with MX25L1606EZN-12G and S25FL116K0XMFI011, W25Q16JVSSJQ delivers higher effective bandwidth via Quad I/O, stronger hardware-based write protection with individual sector locks, and standardized SFDP discovery - making it optimal for new designs requiring secure, high-speed, field-upgradable firmware storage.
Availability
W25Q16JVSSJQ is available at Aetrix Electronics and suitable for industrial HMI, IoT edge node, automotive body control, medical diagnostic device, and consumer electronics applications requiring stable component supply, long-term lifecycle assurance, and consistent SOIC-208-mil packaging.
Supply support for W25Q16JVSSJQ 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 global semiconductor manufacturer specializing in specialty memory solutions, including SPI NOR/NAND flash, RAM, and mobile DRAM, serving industrial, automotive, and communications markets since 1987.
The W25Q series is Winbond's high-performance SPI NOR flash product line designed specifically for code storage, XIP execution, and firmware update in resource-constrained embedded systems - emphasizing speed, security, and reliability across extended temperature ranges.
FAQ
What is the package type and pin count of W25Q16JVSSJQ?
W25Q16JVSSJQ uses an 8-pin SOIC-208-mil package (package code SS), with standard gull-wing leads and JEDEC MS-012AC footprint. It has eight terminals: /CS, DO (IO1), /WP (IO2), GND, DI (IO0), CLK, /HOLD (IO3), and VCC - fully compatible with legacy SOIC-208 socket layouts and automated assembly processes.
Does W25Q16JVSSJQ support Quad SPI operation, and how is it enabled?
Yes, W25Q16JVSSJQ supports Quad SPI operation via Fast Read Quad I/O (EBh) and Quad Input Page Program (32h) instructions. Quad mode is enabled by setting the non-volatile Quad Enable (QE) bit in Status Register-2 using Write Status Register-2 (31h). When QE=1, /WP and /HOLD become IO2 and IO3, completing the four I/O lane configuration required for Quad operation.
What write protection mechanisms does W25Q16JVSSJQ provide?
W25Q16JVSSJQ provides layered write protection: hardware via the active-low /WP pin (protects status register when QE=0), software via Block Protect (BP2–BP0), Top/Bottom (TB), and Complement (CMP) bits in Status Register-1, and granular per-sector/per-block locks controlled by WPS=1 mode. All mechanisms coexist and can be combined for defense-in-depth firmware integrity.
Is W25Q16JVSSJQ suitable for execute-in-place (XIP) applications?
Yes, W25Q16JVSSJQ is explicitly optimized for XIP use. Its Fast Read Quad I/O (EBh) instruction achieves up to 532 MHz equivalent throughput, and continuous read with 8/16/32/64-byte wrap minimizes address overhead. The device supports deterministic latency and seamless instruction fetch directly from flash - validated in ARM Cortex-M and RISC-V MCU reference designs.
What is the endurance and data retention specification for W25Q16JVSSJQ?
W25Q16JVSSJQ guarantees a minimum of 100,000 program/erase cycles per 4 KB sector and greater than 20 years of data retention at +25°C ambient temperature. These specifications are tested and guaranteed across the full operating range (−40°C to +105°C), making it suitable for long-lifecycle industrial and medical applications where field firmware updates occur infrequently but must remain reliable over decades.
W25Q16JVSSJQ Specifications
- Product attributes
- Attribute value
- Manufacturer:
- Winbond Electronics Corporation
- Series:
- SpiFlash®
- Package/Case:
- 8-SOIC (0.209", 5.30mm Width)
- Packaging:
- Tube
- Product Status:
- Active
- Programmable:
- Not 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:
- 133 MHz
- Write Cycle Time - Word, Page:
- 3ms
- Access Time:
- -
- Voltage - Supply:
- 2.7V ~ 3.6V
- Operating Temperature:
- -40°C ~ 105°C (TA)
- Grade:
- -
- Qualification:
- -
- Mounting Type:
- Surface Mount
- Supplier Device Package:
- 8-SOIC
W25Q16JVSSJQ FAQ
1.How can I place an order for W25Q16JVSSJQ through Aetrix?
Please submit a Request for Quotation (RFQ) for W25Q16JVSSJQ 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 W25Q16JVSSJQ reliable?
The price and inventory of W25Q16JVSSJQ are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for W25Q16JVSSJQ is usually 5 days.
3.What payment methods are accepted for W25Q16JVSSJQ?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for W25Q16JVSSJQ transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for W25Q16JVSSJQ?
W25Q16JVSSJQ orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your W25Q16JVSSJQ 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 W25Q16JVSSJQ?
For technical support, including W25Q16JVSSJQ datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your W25Q16JVSSJQ requirements.
6.How does Aetrix verify that W25Q16JVSSJQ is sourced from the original manufacturer or authorized distributors?
All W25Q16JVSSJQ 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 W25Q16JVSSJQ meets industry standards.
7.What is the process for return or replacement of W25Q16JVSSJQ?
All W25Q16JVSSJQ units undergo pre-shipment inspection (PSI). If there is an issue with W25Q16JVSSJQ, 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 W25Q16JVSSJQ part is unused and in its original packaging.
Return procedure for W25Q16JVSSJQ:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
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