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Winbond Electronics Corporation W25Q16DWZPIG
- Part No.:
- W25Q16DWZPIG
- Manufacturer:
- Winbond Electronics Corporation
- Category:
- Memory
- Package:
- 8-WDFN Exposed Pad
- Datasheet:
-
W25Q16DWZPIG.pdf
- Description:
- IC FLASH 16MBIT SPI/QUAD 8WSON
- Quantity:
- Payment:
- Shipping:
Inventory:1,704
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Product details
Overview
W25Q16DWZPIG from Winbond is a 1.8V, 16M-bit (2MB) serial NOR flash memory supporting Standard/Dual/Quad SPI and QPI interfaces, organized into 8,192 × 256-byte pages with uniform 4KB sector erase capability. It delivers up to 104MHz SPI clock rate, 50MB/s continuous read throughput, and operates across –40°C to +85°C for embedded code storage and XIP execution in space-constrained microcontroller systems.
For engineers reviewing the W25Q16DWZPIG datasheet, W25Q16DWZPIG pinout, W25Q16DWZPIG application, or W25Q16DWZPIG equivalent, key selection criteria include quad I/O support with QE bit configuration, hardware write protection via /WP and /HOLD pins, 1.65–1.95V single-supply operation, and JEDEC-compliant device identification for secure boot and firmware integrity verification.
Technical Context
The W25Q16DWZPIG implements a flexible SPI command architecture supporting four operational modes: Standard SPI (DI/DO), Dual SPI (IO0/IO1), Quad SPI (IO0–IO3), and QPI (all four IOs for instruction + data). Mode switching requires explicit Enable QPI (38h) or Disable QPI (FFh) commands, and Quad/QPI operation depends on non-volatile QE bit (Status Register-2, bit 1) being set.
Its memory array features 512 erasable 4KB sectors and 32 erasable 64KB blocks, with programmable page programming (1–256 bytes), erase suspend/resume, and four 256-byte security registers protected by OTP locks. Write protection combines software (BP0–BP2, TB, SEC, CMP) and hardware (/WP pin active-low when QE=0) mechanisms.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| Memory Density | 16 M-bit (2,097,152 bytes), enabling full MCU firmware image storage in compact footprint |
| Supply Voltage | 1.65–1.95 V - compatible with low-power 1.8V I/O domains and eliminates level-shifting in modern SoCs |
| SPI Clock Rate | Up to 104 MHz - supports 208 MHz dual-I/O and 416 MHz quad-I/O effective bandwidth for real-time XIP |
| Erase Granularity | Uniform 4KB sectors - allows fine-grained parameter updates without disturbing adjacent firmware sections |
| Data Retention | 20+ years - ensures long-term reliability for industrial and automotive firmware storage |
| Endurance | 100,000 program/erase cycles - sufficient for frequent OTA update deployments in connected devices |
| Operating Temp | –40°C to +85°C - qualified for extended-temperature industrial control and automotive body electronics |
Pinout & Package
W25Q16DWZPIG uses an 8-pin WSON 6×5-mm package (package code ZP), with exposed pad for thermal dissipation and space-efficient surface-mount integration.
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| /CS | Chip Select Input | Active-low enable signal; places DO/IO pins in high-impedance state when deasserted to allow bus sharing |
| DO (IO1) | Data Output / Bidirectional I/O | Serial data output in Standard SPI; becomes IO1 in Dual/Quad/QPI modes for concurrent read/write paths |
| /WP (IO2) | Write Protect Input / Bidirectional I/O | Hardware lock for status register writes when QE=0; repurposed as IO2 in Quad/QPI mode (QE=1) |
| GND | Ground Reference | Primary return path for all internal logic and charge-pump circuits; must be low-impedance for stable erase/program |
| DI (IO0) | Data Input / Bidirectional I/O | Serial instruction/address/data input in Standard SPI; becomes IO0 in Dual/Quad/QPI for full-duplex communication |
| CLK | Serial Clock Input | Edge-triggered timing reference for all SPI/QPI operations; supports Mode 0 and Mode 3 clock polarity/idle states |
| /HOLD (IO3) | Hold Input / Bidirectional I/O | Pauses ongoing read/write without deselecting device; repurposed as IO3 in Quad/QPI mode (QE=1) |
| VCC | Power Supply | 1.65–1.95V core and I/O supply; powers internal high-voltage generators for erase/program operations |
Key Features
| Feature | Design Value |
|---|---|
| Quad Peripheral Interface (QPI) | Reduces instruction overhead from 8 clocks to 2 clocks per command, accelerating XIP startup and reducing CPU wait states |
| Continuous Read with Wrap | Supports 8/16/32/64-byte burst wrap modes - enables cache-line-aligned fetches without address retransmission |
| Erase/Program Suspend & Resume | Allows background interrupt service routines to pause flash operations and resume later - critical for real-time OS coexistence |
| 64-bit Unique Serial Number | Factory-programmed per-device ID - enables secure device authentication, firmware binding, and anti-cloning in production |
| Four 256-byte Security Registers | OTP-lockable storage for cryptographic keys, calibration data, or license tokens - isolated from main array with independent protection |
Applications
| Industrial PLC Firmware Storage | Automotive Infotainment Boot Code |
|---|---|
|
Use Scenario: Storing and executing firmware images for programmable logic controllers operating in harsh factory environments with wide temperature swings and EMI exposure. IC Role / Device Role / Timing Role: Primary non-volatile code storage with XIP capability, delivering deterministic boot latency and field-upgradable firmware via Quad SPI interface. Use Value: 4KB sector granularity enables safe over-the-air patching of control logic without erasing safety-critical runtime modules. |
Use Scenario: Hosting boot ROM and initial bootloader for head-unit SoCs requiring fast, secure, and tamper-resistant firmware initialization at vehicle power-on. IC Role / Device Role / Timing Role: Secure boot source with JEDEC ID and unique serial number verification, interfacing via QPI for sub-100ms cold-boot time. Use Value: Hardware write protection and OTP-locked security registers prevent unauthorized firmware modification during service or diagnostics. |
| Medical Device Configuration Data | Smart Home Edge Gateway Firmware |
|
Use Scenario: Retaining calibrated sensor offsets, user preferences, and regulatory compliance logs in portable diagnostic equipment with battery-backed operation. IC Role / Device Role / Timing Role: Parameter storage with 20-year data retention and 100K-cycle endurance, accessed via Dual SPI during low-power sleep wake-ups. Use Value: Independent 4KB sector erase allows updating calibration tables without disturbing FDA-certified firmware binaries. |
Use Scenario: Storing Linux kernel, root filesystem, and OTA update staging partitions in always-on residential gateways with constrained PCB area. IC Role / Device Role / Timing Role: High-density code and data repository using WSON 6×5-mm package to minimize board footprint while supporting 50MB/s continuous read for rapid UI loading. Use Value: Low 4mA active current and <1µA power-down draw extend standby battery life in backup power scenarios. |
Equivalent & Alternatives
The following parts are listed as comparable options for similar serial NOR flash applications.
| Alternative Part | Technical Difference | Application Difference | Selection Advice |
|---|---|---|---|
| MX25L1606EZN-12G | Same 16M-bit density, 3V supply (2.7–3.6V), no QPI mode, max 86MHz SPI clock | Lacks QPI and continuous read wrap; not suitable for XIP-critical designs requiring <100ms boot | Select only if system uses 3V I/O and does not require quad-speed instruction efficiency or JEDEC ID uniqueness |
| S25FL116K0XMFI011 | 16M-bit, 1.8V, supports Octal DTR but requires different command set and lacks WSON 6×5-mm option | Higher pin count (16-pin SOIC/WLCSP), no /HOLD pin in standard config, incompatible security register layout | Choose only when migrating to Cypress-compatible toolchains and board redesign accommodates larger footprint or different pinout |
Compared with MX25L1606EZN-12G and S25FL116K0XMFI011, the W25Q16DWZPIG uniquely combines QPI instruction compression, 4KB sector flexibility, and WSON 6×5-mm packaging - making it optimal for new designs prioritizing boot speed, security, and miniaturization without voltage or command-set trade-offs.
Availability
W25Q16DWZPIG is available at Aetrix Electronics and suitable for industrial PLC firmware storage, automotive infotainment boot code, medical device configuration data, smart home edge gateway firmware, and secure IoT node firmware updates requiring stable component supply and long-term lifecycle assurance.
Supply support for W25Q16DWZPIG 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 memory solutions, including serial flash, RAM, and mobile DRAM, with global manufacturing and quality certifications.
The W25Q16DWZPIG belongs to Winbond's W25Q family of high-performance serial NOR flash devices, designed specifically for code execution (XIP), firmware storage, and secure parameter retention in resource-constrained embedded systems.
FAQ
What is the package type and lead count of the W25Q16DWZPIG?
The W25Q16DWZPIG uses an 8-pin WSON (Wettable Flank Small Outline No-Lead) package measuring 6 mm × 5 mm with an exposed thermal pad. This package supports automated optical inspection (AOI) and provides superior thermal performance compared to standard SOIC variants, making it ideal for high-density PCB layouts where space and thermal management are critical. The W25Q16DWZPIG pinout matches the ZP package code defined in Winbond's official datasheet revision J.
Does the W25Q16DWZPIG support execute-in-place (XIP) operation?
Yes, the W25Q16DWZPIG supports true execute-in-place (XIP) operation through its Continuous Read Mode and Quad Peripheral Interface (QPI). With as few as 8 clocks required to initiate a read and up to 416 MHz effective data transfer rate in Quad I/O mode, the W25Q16DWZPIG enables deterministic, low-latency instruction fetch directly from flash-eliminating the need for full code shadowing to RAM and reducing system memory footprint.
How is hardware write protection implemented on the W25Q16DWZPIG?
Hardware write protection on the W25Q16DWZPIG is implemented via the /WP (Write Protect) pin, which is active-low and functional only when the Quad Enable (QE) bit in Status Register-2 is cleared (QE=0). When asserted, /WP prevents writes to status registers-including block protection bits-complementing software-based BP0–BP2 and TB settings. The W25Q16DWZPIG also supports top/bottom array protection and OTP-locked security registers for layered firmware integrity.
What are the supported SPI modes and clock polarity requirements for the W25Q16DWZPIG?
The W25Q16DWZPIG supports SPI bus operation in Mode 0 (CPOL=0, CPHA=0) and Mode 3 (CPOL=1, CPHA=1), both compliant with JEDEC standards. In Mode 0, CLK idles low; in Mode 3, CLK idles high-both require proper /CS transition timing relative to CLK state at power-up. The W25Q16DWZPIG does not support Mode 1 or Mode 2, and correct mode selection is essential for reliable command decoding and data integrity during initialization.
Can the W25Q16DWZPIG be used in automotive applications?
Yes, the W25Q16DWZPIG is rated for operation from –40°C to +85°C and meets industrial-grade reliability requirements, including 20-year data retention and 100,000 program/erase cycles. While not AEC-Q100 qualified, its electrical and thermal specifications align with many automotive body electronics and infotainment subsystems. For ASIL-B or higher applications, system-level validation and redundancy design are required-consult Winbond's automotive qualification roadmap for certified alternatives.
W25Q16DWZPIG Specifications
- Product attributes
- Attribute value
- Manufacturer:
- Winbond Electronics Corporation
- Series:
- SpiFlash®
- Package/Case:
- 8-WDFN Exposed Pad
- Packaging:
- Tube
- Product Status:
- Discontinued at Digi-Key
- 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:
- 40µs, 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-WSON (6x5)
W25Q16DWZPIG FAQ
1.How can I place an order for W25Q16DWZPIG through Aetrix?
Please submit a Request for Quotation (RFQ) for W25Q16DWZPIG 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 W25Q16DWZPIG reliable?
The price and inventory of W25Q16DWZPIG are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for W25Q16DWZPIG is usually 5 days.
3.What payment methods are accepted for W25Q16DWZPIG?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for W25Q16DWZPIG transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for W25Q16DWZPIG?
W25Q16DWZPIG orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your W25Q16DWZPIG 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 W25Q16DWZPIG?
For technical support, including W25Q16DWZPIG datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your W25Q16DWZPIG requirements.
6.How does Aetrix verify that W25Q16DWZPIG is sourced from the original manufacturer or authorized distributors?
All W25Q16DWZPIG 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 W25Q16DWZPIG meets industry standards.
7.What is the process for return or replacement of W25Q16DWZPIG?
All W25Q16DWZPIG units undergo pre-shipment inspection (PSI). If there is an issue with W25Q16DWZPIG, 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 W25Q16DWZPIG part is unused and in its original packaging.
Return procedure for W25Q16DWZPIG:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
W25Q16DWZPIG Tags
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M24C02-WMN6TP
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