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Winbond Electronics Corporation W25Q16JLZPIG
- Part No.:
- W25Q16JLZPIG
- Manufacturer:
- Winbond Electronics Corporation
- Category:
- Memory
- Package:
- 8-WDFN Exposed Pad
- Datasheet:
-
W25Q16JLZPIG.pdf
- Description:
- IC FLASH 16MBIT SPI/QUAD 8WSON
- Quantity:
- Payment:
- Shipping:
Inventory:3,598
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Product details
Overview
W25Q16JLZPIG from Winbond is a 16 M-bit (2 MB) Serial Flash memory IC supporting Standard, Dual, and Quad SPI interfaces with up to 104 MHz clock rate, 4 KB uniform sector erase granularity, and 2.3–3.6 V single-supply operation - deployed in embedded boot code storage, firmware update partitions, and XIP-capable microcontroller systems.
For engineers reviewing the W25Q16JLZPIG datasheet, W25Q16JLZPIG pinout, W25Q16JLZPIG application, or W25Q16JLZPIG equivalent, key selection criteria include Quad SPI enable (QE bit), /HOLD vs /RESET pin configuration (HOLD/RST bit), 4 KB sector protection granularity, and compatibility with JEDEC SFDP v1.5 for auto-configuration in modern bootloader stacks.
Technical Context
The W25Q16JLZPIG implements a SPI-compatible serial interface with Mode 0 and Mode 3 support, configurable via Status Register bits. Its architecture supports three operational modes: Standard SPI (DI/DO), Dual SPI (IO0/IO1), and Quad SPI (IO0–IO3), where IO2 and IO3 are remapped from /WP and /HOLD only when QE=1 in Status Register-2.
It features dual-level write protection: hardware-based via active-low /WP pin (disabled in Quad mode), and software-configurable via BP0–BP2, TB, SEC, CMP, and SRP bits in Status Registers 1–3. Erase/program suspend/resume capability enables real-time interrupt handling during flash operations without data loss.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| Memory Density | 16 M-bit (2,097,152 bytes), organized as 8,192 × 256-byte pages |
| Interface Support | Standard/Dual/Quad SPI; requires QE=1 in Status Register-2 for Quad I/O mode |
| Max Clock Rate | 104 MHz (Standard/Dual); enables 208 MHz effective (Dual I/O) and 416 MHz (Quad I/O) |
| Erase Granularity | Uniform 4 KB sectors (512 total), plus 32 KB and 64 KB blocks - enables fine-grained firmware partitioning |
| Write Endurance | Minimum 100,000 program/erase cycles per sector; >20-year data retention at +25°C |
| Power Supply | Single 2.3 V to 3.6 V supply; 2 mA typical active current, <1 µA power-down current |
| Operating Temp | –40°C to +85°C industrial temperature range - validated for automotive infotainment and industrial HMI |
Pinout & Package
W25Q16JLZPIG uses an 8-pin USON 2×3 mm package (package code UX), with exposed pad for thermal performance. Pin functions are identical across SOIC, VSOP, WSON, and USON variants per Winbond's unified pinout specification.
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| 1 /CS | Chip Select Input | Active-low enable; must transition high→low after power-up before first instruction accepted |
| 2 DO (IO1) | Data Output / Bidirectional I/O | Unidirectional output in Standard SPI; bidirectional IO1 in Dual/Quad modes |
| 3 /WP (IO2) | Write Protect Input / Bidirectional I/O | Hardware write lock for status register; becomes IO2 when QE=1 - disables /WP function |
| 4 GND | Ground Reference | System ground return; USON package includes thermal pad connected to GND |
| 5 DI (IO0) | Data Input / Bidirectional I/O | Unidirectional input in Standard SPI; bidirectional IO0 in Dual/Quad modes |
| 6 CLK | Serial Clock Input | Edge-triggered timing reference; supports Mode 0 (CPOL=0, CPHA=0) and Mode 3 (CPOL=1, CPHA=1) |
| 7 /HOLD or /RESET (IO3) | Hold/Reset Input / Bidirectional I/O | Pauses ongoing SPI transfer when /CS active; becomes IO3 when QE=1 - disables both /HOLD and /RESET |
| 8 VCC | Power Supply | 2.3–3.6 V core supply; internal voltage regulator ensures stable core operation across rail variation |
Key Features
| Feature | Design Value |
|---|---|
| Quad Enable (QE) Bit | Non-volatile bit in Status Register-2 that unlocks IO2/IO3 and enables Quad SPI instructions - required for XIP acceleration |
| Erase/Program Suspend | Allows interruption of long erase/program cycles (e.g., 64 KB block erase) to service high-priority interrupts - resumes from exact byte offset |
| 64-bit Unique ID | Factory-programmed read-only serial number accessible via 4Bh instruction - enables secure device binding and firmware licensing |
| SFDP Register | JEDEC JESD216-compliant Serial Flash Discoverable Parameters table at 5Ah - enables automatic driver configuration in Linux MTD and U-Boot |
| Security Registers | Three 256-byte OTP-lockable security registers (accessible via 42h/44h/48h) - used for cryptographic key storage and anti-cloning |
Applications
| IoT Edge Node Firmware Storage | Industrial PLC Boot Image Partition |
|---|---|
|
Use Scenario: Storing signed firmware images and OTA update payloads in battery-powered wireless sensor nodes. IC Role / Device Role / Timing Role: Non-volatile boot code and parameter storage with secure read/write access control. Use Value: 4 KB sector erase enables atomic firmware swap; 64-bit UID supports per-device certificate binding; low 1 µA power-down current extends battery life. |
Use Scenario: Hosting bootloader, RTOS kernel, and configuration data in programmable logic controllers with deterministic startup. IC Role / Device Role / Timing Role: Primary SPI flash for XIP-capable Cortex-M7/M33 microcontrollers executing real-time control loops. Use Value: Quad SPI 416 MHz effective bandwidth reduces boot time by >3× vs Standard SPI; suspend/resume prevents watchdog timeout during field updates. |
| Automotive Infotainment UI Assets | Medical Device Calibration Data Archive |
|
Use Scenario: Storing compressed GUI assets, fonts, and audio prompts in head-unit displays requiring fast load times. IC Role / Device Role / Timing Role: High-speed serial memory mapped via QSPI controller for direct asset streaming. Use Value: Fast Read Quad I/O (EBh) delivers sustained 50 MB/s throughput; 20-year data retention ensures lifetime calibration integrity. |
Use Scenario: Archiving factory-calibrated sensor coefficients and regulatory audit logs in Class II medical instruments. IC Role / Device Role / Timing Role: Tamper-resistant non-volatile storage with hardware/software write protection hierarchy. Use Value: /WP pin + BP bits + OTP security registers enforce write-once calibration; SFDP enables automated driver validation per IEC 62304. |
Equivalent & Alternatives
The following parts are listed as comparable options for similar Serial Flash memory applications.
| Alternative Part | Technical Difference | Application Difference | Selection Advice |
|---|---|---|---|
| MX25L1606E | Same density and SOIC/USON footprint; lacks Quad SPI support and SFDP register; max clock 80 MHz | No XIP acceleration or auto-driver discovery; suitable only for legacy SPI-only designs | Select when Quad SPI and SFDP are unnecessary and cost sensitivity outweighs future-proofing |
| AT25SF161 | 16 M-bit, supports Quad SPI and SFDP; includes hardware reset pin (dedicated /RESET), unlike W25Q16JLZPIG's shared /HOLD or /RESET | Better suited for safety-critical systems requiring guaranteed hardware reset path independent of QE/HOLD/RST configuration | Prefer when deterministic hardware reset is mandated by functional safety standards (e.g., ISO 26262 ASIL-B) |
Compared with MX25L1606E and AT25SF161, W25Q16JLZPIG uniquely balances Quad SPI performance, SFDP configurability, and flexible pin-multiplexing (/HOLD or /RESET) in a compact USON package - making it optimal for space-constrained, XIP-enabled edge devices requiring field-upgradable firmware.
Availability
W25Q16JLZPIG is available at Aetrix Electronics and suitable for IoT edge node firmware storage, industrial PLC boot image partitioning, and automotive infotainment UI assets requiring stable component supply, full lifecycle traceability, and extended temperature compliance.
Supply support for W25Q16JLZPIG 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 manufacturer specializing in specialty memory solutions, including NOR/NAND Flash, RAM, and mobile DRAM, serving industrial, automotive, and consumer markets since 1987.
The W25Q series targets high-performance embedded systems requiring reliable, low-power serial flash with advanced features like Quad SPI, SFDP, and security registers - designed specifically for code execution (XIP), firmware updates, and secure data logging.
FAQ
What is the package type and footprint compatibility of W25Q16JLZPIG?
W25Q16JLZPIG uses an 8-pad USON 2×3 mm package (UX code) with exposed thermal pad. It shares identical pinout and electrical behavior with Winbond's SOIC-150, VSOP-150, and WSON-6×5 mm variants - enabling drop-in replacement across form factors without layout change, provided mechanical clearance and thermal pad soldering are verified.
Does W25Q16JLZPIG support Quad SPI out-of-the-box?
No - W25Q16JLZPIG requires explicit configuration of the Quad Enable (QE) bit in Status Register-2 (address 31h, bit 1) to activate Quad SPI mode. By default, QE=0 at power-up, limiting operation to Standard or Dual SPI. Setting QE=1 remaps /WP and /HOLD to IO2 and IO3, enabling 4-line data transfer.
How does the /HOLD pin function differ between Standard and Quad SPI modes on W25Q16JLZPIG?
In Standard and Dual SPI modes (QE=0), /HOLD is an active-low pause signal that freezes ongoing transfers while /CS remains low. In Quad SPI mode (QE=1), the /HOLD pin becomes IO3 and loses its hold functionality entirely - pausing must be handled via software command sequencing instead.
Can W25Q16JLZPIG be used for secure firmware storage with cryptographic keys?
Yes - W25Q16JLZPIG includes three 256-byte Security Registers (accessible via 42h/44h/48h instructions) that can be permanently locked using One-Time-Programmable (OTP) bits. These registers are ideal for storing AES keys, device certificates, or calibration secrets with hardware-enforced write protection.
What is the role of the SFDP register in W25Q16JLZPIG system integration?
The SFDP (Serial Flash Discoverable Parameters) register (accessed via 5Ah instruction) provides standardized, vendor-agnostic metadata about W25Q16JLZPIG's erase blocks, timing parameters, and supported instructions. This enables automatic driver initialization in Linux MTD, U-Boot, and RTOS environments without hard-coded flash geometry tables.
W25Q16JLZPIG Specifications
- Product attributes
- Attribute value
- Manufacturer:
- Winbond Electronics Corporation
- Series:
- SpiFlash®
- Package/Case:
- 8-WDFN Exposed Pad
- 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, QPI
- Clock Frequency:
- 104 MHz
- Write Cycle Time - Word, Page:
- 3ms
- Access Time:
- -
- Voltage - Supply:
- 2.3V ~ 3.6V
- Operating Temperature:
- -40°C ~ 85°C (TA)
- Grade:
- -
- Qualification:
- -
- Mounting Type:
- Surface Mount
- Supplier Device Package:
- 8-WSON (6x5)
W25Q16JLZPIG FAQ
1.How can I place an order for W25Q16JLZPIG through Aetrix?
Please submit a Request for Quotation (RFQ) for W25Q16JLZPIG 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 W25Q16JLZPIG reliable?
The price and inventory of W25Q16JLZPIG are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for W25Q16JLZPIG is usually 5 days.
3.What payment methods are accepted for W25Q16JLZPIG?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for W25Q16JLZPIG transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for W25Q16JLZPIG?
W25Q16JLZPIG orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your W25Q16JLZPIG 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 W25Q16JLZPIG?
For technical support, including W25Q16JLZPIG datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your W25Q16JLZPIG requirements.
6.How does Aetrix verify that W25Q16JLZPIG is sourced from the original manufacturer or authorized distributors?
All W25Q16JLZPIG 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 W25Q16JLZPIG meets industry standards.
7.What is the process for return or replacement of W25Q16JLZPIG?
All W25Q16JLZPIG units undergo pre-shipment inspection (PSI). If there is an issue with W25Q16JLZPIG, 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 W25Q16JLZPIG part is unused and in its original packaging.
Return procedure for W25Q16JLZPIG:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
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