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Winbond Electronics Corporation W25Q32BVSFJG
- Part No.:
- W25Q32BVSFJG
- Manufacturer:
- Winbond Electronics Corporation
- Category:
- Memory
- Package:
- 16-SOIC (0.295", 7.50mm Width)
- Datasheet:
-
W25Q32BVSFJG.pdf
- Description:
- IC FLASH 32MBIT SPI/QUAD 16SOIC
- Quantity:
- Payment:
- Shipping:
Inventory:3,027
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Product details
Overview
W25Q32BVSFJG from Winbond is a 32M-bit (4MB) serial NOR flash memory IC supporting Standard, Dual, and Quad SPI interfaces with 104 MHz dual-output and 80 MHz quad-output clock rates. It features uniform 4KB sectors, 64KB blocks, 256-byte page programming, and hardware write protection via /WP and /HOLD pins. It is used for code shadowing, XIP execution, and firmware storage in embedded microcontrollers.
For engineers reviewing the W25Q32BVSFJG datasheet, W25Q32BVSFJG pinout, W25Q32BVSFJG application, or W25Q32BVSFJG equivalent, key selection criteria include Quad SPI enable (QE bit), 4KB sector erase granularity, JEDEC ID (EF4016), SFDP register support, and compatibility with 2.7–3.6V supply and -40°C to +85°C industrial temperature range.
Technical Context
The W25Q32BVSFJG implements a SPI command set compliant with JEDEC JESD216 (SFDP v1.5), enabling auto-configuration of read latencies and timing parameters. Its status register includes non-volatile BP0–BP2, TB, SEC, CMP, SRP0/SRP1, and QE bits - the latter required to activate Quad I/O mode by repurposing /WP and /HOLD as IO2/IO3.
It supports full instruction-level compatibility with legacy SPI Flash: Standard SPI (DI/DO), Dual SPI (IO0/IO1), and Quad SPI (IO0–IO3), with Fast Read Quad I/O (EBh) achieving up to 320 MB/s effective throughput. Erase/program suspend/resume functionality enables concurrent background operations without interrupting host control flow.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| Memory Density | 32 M-bit (4,194,304 bytes), organized as 16,384 × 256-byte pages |
| Interface Support | Standard/Dual/Quad SPI; requires QE=1 in Status Register-2 to enable Quad I/O mode |
| Max Clock Frequency | 104 MHz for Dual SPI, 80 MHz for Quad SPI; yields 208 MB/s (Dual) or 320 MB/s (Quad) effective data rate |
| Erase Granularity | Uniform 4KB sectors (1,024 total), 32KB blocks (128), 64KB blocks (64), and full chip erase |
| Write Endurance | 100,000 program/erase cycles per sector, with >20-year data retention at +85°C |
| Supply Voltage | 2.7 V to 3.6 V single supply; active current ≤4 mA, power-down current ≤1 µA (typ.) |
| Operating Temp | -40°C to +85°C industrial grade; validated across full voltage and temperature range |
Pinout & Package
W25Q32BVSFJG uses an 8-pin SOIC 300-mil package (package code SF), with 8 functional pins and 8 no-connect (NC) terminals occupying pins 3–6 and 11–14. Pin functions are defined per JEDEC-compliant SPI interface operation and depend on mode (Standard/Dual/Quad).
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| 1 | /HOLD (IO3) | Active-low hold input; becomes IO3 in Quad SPI mode when QE=1; suspends ongoing read/write without losing internal state |
| 2 | VCC | Primary power supply input (2.7–3.6 V); decoupling capacitor required near pin |
| 7 | /CS | Chip select input; must transition high→low after power-up before first instruction; enables SPI communication |
| 8 | DO (IO1) | Data output in Standard/Dual SPI; becomes bidirectional IO1 in Dual/Quad modes; driven low-impedance during read |
| 9 | /WP (IO2) | Hardware write protect input; becomes IO2 in Quad SPI mode when QE=1; asserts low to lock status register writes |
| 10 | GND | Ground reference; must be connected to system common ground plane with low-inductance path |
| 15 | DI (IO0) | Data input in Standard/Dual SPI; becomes bidirectional IO0 in Dual/Quad modes; samples on rising CLK edge |
| 16 | CLK | Serial clock input; supports Mode 0 (CPOL=0, CPHA=0) and Mode 3 (CPOL=1, CPHA=1); timing critical for setup/hold compliance |
Key Features
| Feature | Design Value |
|---|---|
| Quad Enable (QE) bit | Non-volatile bit in Status Register-2 that unlocks IO2/IO3 functionality; required for all Quad SPI instructions |
| Continuous Read Mode | Reduces instruction overhead to 8 clocks for 24-bit address access; enables true XIP (execute-in-place) from flash |
| Security Registers | Three 256-byte OTP-locked security registers for firmware keys, calibration data, or device-specific secrets |
| SFDP Register | JESD216-compliant Serial Flash Discoverable Parameters table at 000000h; allows automatic driver configuration |
| Erase/Program Suspend | Allows pausing erase or program operations mid-execution to service time-critical interrupts; resumes from same address |
Applications
| Industrial PLC Firmware Storage | Automotive ADAS Boot Code |
|---|---|
|
Use Scenario: Storing boot firmware and configuration tables in programmable logic controllers operating in harsh factory environments. IC Role / Device Role / Timing Role: Non-volatile code storage with XIP capability and hardware write protection to prevent accidental corruption during brown-out events. Use Value: 4KB sector granularity enables independent update of parameter banks without erasing full application image; -40°C to +85°C rating ensures reliability across ambient shifts. |
Use Scenario: Hosting boot loader and safety-critical sensor fusion algorithms in automotive camera or radar ECUs. IC Role / Device Role / Timing Role: High-speed Quad SPI interface delivers >300 MB/s read throughput for fast cold-boot initialization under ISO 26262 ASIL-B constraints. Use Value: JEDEC ID and 64-bit unique serial number support secure boot chain verification; SFDP enables automatic timing adaptation across ECU variants. |
| Medical IoT Sensor Node | Consumer Router Firmware |
|
Use Scenario: Retaining calibrated sensor offsets and encrypted telemetry logs in battery-powered wearable health monitors. IC Role / Device Role / Timing Role: Low-power flash memory with <1 µA deep power-down current and hardware write-protect to preserve integrity during extended sleep cycles. Use Value: Security registers store cryptographic keys protected by OTP locks; 100K-cycle endurance supports frequent OTA updates over multi-year device lifetime. |
Use Scenario: Storing Linux kernel, rootfs, and configuration overlays in Wi-Fi 6 routers requiring field-upgradable firmware. IC Role / Device Role / Timing Role: Dual/Quad SPI interface enables parallelized firmware loading into DRAM during boot; continuous read mode reduces boot latency by >40% vs standard SPI. Use Value: Uniform 4KB sectors allow atomic firmware patching without risking partial writes; /HOLD pin enables seamless bus sharing with other peripherals during boot. |
Equivalent & Alternatives
The following parts are listed as comparable options for similar serial NOR flash applications.
| Alternative Part | Technical Difference | Application Difference | Selection Advice |
|---|---|---|---|
| MX25L3233FZNI-10G | 32M-bit, 104 MHz max clock, but lacks Quad SPI support and SFDP register; uses different status register layout | Not suitable for XIP or high-throughput Quad I/O systems; limited to Standard/Dual SPI only | Select only if Quad SPI and auto-configurable timing are not required; verify /WP and /HOLD behavior differs |
| S25FL032P0XMFI001 | 32M-bit, supports Quad SPI and SFDP, but requires different QE activation sequence (SRP0=1 + WRSR) and has slower 80 MHz max Quad clock | Compatible for XIP and firmware storage, but may need driver rework due to status register bit mapping differences | Prefer when Cypress-compatible toolchains or legacy S25FL driver stacks are in use; validate QE enable flow |
Compared with MX25L3233FZNI-10G and S25FL032P0XMFI001, W25Q32BVSFJG offers broader instruction compatibility (including Octal Word Read), faster Quad I/O throughput, and simpler QE enable (single-bit toggle), making it optimal for new designs prioritizing performance and configurability.
Availability
W25Q32BVSFJG is available at Aetrix Electronics and suitable for industrial PLCs, automotive ADAS modules, medical IoT sensors, and consumer networking equipment requiring stable component supply, long-lifecycle support, and guaranteed traceability.
Supply support for W25Q32BVSFJG 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 SPI NOR/NAND flash, RAM, and mobile DRAM, serving industrial, automotive, and communications markets.
The W25Q series is designed for high-reliability embedded systems requiring fast, flexible, and secure non-volatile code and data storage - especially where XIP, low power, and robust write protection are essential.
FAQ
What is the package type and pin count of W25Q32BVSFJG?
W25Q32BVSFJG uses an 8-pin SOIC 300-mil package (package code SF) with 16 physical pins - 8 functional (including /CS, CLK, DI, DO, /WP, /HOLD, VCC, GND) and 8 no-connect (NC) terminals. This layout enables pin compatibility with legacy 16-pin footprints while maintaining minimal signal routing complexity.
Does W25Q32BVSFJG support Quad SPI mode out of the box?
No - W25Q32BVSFJG requires the Quad Enable (QE) bit in Status Register-2 to be set to '1' before Quad SPI instructions (e.g., EBh, 6Bh) function. Until QE is programmed, /WP and /HOLD remain dedicated hardware control pins; setting QE repurposes them as IO2 and IO3, enabling four-line data transfer.
How does W25Q32BVSFJG handle power-down and wake-up sequences?
W25Q32BVSFJG enters ultra-low-power mode (<1 µA typical) upon receiving Power-down (B9h) command; it wakes automatically on next /CS low assertion. During power-up, /CS must transition high→low after VCC stabilizes - a pull-up resistor on /CS ensures proper tracking of VCC ramp, preventing spurious commands.
Can W25Q32BVSFJG be used for execute-in-place (XIP) applications?
Yes - W25Q32BVSFJG supports true XIP via Continuous Read Mode, which reduces instruction overhead to just 8 clocks for 24-bit addressing. Combined with Fast Read Quad I/O (EBh), it delivers sustained >300 MB/s read throughput, enabling direct CPU execution from flash without copying to RAM.
What unique identifiers does W25Q32BVSFJG provide for device authentication?
W25Q32BVSFJG provides a 64-bit globally unique serial number (read via 4Bh instruction), JEDEC manufacturer/device ID (EF4016, read via 9Fh), and three 256-byte OTP-locked security registers. These enable secure boot, anti-cloning, and per-device calibration binding in certified applications.
W25Q32BVSFJG Specifications
- Product attributes
- Attribute value
- Manufacturer:
- Winbond Electronics Corporation
- Series:
- SpiFlash®
- Package/Case:
- 16-SOIC (0.295", 7.50mm Width)
- Packaging:
- Tube
- Product Status:
- Obsolete
- Programmable:
- Not Verified
- Memory Type:
- Non-Volatile
- Memory Format:
- FLASH
- Technology:
- FLASH - NOR
- Memory Size:
- 32Mbit
- Memory Organization:
- 4M 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:
- 16-SOIC
W25Q32BVSFJG FAQ
1.How can I place an order for W25Q32BVSFJG through Aetrix?
Please submit a Request for Quotation (RFQ) for W25Q32BVSFJG 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 W25Q32BVSFJG reliable?
The price and inventory of W25Q32BVSFJG are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for W25Q32BVSFJG is usually 5 days.
3.What payment methods are accepted for W25Q32BVSFJG?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for W25Q32BVSFJG transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for W25Q32BVSFJG?
W25Q32BVSFJG orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your W25Q32BVSFJG 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 W25Q32BVSFJG?
For technical support, including W25Q32BVSFJG datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your W25Q32BVSFJG requirements.
6.How does Aetrix verify that W25Q32BVSFJG is sourced from the original manufacturer or authorized distributors?
All W25Q32BVSFJG 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 W25Q32BVSFJG meets industry standards.
7.What is the process for return or replacement of W25Q32BVSFJG?
All W25Q32BVSFJG units undergo pre-shipment inspection (PSI). If there is an issue with W25Q32BVSFJG, 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 W25Q32BVSFJG part is unused and in its original packaging.
Return procedure for W25Q32BVSFJG:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
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