Winbond Electronics Corporation W25Q80JVSSIQ
- Part No.:
- W25Q80JVSSIQ
- Manufacturer:
- Winbond Electronics Corporation
- Category:
- Memory
- Package:
- 8-SOIC (0.209", 5.30mm Width)
- Datasheet:
-
W25Q80JVSSIQ.pdf
- Description:
- IC FLASH 8MBIT SPI/QUAD 8SOIC
- Quantity:
- Payment:

- Shipping:

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Product details
Overview
W25Q80JVSSIQ from Winbond is an 8 M-bit (1 MB) serial NOR flash memory supporting Standard, Dual, and Quad SPI interfaces in an 8-pin SOIC-150-mil package. It delivers up to 133 MHz clock rate, 532 MHz equivalent Quad I/O throughput, 4 KB uniform sector erase, and 100K program-erase cycles per sector - enabling code shadowing, XIP execution, and firmware storage in space-constrained embedded systems.
For engineers reviewing the W25Q80JVSSIQ datasheet, W25Q80JVSSIQ pinout, W25Q80JVSSIQ application, or W25Q80JVSSIQ equivalent, this page provides verified pin functions, JEDEC-compliant ID support, SFDP register access, 64-bit unique ID, and hardware/software write protection schemes critical for secure boot and OTA update designs.
Technical Context
The W25Q80JVSSIQ implements a quad-capable SPI interface with configurable IO0–IO3 pins, supporting Fast Read Quad I/O (EBh) at up to 133 MHz for 532 Mbps effective bandwidth. Its internal architecture includes a 256-byte page buffer, 256 × 4 KB erasable sectors, and three status registers with volatile/non-volatile control bits for block/sector protection, Quad Enable (QE), and output driver strength.
It integrates JEDEC-standard Manufacturer/Device ID (9Fh), SFDP register (5Ah), and a 64-bit unique serial number (4Bh). Write protection is enforced via multiple layers: Status Register Lock (SRL), Block Protect (BP2–BP0), Top/Bottom (TB), Complement (CMP), Sector Protect (SEC), and Individual Block Locks - all configurable via Write Status Register instructions.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| Memory Density | 8 M-bit (1,048,576 bytes), organized as 4,096 × 256-byte programmable pages |
| Interface Support | Standard SPI (CLK, /CS, DI, DO), Dual SPI (IO0/IO1), Quad SPI (IO0–IO3) with factory-default Quad Enable |
| Max Clock Frequency | 133 MHz single-ended; enables 266 MHz (Dual I/O) or 532 MHz (Quad I/O) effective data rates |
| Erase Granularity | Uniform 4 KB sectors (256 total), 32 KB blocks (128 sectors), 64 KB blocks (256 sectors), and full chip erase |
| Endurance & Retention | 100,000 program-erase cycles per sector; >20 years data retention at +25°C |
| Supply Voltage | 2.7 V to 3.6 V single supply; typical power-down current <1 µA |
| Operating Temperature | –40°C to +85°C industrial grade; supports reliable operation in embedded controllers and IoT edge nodes |
Pinout & Package
W25Q80JVSSIQ uses an 8-pin SOIC-150-mil package (Package Code SN), with lead-free, RoHS-compliant construction and standard 1.27 mm pitch.
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| 1 /CS | Chip Select Input | Active-low enable; high-impedance DO/IOx outputs when high; must track VCC during power-up/down |
| 2 DO (IO1) | Data Output / I/O1 | Serial data output in Standard SPI; bidirectional I/O in Dual/Quad modes; used with IO0 for Dual I/O |
| 3 IO2 | Data Input/Output 2 | Bidirectional quad-data line; required for Quad SPI read/write operations (e.g., EBh, 32h) |
| 4 GND | Ground Reference | Primary signal return path; decoupling capacitor must be placed near this pin for stable SPI timing |
| 5 DI (IO0) | Data Input / I/O0 | Serial instruction/address/data input in Standard SPI; bidirectional I/O in Dual/Quad modes |
| 6 CLK | Serial Clock Input | Edge-triggered timing source; supports SPI Mode 0 and Mode 3; max 133 MHz frequency |
| 7 IO3 | Data Input/Output 3 | Bidirectional quad-data line; enables full 4-line Quad I/O operation (e.g., 6Bh, EBh) |
| 8 VCC | Power Supply | 2.7–3.6 V core supply; requires local 0.1 µF ceramic decoupling; powers internal HV generators |
Key Features
| Feature | Design Value |
|---|---|
| Quad SPI XIP Support | Enables Execute-in-Place from flash using Fast Read Quad I/O (EBh), reducing RAM footprint in MCU boot loaders |
| JEDEC SFDP Register | Provides standardized, discoverable configuration parameters (e.g., erase sizes, timing) for automated toolchain integration |
| 64-bit Unique ID | Factory-programmed immutable serial number (read via 4Bh) for device authentication and secure provisioning |
| Three Security Registers | 256-byte × 3 OTP-lockable registers (42h/44h/48h) for storing keys, certificates, or calibration data with hardware-enforced write protection |
| Individual Block Lock | Per-block (64 KB) and per-sector (4 KB) lock bits allow fine-grained firmware partitioning - e.g., locking bootloader while updating application |
| Volatile/Non-Volatile Protection | Status Register bits (BP2–BP0, TB, SEC, CMP, WPS) can be set either temporarily (volatile) or permanently (non-volatile) for flexible security policies |
Applications
| Industrial PLC Firmware Storage | IoT Edge Device OTA Updates |
|---|---|
|
Use Scenario: Storing and verifying firmware images in programmable logic controllers operating in harsh environments with wide temperature swings. IC Role / Device Role / Timing Role: Non-volatile code storage with Quad SPI XIP capability and hardware write protection to prevent corruption during brown-out events. Use Value: 4 KB sector granularity enables atomic firmware patching; 100K endurance ensures >10 years of field updates without wear-out. |
Use Scenario: Secure over-the-air firmware delivery and installation on battery-powered sensor nodes with limited RAM and no external EEPROM. IC Role / Device Role / Timing Role: Primary boot memory holding signed firmware images, validated via 64-bit unique ID and security registers before execution. Use Value: SFDP register allows dynamic adaptation to erase/program timing; Individual Block Lock secures bootloader region from remote overwrite. |
| Medical Diagnostic Instrument Bootloader | Automotive Infotainment HMI Storage |
|
Use Scenario: Hosting certified bootloader code in Class II medical devices requiring traceable, tamper-resistant firmware storage. IC Role / Device Role / Timing Role: Secure, write-protected memory for boot code with OTP-locked security registers holding cryptographic keys. Use Value: SRL + CMP + TB bits enforce read-only access post-certification; >20-year data retention meets long-lifecycle regulatory requirements. |
Use Scenario: Storing graphical assets, voice prompts, and configuration profiles in automotive head units with strict AEC-Q100 alignment needs. IC Role / Device Role / Timing Role: High-bandwidth Quad SPI memory supporting rapid UI asset loading during cold start and resume-from-sleep. Use Value: 532 Mbps effective throughput reduces GUI initialization time by >60% vs. standard SPI; –40°C to +85°C rating matches vehicle cabin specs. |
Equivalent & Alternatives
The following parts are listed as comparable options for similar serial NOR flash applications.
| Alternative Part | Technical Difference | Application Difference | Selection Advice |
|---|---|---|---|
| MX25L8006EM1I-12G | 8 M-bit, 133 MHz max, SOIC-8; lacks SFDP register and 64-bit UID; supports only Standard/Dual SPI (no factory Quad Enable) | No native Quad I/O or XIP optimization; requires software workarounds for fast read; no built-in security registers | Select when Quad SPI is unnecessary and cost sensitivity outweighs security and configurability needs |
| S25FL008KAGMFI010 | 8 M-bit, 80 MHz max, SOIC-8; includes SFDP and 64-bit UID but uses different command set (e.g., no 32h Quad Page Program) | Lower bandwidth limits real-time GUI streaming; security model relies on sector locks only - no individual block lock or OTP registers | Prefer for Cypress/Fujitsu ecosystem compatibility where command-set consistency matters more than peak throughput |
Compared with MX25L8006EM1I-12G and S25FL008KAGMFI010, W25Q80JVSSIQ delivers higher Quad I/O bandwidth, factory-configured Quad Enable, integrated security registers with OTP locks, and finer 4 KB sector control - making it optimal for secure, high-performance embedded boot and update architectures.
Availability
W25Q80JVSSIQ is available at Aetrix Electronics and suitable for industrial PLCs, IoT edge gateways, medical diagnostic instruments, automotive HMIs, and secure bootloader implementations requiring stable component supply, long-term lifecycle assurance, and RoHS-compliant packaging.
Supply support for W25Q80JVSSIQ 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, RAM, and mobile DRAM for industrial, automotive, and consumer applications.
The W25Q series targets high-reliability embedded systems requiring fast, secure, and flexible non-volatile storage - with design emphasis on XIP capability, multi-layer write protection, and JEDEC-standard configurability for automated toolchains.
FAQ
What is the factory default state of Quad Enable (QE) for W25Q80JVSSIQ?
The W25Q80JVSSIQ ships with Quad Enable (QE) bit set in Status Register-2 (bit S1), enabling Quad SPI mode by default. This allows immediate use of Quad I/O instructions like Fast Read Quad I/O (EBh) without prior configuration - critical for plug-and-play XIP boot scenarios. The QE bit is non-volatile and persists across power cycles unless explicitly cleared via Write Status Register-2 (31h).
Does W25Q80JVSSIQ support hardware reset, and if so, how is it implemented?
W25Q80JVSSIQ does not include a dedicated /RESET pin in the SOIC-150-mil (SSIQ) package. Hardware reset is only available on SOIC-16 and TFBGA variants per the datasheet. For W25Q80JVSSIQ, system-level reset must be handled via software sequence: Enable Reset (66h) followed by Reset Device (99h), which resets internal logic within ~30 µs. No external pin is allocated for hardware reset in this variant.
How is write protection enforced on W25Q80JVSSIQ during power-up sequences?
W25Q80JVSSIQ enforces automatic write protection at power-up: the Write Enable Latch (WEL) defaults to 0 (disabled), and all program/erase instructions are blocked for tPUW (~5 ms) after VCC exceeds VWI. Additionally, /CS must track VCC during ramp-up; failure to do so may cause spurious commands. This dual-layer enforcement prevents accidental writes during unstable supply conditions - a key requirement for fail-safe firmware storage.
Can W25Q80JVSSIQ be used for secure key storage, and what hardware features support this?
Yes, W25Q80JVSSIQ supports secure key storage via three 256-byte Security Registers (SR1–SR3), each protected by One-Time-Programmable (OTP) lock bits (LB1–LB3). Once locked, these registers become read-only and immune to overwrite - ideal for storing cryptographic keys, device certificates, or calibration secrets. Access is controlled through dedicated instructions (42h/44h/48h), and the 64-bit unique ID (4Bh) enables binding keys to specific hardware instances.
What is the significance of the "SSIQ" suffix in W25Q80JVSSIQ?
The "SSIQ" suffix in W25Q80JVSSIQ denotes the specific ordering option: "SS" indicates 8-pin SOIC-208-mil package (though datasheet confirms SN/SV/SS all share identical pinout), and "IQ" specifies factory-programmed Quad Enable (QE=1) and Industrial temperature range (–40°C to +85°C). This suffix ensures guaranteed Quad SPI readiness and extended thermal compliance - distinguishing it from base W25Q80JV variants requiring manual QE setup.
W25Q80JVSSIQ Specifications
- Product attributes
- Attribute value
- Manufacturer:
- Winbond Electronics Corporation
- Series:
- SpiFlash®
- Package/Case:
- 8-SOIC (0.209", 5.30mm Width)
- Packaging:
- Tube
- Product Status:
- Obsolete
- Programmable:
- Verified
- Memory Type:
- Non-Volatile
- Memory Format:
- FLASH
- Technology:
- FLASH - NOR
- Memory Size:
- 8Mbit
- Memory Organization:
- 1M 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 ~ 85°C (TA)
- Grade:
- -
- Qualification:
- -
- Mounting Type:
- Surface Mount
- Supplier Device Package:
- 8-SOIC
W25Q80JVSSIQ FAQ
1.How can I place an order for W25Q80JVSSIQ through Aetrix?
Please submit a Request for Quotation (RFQ) for W25Q80JVSSIQ 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 W25Q80JVSSIQ reliable?
The price and inventory of W25Q80JVSSIQ are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for W25Q80JVSSIQ is usually 5 days.
3.What payment methods are accepted for W25Q80JVSSIQ?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for W25Q80JVSSIQ transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for W25Q80JVSSIQ?
W25Q80JVSSIQ orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your W25Q80JVSSIQ 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 W25Q80JVSSIQ?
For technical support, including W25Q80JVSSIQ datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your W25Q80JVSSIQ requirements.
6.How does Aetrix verify that W25Q80JVSSIQ is sourced from the original manufacturer or authorized distributors?
All W25Q80JVSSIQ 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 W25Q80JVSSIQ meets industry standards.
7.What is the process for return or replacement of W25Q80JVSSIQ?
All W25Q80JVSSIQ units undergo pre-shipment inspection (PSI). If there is an issue with W25Q80JVSSIQ, 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 W25Q80JVSSIQ part is unused and in its original packaging.
Return procedure for W25Q80JVSSIQ:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
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