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Winbond Electronics Corporation W25Q16CVZPJG
- Part No.:
- W25Q16CVZPJG
- Manufacturer:
- Winbond Electronics Corporation
- Category:
- Memory
- Package:
- 8-WDFN Exposed Pad
- Datasheet:
-
W25Q16CVZPJG.pdf
- Description:
- IC FLASH 16MBIT SPI/QUAD 8WSON
- Quantity:
- Payment:
- Shipping:
Inventory:1,677
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Product details
Overview
W25Q16CVZPJG from Winbond is a 16 M-bit (2 MB) serial NOR flash memory IC supporting Standard, Dual, and Quad SPI interfaces with 104 MHz clock capability, 4 KB uniform sector erase, and XIP-capable continuous read mode - used for code storage, firmware boot, and parameter retention in microcontroller-based embedded systems.
For engineers reviewing the W25Q16CVZPJG datasheet, W25Q16CVZPJG pinout, W25Q16CVZPJG application, or W25Q16CVZPJG equivalent, key selection criteria include Quad SPI enable (QE bit), 2.7–3.6 V single-supply operation, 4 mA active current, -40°C to +85°C industrial temperature range, and hardware write protection via /WP and /HOLD pins.
Technical Context
The W25Q16CVZPJG implements a SPI command-set architecture with three operational modes: Standard (DI/DO), Dual (IO0/IO1), and Quad (IO0–IO3), where Quad mode requires non-volatile QE bit setting in Status Register-2. Its internal block diagram includes a 256-byte page buffer, 512 × 4 KB sectors, and dedicated security registers with OTP locks.
It supports JEDEC-standard manufacturer/device ID (9Fh), 64-bit unique serial number (4Bh), and SFDP register (5Ah) for discoverable timing and feature parameters. Erase/program suspend/resume functionality enables concurrent background operations without bus interruption.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| Memory Density | 16 M-bit (2,097,152 bytes), organized as 8,192 × 256-byte pages |
| SPI Interface Modes | Standard (4-wire), Dual I/O (5-wire), Quad I/O (6-wire); QE bit required for Quad |
| Max Clock Frequency | 104 MHz - enables 416 MB/s effective throughput in Quad I/O Fast Read mode |
| Erase Granularity | Uniform 4 KB sectors (512 total), 32 KB blocks (32), 64 KB blocks (16), full chip |
| Write Endurance | 100,000 program/erase cycles per sector - supports frequent firmware updates |
| Data Retention | 20 years at +25°C - ensures long-term reliability in unpowered storage |
| Supply Voltage | 2.7 V to 3.6 V - compatible with 3.3 V logic systems without level shifting |
| Power Consumption | 4 mA active (typ.), <1 µA power-down - suitable for battery-backed and low-power IoT nodes |
Pinout & Package
W25Q16CVZPJG is packaged in an 8-pin SOIC 208-mil (package code SS), with pin 1 = /CS, pin 2 = DO (IO1), pin 3 = /WP (IO2), pin 4 = GND, pin 5 = DI (IO0), pin 6 = CLK, pin 7 = /HOLD (IO3), pin 8 = VCC. All I/O pins support bidirectional operation in Dual/Quad modes when enabled.
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| /CS (Pin 1) | Chip Select input | Active-low enable; places DO in high-Z when deasserted; required high-to-low transition after power-up before instruction acceptance |
| DO / IO1 (Pin 2) | Data Output / Quad I/O bidirectional | Unidirectional output in Standard SPI; becomes bidirectional IO1 in Dual/Quad modes; used for status/data reads on falling CLK edge |
| /WP / IO2 (Pin 3) | Write Protect input / Quad I/O bidirectional | Hardware lock for Status Register when QE=0; repurposed as IO2 in Quad mode (QE=1) |
| GND (Pin 4) | Ground reference | Primary return path for VCC and all I/O signals; must be low-impedance for stable SPI timing |
| DI / IO0 (Pin 5) | Data Input / Quad I/O bidirectional | Unidirectional input in Standard SPI; becomes bidirectional IO0 in Dual/Quad modes; accepts instructions/addresses on rising CLK edge |
| CLK (Pin 6) | Serial Clock input | Master-generated timing signal; supports SPI Mode 0 and Mode 3; determines max 104 MHz operation |
| /HOLD / IO3 (Pin 7) | Hold input / Quad I/O bidirectional | Pauses ongoing SPI transfer while /CS is low; repurposed as IO3 in Quad mode (QE=1) |
| VCC (Pin 8) | Power supply | Single 2.7–3.6 V supply; powers internal charge pumps for erase/program operations |
Key Features
| Feature | Design Value |
|---|---|
| Continuous Read Mode | Enables true XIP execution with only 8-clock instruction overhead per 24-bit address, eliminating need for external RAM buffering |
| Quad SPI Enable (QE) | Non-volatile bit in Status Register-2; once set, permanently reassigns /WP and /HOLD to IO2/IO3 - requires explicit reset to revert |
| Security Registers | Three 256-byte OTP-locked security registers for firmware keys, calibration data, or device-specific credentials |
| Hardware Write Protection | Combines /WP pin with BP0–BP2, TB, SEC, and SRP bits to protect any 4 KB sector or top/bottom array region independently |
| Unique Device ID | 64-bit factory-programmed serial number (read via 4Bh instruction) - enables secure device authentication and traceability |
| JEDEC SFDP Support | Read-once SFDP register (5Ah) provides standardized, vendor-agnostic timing and feature parameters for automated configuration |
Applications
| Boot Code Storage | Firmware Over-the-Air (OTA) |
|---|---|
Use Scenario: Storing bootloader and primary application firmware for ARM Cortex-M or RISC-V microcontrollers during cold start. IC Role / Device Role / Timing Role: Non-volatile code storage with XIP-capable Quad SPI interface enabling direct CPU execution without RAM load delay. Use Value: Reduces system BOM by eliminating external parallel flash; cuts boot time by >30% vs. Standard SPI due to 416 MB/s Quad I/O throughput. | Use Scenario: Securely receiving and validating encrypted firmware updates in connected industrial sensors or smart meters. IC Role / Device Role / Timing Role: Dual-bank capable storage (via sector-level erase control) allowing atomic update with rollback safety. Use Value: Enables field-upgradable devices with zero downtime using 4 KB sector granularity and hardware write-protection of critical boot sectors. |
| Parameter & Calibration Data | Audio/Text Asset Storage |
Use Scenario: Retaining sensor calibration coefficients, user preferences, and runtime configuration across power cycles in medical diagnostics equipment. IC Role / Device Role / Timing Role: High-endurance 4 KB sector storage with 100,000 erase cycles - optimized for frequent small-write operations. Use Value: Eliminates need for separate EEPROM; leverages same Quad SPI bus for both code and data, simplifying PCB routing and firmware drivers. | Use Scenario: Hosting voice prompts, multilingual UI text, or waveform assets in portable audio devices or home automation hubs. IC Role / Device Role / Timing Role: High-throughput sequential read device supporting continuous streaming via Fast Read Quad I/O (EBh) instruction. Use Value: Delivers 52 MB/s sustained read rate - sufficient for real-time playback of compressed audio without buffer underrun. |
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 density (16 M-bit), 104 MHz max clock, but lacks Quad SPI I/O (supports only Dual I/O); no SFDP register | Not suitable for XIP-critical designs requiring Quad I/O bandwidth; limited auto-configuration capability | Select only if Quad mode is unnecessary and cost sensitivity outweighs future-proofing needs |
| S25FL116K0XMFI041 | 16 M-bit, 85 MHz max clock, supports Quad SPI and SFDP, but uses different status register layout and lacks OTP security registers | Compatible for basic code storage, but cannot replace W25Q16CVZPJG in designs requiring secure credential storage | Choose when security register isolation is not required and lower clock speed is acceptable |
Compared with MX25L1606EZN-12G and S25FL116K0XMFI041, the W25Q16CVZPJG delivers higher bandwidth (104 MHz Quad), integrated SFDP for plug-and-play timing, and hardware-secured OTP registers - making it optimal for secure, high-performance embedded boot and OTA applications.
Availability
W25Q16CVZPJG is available at Aetrix Electronics and suitable for industrial control panels, automotive infotainment head units, and medical diagnostic instruments requiring stable component supply, long-lifecycle support, and guaranteed traceable sourcing.
Supply support for W25Q16CVZPJG 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 NOR/NAND flash and PSRAM, serving industrial, automotive, and consumer markets since 1987.
The W25Q series was designed for high-reliability embedded systems needing fast, secure, and flexible code and data storage - emphasizing Quad SPI performance, sector-level protection, and long-term data integrity.
FAQ
What is the package type and pin count of the W25Q16CVZPJG?
The W25Q16CVZPJG uses an 8-pin SOIC 208-mil package (package code SS). It has eight physical terminals: /CS, DO (IO1), /WP (IO2), GND, DI (IO0), CLK, /HOLD (IO3), and VCC. Pin functions adapt to SPI mode - e.g., /WP and /HOLD become IO2 and IO3 in Quad SPI when the QE bit is set. This matches the mechanical and thermal specifications defined in Winbond's official package drawing for SS.
Does the W25Q16CVZPJG support execute-in-place (XIP) operation?
Yes, the W25Q16CVZPJG supports true XIP via its Continuous Read Mode, which reduces instruction overhead to just 8 clocks for addressing - enabling microcontrollers to fetch and execute code directly from flash without loading into RAM. This is validated by Fast Read Quad I/O (EBh) and Word Read Quad I/O (E7h) instructions in the datasheet, and requires QE bit = 1 and proper SPI controller configuration for Quad mode.
How is hardware write protection implemented on the W25Q16CVZPJG?
Hardware write protection on the W25Q16CVZPJG combines the /WP pin with non-volatile status register bits (BP2–BP0, TB, SEC, SRP0/SRP1). When /WP is held low and SRP bits are set, writes to protected sectors - down to individual 4 KB sectors - are blocked. The /WP pin is inactive in Quad mode (QE=1), so protection relies solely on status register configuration. This dual-layer scheme prevents accidental firmware corruption during power transients or software faults.
What is the role of the Quad Enable (QE) bit in the W25Q16CVZPJG?
The Quad Enable (QE) bit is a non-volatile flag in Status Register-2 that, when set to 1, reconfigures /WP and /HOLD pins as IO2 and IO3 to enable full Quad SPI operation. Once written, QE persists through power cycles and must be explicitly cleared to restore Standard/Dual mode pin functions. QE activation is mandatory for instructions like Fast Read Quad I/O (EBh) and is verified by reading Status Register-2 (35h).
Can the W25Q16CVZPJG be used in automotive applications?
The W25Q16CVZPJG is rated for -40°C to +85°C operation and meets industrial reliability standards (100,000 erase cycles, 20-year data retention), but it is not AEC-Q100 qualified. For automotive applications requiring qualification, Winbond offers the AEC-Q100 Grade 3 W25Q16JW variant. The W25Q16CVZPJG may be used in non-safety-critical automotive subsystems (e.g., infotainment UI assets) where qualification is not mandated by OEM requirements.
W25Q16CVZPJG Specifications
- Product attributes
- Attribute value
- Manufacturer:
- Winbond Electronics Corporation
- Series:
- SpiFlash®
- Package/Case:
- 8-WDFN Exposed Pad
- Packaging:
- Tube
- 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
- Clock Frequency:
- 104 MHz
- Write Cycle Time - Word, Page:
- 50µs, 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-WSON (6x5)
W25Q16CVZPJG FAQ
1.How can I place an order for W25Q16CVZPJG through Aetrix?
Please submit a Request for Quotation (RFQ) for W25Q16CVZPJG 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 W25Q16CVZPJG reliable?
The price and inventory of W25Q16CVZPJG are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for W25Q16CVZPJG is usually 5 days.
3.What payment methods are accepted for W25Q16CVZPJG?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for W25Q16CVZPJG transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for W25Q16CVZPJG?
W25Q16CVZPJG orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your W25Q16CVZPJG 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 W25Q16CVZPJG?
For technical support, including W25Q16CVZPJG datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your W25Q16CVZPJG requirements.
6.How does Aetrix verify that W25Q16CVZPJG is sourced from the original manufacturer or authorized distributors?
All W25Q16CVZPJG 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 W25Q16CVZPJG meets industry standards.
7.What is the process for return or replacement of W25Q16CVZPJG?
All W25Q16CVZPJG units undergo pre-shipment inspection (PSI). If there is an issue with W25Q16CVZPJG, 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 W25Q16CVZPJG part is unused and in its original packaging.
Return procedure for W25Q16CVZPJG:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
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