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Winbond Electronics Corporation W25Q16JVSNJM
- Part No.:
- W25Q16JVSNJM
- Manufacturer:
- Winbond Electronics Corporation
- Category:
- Memory
- Package:
- 8-SOIC (0.154", 3.90mm Width)
- Datasheet:
-
W25Q16JVSNJM.pdf
- Description:
- IC FLASH 16MBIT SPI/QUAD 8SOIC
- Quantity:
- Payment:
- Shipping:
Inventory:1,155
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Product details
Overview
W25Q16JVSNJM from Winbond is a 16 M-bit (2 MB) serial NOR flash memory IC supporting Dual/Quad SPI, QPI, and DTR read modes. It operates from 2.7V to 3.6V, delivers up to 133 MHz SPI clock rate (532 MHz equivalent in Quad I/O), and features uniform 4 KB sectors, 100K program-erase cycles, and >20-year data retention. It serves as nonvolatile code storage and XIP (execute-in-place) memory in microcontroller boot systems.
For engineers reviewing the W25Q16JVSNJM datasheet, W25Q16JVSNJM pinout, W25Q16JVSNJM application, or W25Q16JVSNJM equivalent, key selection criteria include Quad Enable (QE) bit configuration, /HOLD vs /RESET pin behavior in 8-pin SOIC packages, DTR timing compliance, and sector protection granularity for firmware update safety.
Technical Context
The W25Q16JVSNJM implements a flexible SPI-compatible interface with mode-selectable operation: Standard SPI (DI/DO), Dual SPI (IO0/IO1), Quad SPI (IO0–IO3), and QPI (all four IOs for instruction + data). Its architecture supports true XIP via Continuous Read Mode with ≤8-clock address overhead and wrap lengths of 8/16/32/64 bytes.
Functional control relies on volatile/non-volatile status register bits-including Quad Enable (QE), Block Protect (BP2–BP0), Top/Bottom (TB), Security Register Lock (LB1–LB3), and Output Driver Strength (DRV1/DRV0)-enabling hardware write protection, security register locking, and drive strength tuning without external components.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| Memory Density | 16 M-bit (2,097,152 bytes), organized as 8,192 × 256-byte pages |
| Operating Voltage | 2.7 V to 3.6 V - compatible with 3.3 V logic systems without level shifting |
| Max Clock Frequency | 133 MHz SPI - enables 66 MB/s continuous read throughput in Quad I/O mode |
| 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 +85°C - suitable for field-updatable embedded firmware |
| Interface Modes | Standard/Dual/Quad SPI + QPI + DTR - selectable via instruction set and QE bit; DTR doubles data rate per clock edge |
| Security Features | 64-bit unique ID, three 256-byte OTP-lockable security registers, SFDP register - enables secure boot key binding and device authentication |
Pinout & Package
W25Q16JVSNJM uses an 8-pin SOIC 150-mil package (Package Code SN), with lead-free, RoHS-compliant construction and surface-mount footprint.
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| 1 /CS | Chip Select Input | Active-low enable; high-impedance DO/IO pins when deasserted; required low-to-high transition before new instruction acceptance |
| 2 DO (IO1) | Data Output / Bidirectional I/O | Unidirectional output in Standard SPI; bidirectional IO1 in Dual/Quad SPI/QPI; requires QE=1 for Quad I/O use |
| 3 /WP (IO2) | Write Protect Input / Bidirectional I/O | Hardware sector lock when low; repurposed as IO2 in Quad SPI/QPI only when QE=1; inactive if QE=1 and not configured for WP |
| 4 GND | Ground Reference | Primary signal return path; must be low-impedance and decoupled near VCC pin |
| 5 DI (IO0) | Data Input / Bidirectional I/O | Unidirectional input in Standard SPI; bidirectional IO0 in Dual/Quad SPI/QPI; used for all instruction entry |
| 6 CLK | Serial Clock Input | Edge-triggered timing reference; supports SPI modes 0 and 3; DTR mode latches address/data on both edges |
| 7 /HOLD or /RESET (IO3) | Hold or Reset Input / Bidirectional I/O | Pauses ongoing read/write when low (/HOLD); resets internal state when pulsed (/RESET); becomes IO3 only when QE=1 |
| 8 VCC | Power Supply | 2.7–3.6 V supply; requires local 0.1 µF ceramic decoupling; power-down current <1 µA (typ.) |
Key Features
| Feature | Design Value |
|---|---|
| Quad Peripheral Interface (QPI) | Reduces instruction overhead to 2 clocks (vs 8 in SPI), enabling faster XIP startup and lower CPU load during code fetch |
| DTR Read Support | Enables double-data-rate addressing and data transfer without increasing clock frequency - critical for EMI-sensitive designs |
| Erase/Program Suspend & Resume | Allows background interrupt handling during long erase operations - essential for real-time firmware update workflows |
| Volatile & Non-Volatile Status Registers | Supports runtime configuration (e.g., DRV0/DRV1 drive strength) and persistent settings (e.g., BP bits) across power cycles |
| Individual Sector Lock via Security Registers | Permits OTP-based locking of specific 4 KB sectors - prevents accidental overwrite of bootloader or calibration data |
Applications
| Industrial PLC Firmware Storage | Automotive ADAS Boot Memory |
|---|---|
|
Use Scenario: Storing firmware images and configuration parameters in programmable logic controllers operating in harsh environments (-40°C to +85°C). IC Role / Device Role / Timing Role: Primary nonvolatile code storage with XIP capability; provides deterministic boot latency via Continuous Read Mode and 133 MHz Quad I/O. Use Value: 4 KB sector granularity enables atomic firmware updates without erasing full image; 100K endurance ensures >10 years of field reprogramming cycles. |
Use Scenario: Hosting boot code and safety-critical firmware for camera/radar ECUs requiring ASIL-B compliant storage integrity. IC Role / Device Role / Timing Role: Secure boot memory with 64-bit unique ID and OTP-locked security registers; supports verified boot chain via SFDP and JEDEC ID validation. Use Value: Hardware write protection (via /WP and BP bits) prevents runtime corruption; >20-year retention guarantees data integrity over vehicle lifetime. |
| IoT Edge Node OTA Storage | Medical Device Configuration Memory |
|
Use Scenario: Holding encrypted firmware binaries and rollback-safe partitions for battery-powered wireless sensors performing over-the-air updates. IC Role / Device Role / Timing Role: Low-power storage with <1 µA deep power-down; supports fast dual-quad reads for rapid OTA verification and patch application. Use Value: DTR read instructions reduce active time during OTA validation - extending battery life by minimizing MCU wake duration. |
Use Scenario: Storing calibrated sensor offsets, user preferences, and regulatory audit logs in portable diagnostic equipment. IC Role / Device Role / Timing Role: Tamper-resistant parameter storage using individual sector locks and security register OTP bits. Use Value: Three 256-byte security registers allow separation of calibration data (locked), user settings (volatile), and audit trail (write-once) - meeting IEC 62304 traceability requirements. |
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 |
|---|---|---|---|
| MX25L1606EM1I-12G | 16 M-bit, 104 MHz max clock, no DTR support, lacks QPI mode and security registers | Suitable for cost-sensitive, non-security-critical boot storage where XIP speed is secondary | Choose when DTR/QPI and security features are unnecessary and legacy SPI compatibility is prioritized |
| S25FL116K0XMFI041 | 16 M-bit, 85 MHz max clock, supports DTR but no QPI; includes sector protection but no unique ID or security registers | Fits industrial control applications needing basic hardware write protection and wide-temp operation (-40°C to +105°C) | Prefer when extended temperature range is mandatory and QPI/DTR bandwidth is not required |
Compared with MX25L1606EM1I-12G and S25FL116K0XMFI041, the W25Q16JVSNJM delivers higher throughput (133 MHz + DTR), stronger security (64-bit UID, OTP security registers), and more flexible interface modes (QPI), making it optimal for performance- and security-sensitive embedded boot systems.
Availability
W25Q16JVSNJM is available at Aetrix Electronics and suitable for industrial PLC firmware storage, automotive ADAS boot memory, and IoT edge node OTA storage requiring stable component supply, long-term lifecycle support, and RoHS-compliant packaging.
Supply support for W25Q16JVSNJM 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 targets high-performance, secure, and space-constrained embedded systems - designed specifically for code execution (XIP), firmware storage, and parameter retention in resource-limited MCUs and SoCs.
FAQ
What interface protocols does the W25Q16JVSNJM support?
The W25Q16JVSNJM supports Standard SPI, Dual SPI, Quad SPI, Quad Peripheral Interface (QPI), and Double Transfer Rate (DTR) read modes. QPI requires the QE bit in Status Register-2 to be set; DTR functionality is enabled via dedicated instructions (e.g., 0Dh, EDh) and operates in all supported modes. All protocols share the same physical pins but differ in timing and instruction encoding - confirmed in the January 2018 Revision E datasheet sections 6.1 and 8.1.
Does the W25Q16JVSNJM support execute-in-place (XIP) operation?
Yes, the W25Q16JVSNJM supports true XIP via Continuous Read Mode with wrap lengths of 8/16/32/64 bytes and ≤8-clock instruction overhead for address setup. Its 133 MHz Quad SPI clock (532 MHz effective) and DTR read capability deliver up to 66 MB/s sustained throughput - sufficient for direct code execution in Cortex-M and RISC-V microcontrollers. This is explicitly validated in the General Descriptions and Features sections of the datasheet.
How is write protection implemented on the W25Q16JVSNJM?
W25Q16JVSNJM implements multi-layer write protection: hardware pins (/WP and /HOLD used as /WP in Standard/Dual SPI), volatile/non-volatile status register bits (BP2–BP0, TB, SEC, CMP), and OTP-locked security registers. The /WP pin is only active when QE=0; when QE=1, it becomes IO2 and hardware protection must rely on register-based locking. Full details are in Sections 4.3, 6.2, and 7.1 of the datasheet.
What is the package type and pin count of the W25Q16JVSNJM?
W25Q16JVSNJM uses an 8-pin SOIC 150-mil package (Package Code SN), with standard gull-wing leads, RoHS-compliant finish, and 1.27 mm pitch. Pin assignments match Figure 1a in the datasheet: /CS (1), DO/IO1 (2), /WP/IO2 (3), GND (4), DI/IO0 (5), CLK (6), /HOLD or /RESET/IO3 (7), VCC (8). This is confirmed in Section 3.1 and Table 10.4 (Ordering Information).
Can the W25Q16JVSNJM be used in automotive applications?
Yes - the W25Q16JVSNJM is rated for -40°C to +105°C operation (industrial grade), supports hardware reset via /RESET pin (available in TFBGA variant; configurable in SOIC via SR bit), and includes security features (64-bit UID, OTP security registers) aligned with automotive functional safety requirements. While not AEC-Q100 qualified, its electrical robustness and data retention (>20 years) make it suitable for ADAS boot memory and infotainment firmware storage per manufacturer application guidance.
W25Q16JVSNJM Specifications
- Product attributes
- Attribute value
- Manufacturer:
- Winbond Electronics Corporation
- Series:
- SpiFlash®
- Package/Case:
- 8-SOIC (0.154", 3.90mm 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
W25Q16JVSNJM FAQ
1.How can I place an order for W25Q16JVSNJM through Aetrix?
Please submit a Request for Quotation (RFQ) for W25Q16JVSNJM 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 W25Q16JVSNJM reliable?
The price and inventory of W25Q16JVSNJM are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for W25Q16JVSNJM is usually 5 days.
3.What payment methods are accepted for W25Q16JVSNJM?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for W25Q16JVSNJM transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for W25Q16JVSNJM?
W25Q16JVSNJM orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your W25Q16JVSNJM 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 W25Q16JVSNJM?
For technical support, including W25Q16JVSNJM datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your W25Q16JVSNJM requirements.
6.How does Aetrix verify that W25Q16JVSNJM is sourced from the original manufacturer or authorized distributors?
All W25Q16JVSNJM 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 W25Q16JVSNJM meets industry standards.
7.What is the process for return or replacement of W25Q16JVSNJM?
All W25Q16JVSNJM units undergo pre-shipment inspection (PSI). If there is an issue with W25Q16JVSNJM, 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 W25Q16JVSNJM part is unused and in its original packaging.
Return procedure for W25Q16JVSNJM:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
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