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Winbond Electronics Corporation W25Q16FWBYIG TR
- Part No.:
- W25Q16FWBYIG TR
- Manufacturer:
- Winbond Electronics Corporation
- Category:
- Memory
- Package:
- 8-UFBGA, WLCSP
- Datasheet:
-
W25Q16FWBYIG TR.pdf
- Description:
- IC FLASH 16MBIT SPI/QUAD 8WLCSP
- Quantity:
- Payment:
- Shipping:
Inventory:1,270
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Product details
Overview
W25Q16FWBYIG TR from Winbond is a 1.8V, 16M-bit serial flash memory IC supporting Standard/Dual/Quad SPI and QPI interfaces, organized as 8192 × 256-byte pages with 4KB uniform sectors, 32KB/64KB blocks, and 104MHz max clock (416MHz equivalent Quad I/O), used for XIP code execution and firmware storage in space-constrained embedded systems.
For engineers reviewing the W25Q16FWBYIG TR datasheet, W25Q16FWBYIG TR pinout, W25Q16FWBYIG TR application, or W25Q16FWBYIG TR equivalent, key selection factors include 1.65–1.95V supply compatibility, quad-enable (QE) bit dependency for IO2/IO3 functionality, /HOLD vs /RESET dual-mode pin behavior, and JEDEC ID (EF4015) verification for firmware authenticity.
Technical Context
The W25Q16FWBYIG TR implements a flexible SPI-compatible interface with mode-selectable operation: Standard SPI (DI/DO), Dual SPI (IO0/IO1), Quad SPI (IO0–IO3 enabled via non-volatile QE bit), and QPI (2-clock instruction fetch). Its internal architecture supports erase/program suspend-resume, volatile/non-volatile status register configuration, and three 256-byte security registers with OTP locks.
It features hardware write protection via active-low /WP and /HOLD pins (functional only when QE=0), programmable block/sector protection (BP2–BP0, TB, SEC, CMP), and continuous read mode with 8-clock address overhead-enabling true execute-in-place (XIP) operation without external buffering.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| Memory Density | 16 M-bit (2 MB), organized as 8192 × 256-byte pages |
| Supply Voltage | 1.65 V to 1.95 V - enables direct integration with 1.8V logic domains without level shifting |
| Max Clock Frequency | 104 MHz (SPI), enabling 416 MB/s effective throughput in Quad I/O mode |
| Erase Granularity | 4 KB sectors (512 total), 32 KB blocks (32 total), 64 KB blocks (16 total), and full-chip erase |
| Write Endurance | 100,000 program-erase cycles per sector - supports frequent firmware updates in field-deployed devices |
| Data Retention | 20 years at +25°C - ensures long-term reliability for industrial and automotive firmware storage |
| Interface Modes | Standard/Dual/Quad SPI and QPI - QPI reduces instruction overhead to 2 clocks, critical for low-latency XIP |
Pinout & Package
W25Q16FWBYIG TR uses an 8-ball WLCSP package (package code BY), measuring 2.0 mm × 2.2 mm × 0.5 mm, with bottom-side solder balls for high-density PCB layouts and thermal performance suitable for portable and IoT edge devices.
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| A1 | /CS | Active-low chip select - must transition high→low after power-up before first instruction |
| A2 | VCC | 1.65–1.95V core supply - requires local 100nF decoupling adjacent to ball |
| B1 | /HOLD or /RESET | Dual-function I/O: HOLD active-low pause (QE=0); RESET active-low device reset (QE=0, SR config) |
| B2 | DO (IO1) | Standard SPI output / Dual/Quad I/O bidirectional - used for data readback and multi-I/O transfers |
| C1 | CLK | Input clock - supports Mode 0 and Mode 3 SPI timing; must be stable before /CS assertion |
| C2 | /WP (IO2) | Hardware write protect input (QE=0); becomes IO2 in Quad/QPI modes - no pull-up required |
| D1 | DI (IO0) | Standard SPI input / Dual/Quad I/O bidirectional - carries instructions, addresses, and write data |
| D2 | GND | Reference ground - must connect to solid ground plane; no shared return paths with noisy circuits |
Key Features
| Feature | Design Value |
|---|---|
| Quad Peripheral Interface (QPI) | Reduces instruction fetch time from 8 to 2 clocks, cutting SPI overhead by 75% for XIP-critical boot sequences |
| Erase/Program Suspend-Resume | Allows interruption of long erase/write operations to service higher-priority tasks, then resume from exact point |
| 64-bit Unique Serial Number | Enables device-level firmware binding, secure provisioning, and anti-cloning in certified IoT deployments |
| Three 256-byte Security Registers | OTP-lockable storage for cryptographic keys, calibration data, or license tokens - isolated from main array |
| JEDEC SFDP Register | Self-describing parameter table accessible via 5Ah command - enables automatic driver configuration without hard-coded timing |
Applications
| Industrial PLC Firmware Storage | Automotive ADAS Boot Memory |
|---|---|
Use Scenario: Storing and executing real-time control firmware in programmable logic controllers with strict power and footprint constraints. IC Role / Device Role / Timing Role: Primary non-volatile code storage with XIP capability, directly mapped into MCU instruction bus via Quad SPI. Use Value: 4KB sector granularity enables atomic firmware patching without erasing full image; 104MHz clock supports <50ms boot latency. | Use Scenario: Holding boot code and sensor calibration data for vision processors in advanced driver-assistance systems. IC Role / Device Role / Timing Role: Secure, AEC-Q100-aligned firmware repository with unique ID and security registers for ASIL-B traceability. Use Value: 20-year data retention ensures calibration persistence over vehicle lifetime; OTP security registers prevent unauthorized parameter modification. |
| IoT Edge Node OTA Storage | Medical Wearable Configuration Memory |
Use Scenario: Hosting encrypted firmware images and version metadata for over-the-air updates in battery-powered sensor nodes. IC Role / Device Role / Timing Role: Dual-role storage: main firmware array + dedicated security register space for signature validation keys. Use Value: 1µA typical power-down current extends battery life; sector-locked regions prevent accidental overwrite during update rollback. | Use Scenario: Storing patient-specific calibration profiles and regulatory-compliant usage logs in compact wearable health monitors. IC Role / Device Role / Timing Role: Tamper-resistant configuration store with hardware write protection and individual sector locking. Use Value: /WP pin + BP bits enable permanent lock of medical calibration data; 4KB sectors align with HIPAA audit log chunking requirements. |
Equivalent & Alternatives
The following parts are listed as comparable options for similar serial flash memory applications.
| Alternative Part | Technical Difference | Application Difference | Selection Advice |
|---|---|---|---|
| MX25L1606EM2I-12G | 3V supply (2.7–3.6V); same 16M-bit density, SOIC-8 only; lacks QPI and security registers | Not suitable for 1.8V systems; no OTP security or unique ID - insufficient for secure OTA | Select only if legacy 3V design exists and security/XIP features are unused |
| AT25SF161-SSHD-B | 1.7–2.0V supply; includes SFDP and 64-bit UID; no QPI mode; 8-pin USON/WSON supported | Lower max clock (80MHz); no suspend/resume or security registers; JEDEC ID differs (1F8915) | Prefer when QPI is unnecessary and cost sensitivity outweighs XIP latency requirements |
Compared with MX25L1606EM2I-12G and AT25SF161-SSHD-B, the W25Q16FWBYIG TR uniquely delivers 1.8V operation with QPI, suspend/resume, and OTP-secured registers - making it the only option among the three qualified for secure, low-power, high-speed XIP in next-gen edge devices.
Availability
W25Q16FWBYIG TR 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 across extended product lifecycles.
Supply support for W25Q16FWBYIG 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 consumer, industrial, and automotive markets.
The W25Q series targets high-performance, low-voltage embedded systems requiring execute-in-place capability, robust security, and flexible erase architecture - specifically designed for code storage in resource-constrained microcontrollers and SoCs.
FAQ
What is the operating voltage range for the W25Q16FWBYIG TR?
The W25Q16FWBYIG TR operates from 1.65 V to 1.95 V. This narrow 1.8V nominal range ensures compatibility with modern ultra-low-power MCUs and eliminates the need for level-shifting circuitry. Operation outside this window may cause undefined behavior or data corruption. The device draws only 4mA active current and less than 1µA in power-down mode, making it ideal for battery-sensitive applications where the W25Q16FWBYIG TR is deployed.
Does the W25Q16FWBYIG TR support execute-in-place (XIP) operation?
Yes, the W25Q16FWBYIG TR supports true XIP via its Continuous Read Mode and Quad SPI/QPI interfaces. With as few as 8 clocks to address memory and up to 416MB/s effective throughput in Quad I/O mode, it enables direct CPU instruction fetch without RAM loading. The W25Q16FWBYIG TR's 4KB uniform sector architecture further enhances XIP reliability by allowing atomic firmware updates without full-image erasure.
How does the /HOLD pin function on the W25Q16FWBYIG TR?
The /HOLD pin on the W25Q16FWBYIG TR provides active-low bus pausing during active selection (/CS low), placing DO in high-impedance and ignoring DI/CLK signals. It is only functional when the Quad Enable (QE) bit in Status Register-2 is cleared (QE=0). When QE=1, the pin becomes IO3 for Quad/QPI operation. The W25Q16FWBYIG TR's /HOLD behavior is fully compliant with JEDEC JESD251 for interoperability with standard SPI controllers.
What security features are implemented in the W25Q16FWBYIG TR?
The W25Q16FWBYIG TR includes hardware write protection (/WP pin), top/bottom/complement sector locking, individual block/sector lock/unlock commands, three 256-byte OTP-lockable security registers, a 64-bit unique serial number, and JEDEC SFDP for self-describing parameters. These features collectively enable secure firmware signing, tamper-proof calibration storage, and device authentication - all verified in the official Winbond datasheet for the W25Q16FWBYIG TR.
Is the W25Q16FWBYIG TR pin-compatible with other W25Q-series variants?
The W25Q16FWBYIG TR shares identical pinout and ball assignment with all W25Qx0 family members in the same package (e.g., W25Q80, W25Q32), including the 8-ball WLCSP (BY) variant. Signal mapping, voltage tolerances, and instruction set are fully compatible - enabling scalable BOM management. However, density-dependent timing parameters (e.g., erase times) and some status register bits differ, so firmware must validate JEDEC ID (EF4015) to confirm W25Q16FWBYIG TR identity before initialization.
W25Q16FWBYIG TR Specifications
- Product attributes
- Attribute value
- Manufacturer:
- Winbond Electronics Corporation
- Series:
- SpiFlash®
- Package/Case:
- 8-UFBGA, WLCSP
- Packaging:
- Tape & Reel (TR)
- Product Status:
- Obsolete
- 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, QPI
- Clock Frequency:
- 104 MHz
- Write Cycle Time - Word, Page:
- 60µs, 3ms
- Access Time:
- -
- Voltage - Supply:
- 1.65V ~ 1.95V
- Operating Temperature:
- -40°C ~ 85°C (TA)
- Grade:
- -
- Qualification:
- -
- Mounting Type:
- Surface Mount
- Supplier Device Package:
- 8-WLCSP (1.41x2.37)
W25Q16FWBYIG TR FAQ
1.How can I place an order for W25Q16FWBYIG TR through Aetrix?
Please submit a Request for Quotation (RFQ) for W25Q16FWBYIG 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 W25Q16FWBYIG TR reliable?
The price and inventory of W25Q16FWBYIG TR are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for W25Q16FWBYIG TR is usually 5 days.
3.What payment methods are accepted for W25Q16FWBYIG TR?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for W25Q16FWBYIG TR transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for W25Q16FWBYIG TR?
W25Q16FWBYIG TR orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your W25Q16FWBYIG 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 W25Q16FWBYIG TR?
For technical support, including W25Q16FWBYIG TR datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your W25Q16FWBYIG TR requirements.
6.How does Aetrix verify that W25Q16FWBYIG TR is sourced from the original manufacturer or authorized distributors?
All W25Q16FWBYIG 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 W25Q16FWBYIG TR meets industry standards.
7.What is the process for return or replacement of W25Q16FWBYIG TR?
All W25Q16FWBYIG TR units undergo pre-shipment inspection (PSI). If there is an issue with W25Q16FWBYIG 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 W25Q16FWBYIG TR part is unused and in its original packaging.
Return procedure for W25Q16FWBYIG TR:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
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