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Winbond Electronics Corporation W25Q16JVUUJM
- Part No.:
- W25Q16JVUUJM
- Manufacturer:
- Winbond Electronics Corporation
- Category:
- Memory
- Package:
- 8-UFDFN Exposed Pad
- Datasheet:
-
W25Q16JVUUJM.pdf
- Description:
- IC FLASH 16MBIT SPI/QUAD 8USON
- Quantity:
- Payment:
- Shipping:
Inventory:2,196
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Product details
Overview
W25Q16JVUUJM 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 code storage and XIP (execute-in-place) memory in microcontroller boot systems.
For engineers reviewing the W25Q16JVUUJM datasheet, W25Q16JVUUJM pinout, W25Q16JVUUJM application, or W25Q16JVUUJM equivalent, key selection criteria include quad I/O bandwidth, hardware write protection (/WP & /HOLD), JEDEC ID/SFDP compliance, 64-bit unique ID, and support for continuous read with wrap for efficient firmware execution.
Technical Context
The W25Q16JVUUJM implements a flexible SPI-compatible interface with mode-selectable operation: Standard SPI (4-wire), Dual SPI (IO0/IO1), Quad SPI (IO0–IO3), and QPI (all four IOs for instruction + data). Its architecture supports both volatile and non-volatile status register bits-including Quad Enable (QE), Block Protect (BP2–BP0), and Top/Bottom (TB) control-for granular memory protection.
It integrates three 256-byte security registers with OTP lock capability, JEDEC-standard manufacturer/device ID (9Fh), SFDP register (5Ah), and a 64-bit unique serial number (4Bh). The device supports erase/program suspend/resume, power-down (<1 µA typical), and hardware reset via dedicated /RESET pin in TFBGA or configurable IO3 in SOIC/WSON/USON packages.
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 Modes | Standard/Dual/Quad SPI + QPI + DTR read; QE bit required for Quad I/O and QPI |
| Max Clock Rate | 133 MHz SPI clock → 266 MHz (Dual I/O) or 532 MHz (Quad I/O) effective throughput |
| Erase Granularity | Uniform 4 KB sectors (512 total), 32 KB blocks (32 total), 64 KB blocks (16 total), full chip |
| Data Retention | Greater than 20 years at +85°C; validated per JEDEC JESD22-A117 |
| Endurance | Minimum 100,000 program/erase cycles per sector |
| Operating Voltage | 2.7 V to 3.6 V single supply; supports wide industrial voltage margin |
| Temperature Range | –40°C to +85°C (industrial grade); extended –40°C to +105°C available in select packages |
Pinout & Package
W25Q16JVUUJM is supplied in an 8-pin USON 4×3-mm package (Package Code UU), with exposed pad for thermal performance. Pin functions are identical across SOIC, WSON, and USON variants per Winbond's standardized pinout.
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| 1 /CS | Chip Select Input | Active-low enable; high-impedance DO/IOs 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; used for read data and status |
| 3 /WP (IO2) | Write Protect Input / Bidirectional I/O | Hardware lock for status register when QE=0; becomes IO2 in Quad mode; active-low protection |
| 4 GND | Ground Reference | Primary signal and power return; must be low-impedance connection for timing integrity and noise immunity |
| 5 DI (IO0) | Data Input / Bidirectional I/O | Unidirectional input in Standard SPI; bidirectional IO0 in Dual/Quad SPI/QPI; carries instructions, addresses, and write data |
| 6 CLK | Serial Clock Input | Edge-triggered timing reference; supports Mode 0 and Mode 3; rising edge latches input, falling edge samples output |
| 7 /HOLD or /RESET (IO3) | Hold or Reset Input / Bidirectional I/O | Pauses ongoing operation when /CS active (QE=0); becomes IO3 in Quad mode; dedicated /RESET in TFBGA |
| 8 VCC | Power Supply | 2.7–3.6 V core supply; decoupling capacitor (0.1 µF) required near pin for stable high-speed operation |
Key Features
| Feature | Design Value |
|---|---|
| Quad Peripheral Interface (QPI) | Reduces instruction overhead from 8 clocks to 2 clocks per command, enabling faster XIP startup and deterministic latency |
| DTR Read Support | Latches address and data on both clock edges-doubling effective throughput without increasing clock frequency or EMI |
| Continuous Read with Wrap | Enables burst reads of 8/16/32/64-byte aligned data with automatic address wrap, eliminating inter-byte gaps for true streaming |
| Triple Security Registers | Three independent 256-byte OTP-lockable registers for secure key storage, firmware signature, or calibration data isolation |
| JEDEC SFDP Compliance | Self-describing parameter table (5Ah) allows host bootloader to auto-configure timing, voltage, and command sets without hardcoding |
| 64-bit Unique ID | Factory-programmed immutable serial number accessible via 4Bh command-enables device authentication and traceability |
Applications
| IoT Edge Node Firmware Storage | Industrial PLC Boot Memory |
|---|---|
|
Use Scenario: Storing signed firmware images and configuration parameters in battery-powered wireless sensors with OTA update capability. IC Role / Device Role / Timing Role: Primary non-volatile code and data storage; executes XIP during boot; handles secure firmware validation using 64-bit UID and security registers. Use Value: 4 KB sector granularity enables atomic OTA patching; DTR read ensures fast image verification; <1 µA power-down extends battery life. |
Use Scenario: Hosting real-time OS kernel and ladder logic runtime in DIN-rail mounted programmable logic controllers. IC Role / Device Role / Timing Role: Boot ROM and persistent parameter store; supports QPI mode for deterministic interrupt latency during motion control loops. Use Value: 133 MHz SPI + QPI reduces boot time by >40% vs standard SPI; 100K endurance tolerates frequent configuration writes. |
| Medical Diagnostic Display Boot | Automotive ADAS Camera Module |
|
Use Scenario: Loading display firmware and calibration LUTs in portable ultrasound devices requiring rapid power-on and regulatory-compliant data integrity. IC Role / Device Role / Timing Role: Secure boot source with hardware write protection; stores encrypted keys in OTP-locked security registers. Use Value: /WP and TB/BP bits prevent accidental corruption; SFDP register enables auto-adaptation to host controller timing margins. |
Use Scenario: Storing camera ISP firmware and lens correction profiles in automotive surround-view modules operating in –40°C to +105°C environments. IC Role / Device Role / Timing Role: High-reliability code storage with extended temperature qualification; supports continuous read for real-time frame metadata access. Use Value: >20-year data retention ensures lifetime calibration stability; 64 KB block erase enables fast firmware field updates. |
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, supports Standard/Dual/Quad SPI but no QPI or DTR; max clock 85 MHz; no SFDP or 64-bit UID | Lacks QPI instruction efficiency and DTR throughput; suitable only where host lacks QPI support or bandwidth demand is ≤40 MB/s | Select MX25L1606E only if legacy SPI controller compatibility is mandatory and advanced features are unused. |
| S25FL116K | 16 M-bit, 3V, supports Quad SPI and DTR but no QPI; includes HyperBus option; 100K endurance; no OTP security registers | Missing QPI mode and triple OTP security registers; offers HyperFlash compatibility but no 64-bit UID or SFDP v1.6 | Choose S25FL116K when HyperBus migration path is needed or when security register isolation is not required. |
Compared with MX25L1606E and S25FL116K, W25Q16JVUUJM uniquely combines QPI instruction compression, DTR read doubling, JEDEC SFDP auto-configuration, and factory-programmed UID-making it optimal for resource-constrained, secure, and high-throughput embedded boot applications.
Availability
W25Q16JVUUJM is available at Aetrix Electronics and suitable for IoT edge node firmware storage, industrial PLC boot memory, and medical diagnostic display boot requiring stable component supply, long-term lifecycle assurance, and qualified industrial temperature performance.
Supply support for W25Q16JVUUJM 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 supplier of specialty DRAM, mobile DRAM, and serial flash memory, serving industrial, automotive, and consumer markets since 1987.
The W25Q series was designed specifically for high-performance, space-constrained embedded systems requiring reliable XIP-capable code storage with advanced security and flexible interface modes-targeting MCU boot, firmware update, and parameter retention use cases.
FAQ
What interface protocols does the W25Q16JVUUJM support?
The W25Q16JVUUJM supports Standard SPI (4-wire), Dual SPI, Quad SPI, Quad Peripheral Interface (QPI), and Double Transfer Rate (DTR) read modes across all supported interfaces. QPI requires the Quad Enable (QE) bit to be set in Status Register-2, and DTR operation is enabled via specific instruction codes (e.g., 0Dh, EDh). All modes operate within the same 2.7–3.6 V supply range and share identical pin mapping in the USON 4×3-mm package.
Does W25Q16JVUUJM include hardware write protection?
Yes, W25Q16JVUUJM provides dual-layer hardware write protection: the /WP pin (active-low) locks status register writes when QE=0, and the /HOLD pin can pause operations during active selection. Additionally, non-volatile status register bits (BP2–BP0, TB, SEC, CMP) enable sector-, block-, or full-array protection independent of pin states-allowing robust firmware integrity enforcement even after power cycles.
What is the purpose of the 64-bit Unique ID in W25Q16JVUUJM?
The 64-bit Unique ID in W25Q16JVUUJM is factory-programmed, immutable, and accessible via the 4Bh instruction. It enables device-level authentication, secure firmware binding, and production traceability. In systems using W25Q16JVUUJM for secure boot, this UID serves as a root-of-trust anchor-ensuring each unit's firmware image is cryptographically tied to its physical identity without external key storage.
How does the SFDP register benefit system design with W25Q16JVUUJM?
The SFDP (Serial Flash Discoverable Parameters) register (addressed via 5Ah instruction) in W25Q16JVUUJM provides a standardized, self-describing table of timing parameters, voltage ranges, command sets, and feature flags. This eliminates hardcoded assumptions in bootloader firmware-enabling automatic adaptation to timing variations, voltage scaling, or future revisions of W25Q16JVUUJM without software updates.
Can W25Q16JVUUJM be used for execute-in-place (XIP) operation?
Yes, W25Q16JVUUJM is explicitly designed for XIP operation. Its Continuous Read Mode with wrap (0Ch/0Eh), low instruction overhead in QPI mode, and high effective throughput (up to 66 MB/s) enable direct CPU instruction fetch over SPI. Combined with 4 KB sector granularity and erase/program suspend/resume, it supports real-time XIP in resource-constrained MCUs without requiring external RAM shadowing.
W25Q16JVUUJM Specifications
- Product attributes
- Attribute value
- Manufacturer:
- Winbond Electronics Corporation
- Series:
- SpiFlash®
- Package/Case:
- 8-UFDFN 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
- 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-USON (4x3)
W25Q16JVUUJM FAQ
1.How can I place an order for W25Q16JVUUJM through Aetrix?
Please submit a Request for Quotation (RFQ) for W25Q16JVUUJM 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 W25Q16JVUUJM reliable?
The price and inventory of W25Q16JVUUJM are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for W25Q16JVUUJM is usually 5 days.
3.What payment methods are accepted for W25Q16JVUUJM?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for W25Q16JVUUJM transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for W25Q16JVUUJM?
W25Q16JVUUJM orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your W25Q16JVUUJM 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 W25Q16JVUUJM?
For technical support, including W25Q16JVUUJM datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your W25Q16JVUUJM requirements.
6.How does Aetrix verify that W25Q16JVUUJM is sourced from the original manufacturer or authorized distributors?
All W25Q16JVUUJM 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 W25Q16JVUUJM meets industry standards.
7.What is the process for return or replacement of W25Q16JVUUJM?
All W25Q16JVUUJM units undergo pre-shipment inspection (PSI). If there is an issue with W25Q16JVUUJM, 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 W25Q16JVUUJM part is unused and in its original packaging.
Return procedure for W25Q16JVUUJM:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
W25Q16JVUUJM Tags
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