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Winbond Electronics Corporation W25Q16CVZPJG TR
- Part No.:
- W25Q16CVZPJG TR
- Manufacturer:
- Winbond Electronics Corporation
- Category:
- Memory
- Package:
- 8-WDFN Exposed Pad
- Datasheet:
-
W25Q16CVZPJG TR.pdf
- Description:
- IC FLASH 16MBIT SPI/QUAD 8WSON
- Quantity:
- Payment:
- Shipping:
Inventory:4,478
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Product details
Overview
W25Q16CVZPJG TR 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 architecture, and hardware write protection via /WP and /HOLD pins - deployed in embedded boot code storage, firmware update partitions, and XIP-capable microcontroller systems.
For engineers reviewing the W25Q16CVZPJG TR datasheet, W25Q16CVZPJG TR pinout, W25Q16CVZPJG TR application, or W25Q16CVZPJG TR equivalent, key selection criteria include Quad Enable (QE) bit configuration, 4 KB sector erase granularity, 2.7–3.6 V single-supply operation, and compatibility with SPI Mode 0/3 timing requirements for reliable boot loader integration.
Technical Context
The W25Q16CVZPJG TR implements a SPI command-and-control logic core with dual-mode status registers (SR-1/SR-2), where SR-2's Quad Enable (QE) bit must be set to activate IO2 (/WP) and IO3 (/HOLD) for Quad I/O operations. It supports JEDEC-standard manufacturer/device ID (90h/9Fh), SFDP register (5Ah), and 64-bit unique serial number (4Bh) for system-level identification and configuration.
Its block diagram integrates a 256-byte page buffer, column/row decode logic, high-voltage generators for erase/program, and three 256-byte security registers with OTP locks. Erase suspend/resume (75h/7Ah) and continuous read mode (77h) enable deterministic real-time firmware execution without bus contention.
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 SPI (CLK, /CS, DI, DO, /WP, /HOLD), Dual SPI (IO0/IO1), Quad SPI (IO0–IO3) with QE=1 |
| Max Clock Frequency | 104 MHz for standard/Dual/Quad SPI; enables 416 MHz equivalent data rate in Quad I/O mode |
| Erase Granularity | Uniform 4 KB sectors (512 total), 32 KB blocks (32), 64 KB blocks (16), and full chip erase |
| Write Endurance | 100,000 program/erase cycles per sector, ensuring long-term field reliability in firmware update scenarios |
| Data Retention | 20 years at +25°C, validated for industrial temperature range (-40°C to +85°C) |
| Supply Voltage | Single 2.7 V to 3.6 V rail; active current ≤4 mA, power-down current ≤1 µA (typ.) |
Pinout & Package
W25Q16CVZPJG TR 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 pins support Standard/Dual SPI; Quad SPI requires QE=1 to repurpose /WP and /HOLD as IO2/IO3.
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| /CS (Pin 1) | Chip Select Input | Active-low enable: high = high-impedance DO, low = active SPI communication and increased current draw |
| DO (IO1) (Pin 2) | Serial Data Output / Bidirectional I/O | Outputs data/status in Standard SPI; becomes bidirectional IO1 in Dual/Quad modes for concurrent read/write |
| /WP (IO2) (Pin 3) | Write Protect Input / Bidirectional I/O | Hardware lock for status register when QE=0; becomes IO2 in Quad mode (QE=1) for 4-line data transfer |
| GND (Pin 4) | Ground Reference | Primary return path for VCC and all I/O signals; must be low-impedance for stable SPI timing and noise immunity |
| DI (IO0) (Pin 5) | Serial Data Input / Bidirectional I/O | Accepts instructions/addresses/data in Standard SPI; becomes bidirectional IO0 in Dual/Quad modes |
| CLK (Pin 6) | Serial Clock Input | Edge-triggered timing source: rising edge for input, falling edge for output; supports Mode 0 (CPOL=0, CPHA=0) and Mode 3 (CPOL=1, CPHA=1) |
| /HOLD (IO3) (Pin 7) | Hold Input / Bidirectional I/O | Pauses ongoing SPI transaction when low and /CS active; becomes IO3 in Quad mode (QE=1) |
| VCC (Pin 8) | Power Supply | 2.7–3.6 V supply; powers internal high-voltage generators for erase/program; decoupling capacitor required |
Key Features
| Feature | Design Value |
|---|---|
| Quad SPI with QE bit control | Enables 4-line bidirectional data transfer only after non-volatile QE=1 setting in Status Register-2, preventing accidental mode change |
| Continuous Read Mode (77h) | Reduces instruction overhead to 8 clocks for 24-bit address access, enabling true XIP execution without external RAM buffering |
| Erase/Program Suspend & Resume | Allows interruption of long-duration erase/program cycles (e.g., 64 KB block erase) to service higher-priority interrupts, then resume from same point |
| 64-bit Unique Serial Number | Provides immutable device identity for secure firmware binding, anti-cloning, and field asset tracking without external EEPROM |
| Security Registers with OTP locks | Three 256-byte security registers protected by one-time-programmable (OTP) bits, suitable for storing cryptographic keys or calibration data |
Applications
| Boot Code Storage | Firmware Update Partition |
|---|---|
Use Scenario: Storing primary bootloader and 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 instruction fetch without RAM copy. Use Value: Eliminates boot ROM dependency and reduces BOM count; 4 KB sector erase allows atomic firmware patching without corrupting running code. | Use Scenario: Dedicated partition for over-the-air (OTA) firmware updates in industrial gateways and IoT edge devices. IC Role / Device Role / Timing Role: Isolated, wear-leveled storage region managed by host MCU using erase-suspend to avoid interrupt latency during large-block writes. Use Value: Enables safe dual-bank update schemes with rollback capability; 100K-cycle endurance supports >5 years of daily updates. |
| Configuration Parameter Storage | Secure Key Vault |
Use Scenario: Retaining factory-calibrated sensor offsets, network credentials, and user preferences across power cycles in medical instrumentation. IC Role / Device Role / Timing Role: Low-power, byte-addressable parameter store accessed via Fast Read (0Bh) or Dual I/O (3Bh) for minimal wake-up latency. Use Value: 4 KB sector granularity permits independent erasure of user settings without affecting calibration data; hardware /WP pin prevents accidental overwrite during brown-out. | Use Scenario: Storing AES-256 keys and certificate chains in automotive telematics modules requiring ISO 21434 compliance. IC Role / Device Role / Timing Role: Tamper-resistant key repository using OTP-locked security registers and SFDP-defined memory protection boundaries. Use Value: Prevents key extraction via physical probing; 64-bit unique ID binds keys to specific hardware, blocking cloning attacks. |
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 |
|---|---|---|---|
| MX25L1606EZN-12G | Same density (16 M-bit), 104 MHz max clock, but lacks Quad Enable bit; uses /WP and /HOLD as dedicated control pins only | No native Quad SPI support; requires external glue logic or controller-side bit-banging for 4-line transfers | Select when Quad SPI is unnecessary and legacy SPI-only design simplifies validation. |
| S25FL116K0XMFI011 | 16 M-bit, 85 MHz max clock, supports Quad SPI via volatile QE bit (reset on power cycle); no OTP-locked security registers | Requires runtime QE reconfiguration; security register contents lost on reset, limiting key persistence | Select when lower cost and Cypress-compatible toolchain outweigh need for non-volatile QE and OTP security. |
Compared with MX25L1606EZN-12G and S25FL116K0XMFI011, W25Q16CVZPJG TR provides guaranteed non-volatile Quad Enable and OTP-protected security registers - critical for XIP-critical boot loaders and cryptographic key storage where mode persistence and tamper resistance are mandatory.
Availability
W25Q16CVZPJG TR is available at Aetrix Electronics and suitable for boot code storage, firmware update partitions, and secure key vault applications requiring stable component supply, long-term lifecycle assurance, and industrial temperature-grade reliability.
Supply support for W25Q16CVZPJG 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 memory solutions including NOR/NAND flash, SRAM, and mobile DRAM for embedded, industrial, and communications markets.
The W25Q series targets high-performance serial flash applications demanding XIP capability, flexible erase granularity, and integrated security - designed specifically for microcontroller-based systems needing reliable, low-pin-count code and data storage.
FAQ
What is the package type and pin count of W25Q16CVZPJG TR?
W25Q16CVZPJG TR uses an 8-pin SOIC 208-mil package (package code SS). Its pinout includes /CS, DO (IO1), /WP (IO2), GND, DI (IO0), CLK, /HOLD (IO3), and VCC. This matches the standard 8-pin serial flash footprint and supports drop-in replacement in existing SOIC-8 layouts designed for SPI flash.
Does W25Q16CVZPJG TR support Quad SPI operation out of the box?
No - W25Q16CVZPJG TR requires the non-volatile Quad Enable (QE) bit in Status Register-2 to be set before /WP and /HOLD pins function as IO2 and IO3. This is a one-time configuration step performed via Write Status Register (01h) instruction; once set, QE persists through power cycles.
How does the 4 KB sector architecture benefit firmware update implementations using W25Q16CVZPJG TR?
The uniform 4 KB sector erase structure in W25Q16CVZPJG TR enables atomic, low-risk firmware patching: only the modified sector is erased and rewritten, preserving adjacent code and parameters. This eliminates risk of bricking during partial updates and supports robust dual-bank OTA schemes without requiring full-chip erase.
Can W25Q16CVZPJG TR be used for execute-in-place (XIP) operation?
Yes - W25Q16CVZPJG TR supports true XIP via Continuous Read Mode (77h), which reduces instruction overhead to just 8 clocks for 24-bit addressing. Combined with Quad SPI's 416 MHz equivalent data rate, it delivers sufficient bandwidth for direct CPU instruction fetch in Cortex-M4/M7 and RISC-V cores without intermediate RAM buffering.
What security features does W25Q16CVZPJG TR provide beyond basic write protection?
W25Q16CVZPJG TR includes three 256-byte security registers with OTP lock bits, a 64-bit unique serial number per device, SFDP register for discoverable parameters, and hardware-enforced top/bottom array protection. These features collectively enable secure key storage, device authentication, and tamper-resistant firmware binding not possible with standard SPI flash.
W25Q16CVZPJG TR Specifications
- Product attributes
- Attribute value
- Manufacturer:
- Winbond Electronics Corporation
- Series:
- SpiFlash®
- Package/Case:
- 8-WDFN Exposed Pad
- 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
- 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 TR FAQ
1.How can I place an order for W25Q16CVZPJG TR through Aetrix?
Please submit a Request for Quotation (RFQ) for W25Q16CVZPJG 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 W25Q16CVZPJG TR reliable?
The price and inventory of W25Q16CVZPJG TR are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for W25Q16CVZPJG TR is usually 5 days.
3.What payment methods are accepted for W25Q16CVZPJG TR?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for W25Q16CVZPJG TR transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for W25Q16CVZPJG TR?
W25Q16CVZPJG TR orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your W25Q16CVZPJG 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 W25Q16CVZPJG TR?
For technical support, including W25Q16CVZPJG TR datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your W25Q16CVZPJG TR requirements.
6.How does Aetrix verify that W25Q16CVZPJG TR is sourced from the original manufacturer or authorized distributors?
All W25Q16CVZPJG 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 W25Q16CVZPJG TR meets industry standards.
7.What is the process for return or replacement of W25Q16CVZPJG TR?
All W25Q16CVZPJG TR units undergo pre-shipment inspection (PSI). If there is an issue with W25Q16CVZPJG 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 W25Q16CVZPJG TR part is unused and in its original packaging.
Return procedure for W25Q16CVZPJG TR:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
W25Q16CVZPJG TR Tags
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M24C02-WMN6TP
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AT24C02C-XHM-T
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AT21CS01-STUM10-T
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M24C02-FMC6TG
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