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Winbond Electronics Corporation W25Q16JVSSJM
- Part No.:
- W25Q16JVSSJM
- Manufacturer:
- Winbond Electronics Corporation
- Category:
- Memory
- Package:
- 8-SOIC (0.209", 5.30mm Width)
- Datasheet:
-
W25Q16JVSSJM.pdf
- Description:
- IC FLASH 16MBIT SPI/QUAD 8SOIC
- Quantity:
- Payment:
- Shipping:
Inventory:3,331
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Product details
Overview
W25Q16JVSSJM 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 frequency (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 non-volatile code storage for microcontrollers in embedded boot applications.
For engineers reviewing the W25Q16JVSSJM datasheet, W25Q16JVSSJM pinout, W25Q16JVSSJM application, or W25Q16JVSSJM equivalent, key selection criteria include quad I/O throughput, hardware write protection via /WP and /HOLD pins, JEDEC-compliant SFDP register support, and compatibility with XIP (execute-in-place) architectures requiring low instruction overhead and continuous read mode.
Technical Context
The W25Q16JVSSJM implements a flexible SPI-compatible interface with configurable operation modes: Standard SPI (4-wire), Dual SPI (IO0/IO1), Quad SPI (IO0–IO3), and QPI (all four IOs for instruction + data). Mode switching requires explicit commands (e.g., 38h to enter QPI) and non-volatile QE bit setting in Status Register-2.
Its architecture supports concurrent erase/program suspend/resume, programmable output drive strength (DRV0/DRV1), and dual-function pins (/HOLD or /RESET depending on QE state and package). The device uses a 8,192 × 256-byte page array, enabling 1–256 byte page programming and sector/block/chip erase granularity.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| Memory Density | 16 M-bit (2,097,152 bytes), organized as 8,192 pages × 256 bytes |
| 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 532 MB/s effective Quad I/O throughput (133 MHz × 4) |
| Erase Granularity | Uniform 4 KB sectors (512 total), 32 KB blocks (32 total), 64 KB blocks (16 total) |
| Endurance & Retention | 100,000 program/erase cycles per sector; >20 years data retention at +85°C |
| Interface Modes | Standard/Dual/Quad SPI + QPI + DTR read - all supported with single-pin-count footprint |
| Security Features | 64-bit unique ID, three 256-byte OTP-lockable security registers, SFDP v1.6 compliance |
Pinout & Package
W25Q16JVSSJM is supplied in an 8-pin SOIC 208-mil package (package code SS), with lead-free, RoHS-compliant construction and surface-mount mounting.
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| 1 /CS | Chip Select Input | Active-low enable; high-impedance DO during deselect; required high→low transition before instruction acceptance |
| 2 DO (IO1) | Data Output / Bidirectional I/O | Unidirectional output in Standard SPI; bidirectional IO1 in Dual/Quad SPI/QPI; high-impedance during /HOLD |
| 3 /WP (IO2) | Write Protect Input / Bidirectional I/O | Hardware lock for status register when QE=0; becomes IO2 in Quad SPI/QPI; active-low |
| 4 GND | Ground Reference | Primary return path for VCC and all I/O signals; must be low-impedance connection |
| 5 DI (IO0) | Data Input / Bidirectional I/O | Unidirectional input in Standard SPI; bidirectional IO0 in Dual/Quad SPI/QPI; latched on CLK rising edge |
| 6 CLK | Serial Clock Input | Synchronizes all SPI/QPI transfers; supports Mode 0 and Mode 3; max 133 MHz frequency |
| 7 /HOLD or /RESET (IO3) | Hold/Reset Input / Bidirectional I/O | Pauses ongoing read/write when low (QE=0); becomes IO3 in Quad SPI/QPI; dedicated /RESET in TFBGA only |
| 8 VCC | Power Supply | Single 2.7–3.6 V supply; powers core, I/O, and charge pump; decoupling capacitor required |
Key Features
| Feature | Design Value |
|---|---|
| Continuous Read Mode | As few as 8 clocks to address memory - enables true XIP with minimal instruction overhead |
| Quad Peripheral Interface (QPI) | 2-clock instruction fetch (vs. 8-clock SPI) - reduces command latency and improves system-level throughput |
| DTR Read Support | Data latched on both CLK edges - doubles effective read bandwidth without increasing clock frequency |
| Volatile & Non-Volatile Protection | BP0–BP2, TB, SEC, CMP bits plus /WP pin - enables hierarchical, field-upgradeable memory locking |
| Program/Erase Suspend | Interrupt long erase/program operations to service urgent reads - critical for real-time firmware updates |
Applications
| IoT Edge Node Firmware Storage | Industrial PLC Boot Memory |
|---|---|
|
Use Scenario: Storing secure bootloader and application firmware in battery-powered wireless sensor nodes with OTA update capability. IC Role / Device Role / Timing Role: Primary non-volatile code storage with XIP support and DTR read for fast firmware validation post-reset. Use Value: 133 MHz Quad SPI + DTR achieves sub-100 µs sector read latency, reducing OTA verification time by >40% vs. standard SPI. |
Use Scenario: Holding certified control logic and configuration data in safety-critical programmable logic controllers operating across -40°C to +85°C. IC Role / Device Role / Timing Role: Trusted boot source with hardware write protection (/WP pin + BP bits) and 20-year data retention at extended temperature. Use Value: Sector-level locking prevents unauthorized runtime modification of safety-critical ladder logic while maintaining full field-upgradability. |
| Medical Diagnostic Display Bootloader | Automotive Infotainment HMI Storage |
|
Use Scenario: Hosting UEFI-compliant bootloader and GUI assets in portable ultrasound devices requiring rapid cold-start (<500 ms). IC Role / Device Role / Timing Role: High-throughput Quad I/O flash delivering 66 MB/s continuous read to feed DDR3 controller during boot sequence. Use Value: Continuous Read Mode + 4 KB sector granularity allows deterministic loading of critical UI assets without interrupting display initialization. |
Use Scenario: Storing infotainment OS kernel, voice recognition models, and map tiles in automotive head units with ASIL-B functional safety requirements. IC Role / Device Role / Timing Role: Secure, tamper-resistant storage using 64-bit unique ID, SFDP register, and OTP-locked security registers. Use Value: JEDEC SFDP v1.6 compliance enables automatic driver configuration and runtime parameter discovery, simplifying ECU software qualification. |
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 |
|---|---|---|---|
| MX25L1606E | 16 M-bit, 3V, 86 MHz max SPI clock; no QPI or DTR support; lacks SFDP and unique ID | Lower throughput; suitable for cost-sensitive legacy designs without XIP or advanced security needs | Select when QPI/DTR and security registers are unnecessary and BOM cost is primary constraint |
| S25FL116K | 16 M-bit, 3V, 104 MHz max SPI clock; supports QPI but not DTR; includes 256-byte security register (no OTP lock) | Mid-tier performance; supports basic XIP but lacks DTR bandwidth boost and full OTP security | Choose when QPI is required but DTR and OTP-locked registers are not mandatory for certification |
Compared with MX25L1606E and S25FL116K, the W25Q16JVSSJM delivers highest bandwidth (133 MHz + DTR), full SFDP v1.6 compliance, and OTP-lockable security registers - making it optimal for next-generation embedded systems requiring certified secure boot and deterministic XIP latency.
Availability
W25Q16JVSSJM is available at Aetrix Electronics and suitable for industrial control systems, medical diagnostics equipment, and automotive infotainment modules requiring stable component supply, long-term lifecycle assurance, and RoHS-compliant packaging.
Supply support for W25Q16JVSSJM 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 DRAM, mobile DRAM, and serial flash memory solutions since 1987.
The W25Q series was designed specifically for embedded systems requiring high-speed, secure, and space-constrained non-volatile code storage - with emphasis on XIP readiness, robust write protection, and JEDEC-standard interoperability.
FAQ
What interface protocols does the W25Q16JVSSJM support?
The W25Q16JVSSJM supports Standard SPI (4-wire), Dual SPI, Quad SPI, Quad Peripheral Interface (QPI), and Double Transfer Rate (DTR) read modes across all protocols. QPI mode requires issuing the 38h instruction and setting the Quad Enable (QE) bit in Status Register-2. DTR functionality is enabled automatically upon executing DTR-specific instructions like 0Dh or EDh, with data sampled on both clock edges.
Does the W25Q16JVSSJM support execute-in-place (XIP) operation?
Yes, the W25Q16JVSSJM supports true XIP operation via its Continuous Read Mode and Quad SPI/QPI interfaces. With as few as 8 clocks to address memory and up to 66 MB/s continuous read throughput, it enables microcontrollers to execute code directly from flash without copying to RAM - reducing boot time and SRAM usage. The 4 KB sector architecture further enhances XIP efficiency by allowing fine-grained code placement.
How is hardware write protection implemented on the W25Q16JVSSJM?
The W25Q16JVSSJM implements hardware write protection through the /WP pin (Pin 3), which - when held low - prevents writes to the status register regardless of software commands. This works in conjunction with volatile/non-volatile block protect bits (BP2–BP0, TB, SEC, CMP) and Status Register Protect (SRP/SRL) bits. When the Quad Enable (QE) bit is set, /WP becomes IO2 and hardware protection is disabled; thus /WP-based protection requires QE = 0.
What is the purpose of the /HOLD pin on the W25Q16JVSSJM?
The /HOLD pin (Pin 7) on the W25Q16JVSSJM pauses ongoing SPI transactions while /CS remains low, placing DO in high-impedance state and ignoring DI/CLK inputs. This allows multi-device SPI bus sharing without arbitration. When QE = 0, Pin 7 functions as /HOLD; when QE = 1, it becomes IO3 for Quad SPI/QPI. In the SOIC-208 package (W25Q16JVSSJM), /HOLD is available only in non-Quad modes.
Is the W25Q16JVSSJM pin-compatible with other Winbond W25QxxJV variants?
Yes, the W25Q16JVSSJM shares identical 8-pin SOIC 208-mil pinout, electrical characteristics, and instruction set with other W25QxxJV family members including W25Q80JV, W25Q32JV, and W25Q64JV. This enables scalable memory design - for example, upgrading from 8 M-bit to 16 M-bit requires only firmware address mapping changes and no PCB layout revision.
W25Q16JVSSJM 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
W25Q16JVSSJM FAQ
1.How can I place an order for W25Q16JVSSJM through Aetrix?
Please submit a Request for Quotation (RFQ) for W25Q16JVSSJM 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 W25Q16JVSSJM reliable?
The price and inventory of W25Q16JVSSJM are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for W25Q16JVSSJM is usually 5 days.
3.What payment methods are accepted for W25Q16JVSSJM?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for W25Q16JVSSJM transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for W25Q16JVSSJM?
W25Q16JVSSJM orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your W25Q16JVSSJM 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 W25Q16JVSSJM?
For technical support, including W25Q16JVSSJM datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your W25Q16JVSSJM requirements.
6.How does Aetrix verify that W25Q16JVSSJM is sourced from the original manufacturer or authorized distributors?
All W25Q16JVSSJM 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 W25Q16JVSSJM meets industry standards.
7.What is the process for return or replacement of W25Q16JVSSJM?
All W25Q16JVSSJM units undergo pre-shipment inspection (PSI). If there is an issue with W25Q16JVSSJM, 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 W25Q16JVSSJM part is unused and in its original packaging.
Return procedure for W25Q16JVSSJM:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
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