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Winbond Electronics Corporation W25Q32JVSSIM
- Part No.:
- W25Q32JVSSIM
- Manufacturer:
- Winbond Electronics Corporation
- Category:
- Memory
- Package:
- 8-SOIC (0.209", 5.30mm Width)
- Datasheet:
-
W25Q32JVSSIM.pdf
- Description:
- IC FLASH 32MBIT SPI/QUAD 8SOIC
- Quantity:
- Payment:
- Shipping:
Inventory:167
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Product details
Overview
W25Q32JVSSIM from Winbond is a 32M-bit (4MB) serial NOR flash memory IC supporting Dual/Quad SPI, QPI, and Double Transfer Rate (DTR) read modes. It operates from 2.7V to 3.6V, delivers up to 133MHz SPI clock frequency (532MHz equivalent Quad I/O), features uniform 4KB sectors (1,024 total), and supports true execute-in-place (XIP) via Continuous Read mode - deployed in embedded boot code storage and firmware update systems.
For engineers reviewing the W25Q32JVSSIM datasheet, W25Q32JVSSIM pinout, W25Q32JVSSIM application, or W25Q32JVSSIM equivalent, this page details its SOIC-8 208-mil (SS) package configuration, JEDEC-compliant instruction set, hardware write protection (/WP, /HOLD), 64-bit unique ID, SFDP register support, and sector/block erase flexibility for industrial MCU boot memory and OTA firmware partitioning.
Technical Context
The W25Q32JVSSIM implements a quad I/O-capable SPI interface with non-volatile Quad Enable (QE) bit in Status Register-2; when QE=1, IO2 and IO3 replace /WP and /HOLD functions. Its architecture includes a 256-byte page buffer, 4KB/32KB/64KB erasable units, and Erase/Program Suspend & Resume capability for real-time system responsiveness.
It supports three distinct operational modes: Standard SPI (DI/DO), Dual SPI (IO0/IO1), and Quad SPI/QPI (IO0–IO3), with DTR read instructions enabling double-data-rate sampling on CLK edges. The device integrates volatile/non-volatile status register bits (BP2–BP0, TB, SEC, CMP, SRP, SUS) and three 256-byte one-time-programmable (OTP) security registers for firmware integrity enforcement.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| Memory Density | 32 M-bit (4 MB), organized as 16,384 × 256-byte programmable pages |
| Interface Modes | Standard/Dual/Quad SPI, QPI, and DTR-read - enables 66 MB/s continuous transfer rate |
| Erase Granularity | Uniform 4 KB sectors (1,024), 32 KB blocks (512), 64 KB blocks (64), and full chip erase |
| Write Endurance | Minimum 100,000 program-erase cycles per sector, >20-year data retention at +25°C |
| Supply Voltage | 2.7 V to 3.6 V; <1 µA typical power-down current for low-energy standby |
| Operating Temp | −40°C to +85°C industrial grade; supports extended temperature operation without derating |
| Security Features | 64-bit unique ID, SFDP register, three 256-byte OTP security registers, and configurable array protection |
Pinout & Package
W25Q32JVSSIM is packaged in an 8-pin SOIC 208-mil (Package Code SS), with pins arranged in standard dual-inline configuration and compatible with automated PCB assembly. Pin functions are electrically defined per JEDEC MS-012 and Winbond specification Rev H.
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| 1 /CS | Chip Select Input | Active-low enable: high = device deselected (high-Z DO); low = active command/data transfer |
| 2 DO (IO1) | Data Output / Bidirectional I/O | Standard SPI output; Dual/Quad SPI bidirectional data lane 1 (rising/falling edge sampling) |
| 3 /WP (IO2) | Write Protect Input / Bidirectional I/O | Hardware lock for status register writes; becomes IO2 in Quad mode when QE=1 |
| 4 GND | Ground Reference | Primary signal and power return path; must be low-impedance for timing stability |
| 5 DI (IO0) | Data Input / Bidirectional I/O | Standard SPI input; Dual/Quad SPI bidirectional data lane 0 (instruction/address/data) |
| 6 CLK | Serial Clock Input | Synchronous timing reference; supports Mode 0 and Mode 3; max 133 MHz frequency |
| 7 /HOLD (IO3) | Hold Input / Bidirectional I/O | Pauses ongoing SPI transaction; becomes IO3 in Quad mode when QE=1 |
| 8 VCC | Power Supply | Single 2.7–3.6 V supply; decoupling capacitor required near pin for noise immunity |
Key Features
| Feature | Design Value |
|---|---|
| Continuous Read Mode | As few as 8 clocks overhead to address memory; enables efficient XIP execution without external RAM buffering |
| Quad Peripheral Interface (QPI) | Reduces instruction overhead vs. standard SPI; allows single-cycle command/address/data transfers in 4-bit parallel |
| Erase/Program Suspend & Resume | Allows foreground read access during background erase/program - critical for real-time firmware update workflows |
| Configurable Hardware Write Protection | /WP pin + BP/TB/SEC/CMP bits enable selective locking of top/bottom/individual 4KB sectors without software intervention |
| JEDEC Compliance & SFDP | Supports standardized Manufacturer/Device ID (90h/9Fh), SFDP register (5Ah), and Discoverable Parameters for auto-configuration |
Applications
| MCU Boot Memory | Firmware Update Storage |
|---|---|
|
Use Scenario: Storing primary bootloader and initial firmware image for ARM Cortex-M or RISC-V microcontrollers during cold start. IC Role / Device Role / Timing Role: Non-volatile code storage with fast random-access read via Quad SPI and DTR for sub-100ms boot latency. Use Value: Enables direct XIP execution from flash, eliminating need for external RAM copy and reducing BOM cost and boot time. |
Use Scenario: Holding staged firmware images and rollback partitions for secure over-the-air (OTA) updates in IoT edge nodes. IC Role / Device Role / Timing Role: Dual-bank storage with atomic sector erase and suspend/resume - ensures update integrity during power loss. Use Value: Supports A/B firmware partitioning and verified rollback using 4KB sector granularity and OTP security register locks. |
| Industrial HMI Display Data | Automotive Diagnostic Module Log |
|
Use Scenario: Caching localized UI assets (fonts, icons, bitmaps) in human-machine interface panels with limited DRAM. IC Role / Device Role / Timing Role: High-bandwidth Quad I/O read path delivering >50 MB/s burst throughput for rapid GUI rendering. Use Value: Reduces display initialization delay and eliminates frame stutter by streaming assets directly from flash via Continuous Read. |
Use Scenario: Logging vehicle diagnostic trouble codes (DTCs), sensor calibration data, and event timestamps in Tier-1 ECU modules. IC Role / Device Role / Timing Role: Reliable parameter storage with hardware write protection (/WP pin + BP bits) preventing accidental overwrite. Use Value: Ensures regulatory compliance (ISO 16750, AEC-Q100) through 100K-cycle endurance and −40°C to +85°C operation. |
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 |
|---|---|---|---|
| MX25L3233FZNI-10G | 32 M-bit, 104 MHz max SPI clock, no QPI or DTR support; supports only Standard/Dual SPI | Lacks Quad I/O and DTR modes - limits XIP performance and bandwidth-critical use cases | Select when QPI/DTR is unnecessary and legacy SPI controller compatibility is prioritized over speed |
| S25FL132K0XMFI011 | 32 M-bit, 80 MHz max SPI clock, supports Quad SPI but no DTR; includes built-in ECC and sector protection lock bits | Lower bandwidth and no DTR reduces continuous read efficiency; ECC adds reliability for safety-critical logging | Prefer for ASIL-B automotive logging where error correction outweighs raw throughput needs |
Compared with MX25L3233FZNI-10G and S25FL132K0XMFI011, the W25Q32JVSSIM delivers highest bandwidth (133 MHz + DTR), full QPI instruction set, and flexible 4KB sector protection - making it optimal for XIP boot and high-throughput firmware staging where timing predictability and interface versatility are design-critical.
Availability
W25Q32JVSSIM is available at Aetrix Electronics and suitable for industrial MCU boot memory, OTA firmware staging, and embedded HMI asset caching requiring stable component supply, long-term lifecycle assurance, and consistent SOIC-208 packaging.
Supply support for W25Q32JVSSIM 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, PSRAM, and mobile DRAM for embedded and communications markets.
The W25Q series is designed specifically for high-reliability embedded code storage and firmware update applications - emphasizing fast read performance, robust security features, and seamless integration with modern MCU boot ROMs and flash loaders.
FAQ
What is the package type and pin count of the W25Q32JVSSIM?
The W25Q32JVSSIM uses an 8-pin SOIC package with 208-mil body width (Package Code SS). Its pinout matches JEDEC MS-012 and includes /CS, DO (IO1), /WP (IO2), GND, DI (IO0), CLK, /HOLD (IO3), and VCC - fully compatible with standard SPI footprints and automated placement equipment.
Does the W25Q32JVSSIM support Quad SPI and QPI modes?
Yes, the W25Q32JVSSIM supports both Quad SPI and QPI modes. Enabling Quad SPI requires setting the non-volatile Quad Enable (QE) bit in Status Register-2. Once enabled, IO2 and IO3 replace /WP and /HOLD functions, allowing full 4-line bidirectional data transfer and reduced instruction overhead in QPI mode.
What is the maximum clock frequency supported by the W25Q32JVSSIM in DTR mode?
The W25Q32JVSSIM supports up to 133 MHz SPI clock frequency. In DTR (Double Transfer Rate) mode, data is sampled on both rising and falling edges of CLK, achieving effective throughput of 266 MHz for Dual I/O and 532 MHz for Quad I/O - confirmed in Revision H datasheet Section 1, General Descriptions.
How many program-erase cycles does the W25Q32JVSSIM guarantee per sector?
The W25Q32JVSSIM guarantees a minimum of 100,000 program-erase cycles per 4KB sector, with greater than 20-year data retention at +25°C. This endurance rating is specified under standard operating conditions and applies uniformly across all sectors in the 32M-bit array.
Can the W25Q32JVSSIM be used for execute-in-place (XIP) applications?
Yes, the W25Q32JVSSIM supports true execute-in-place (XIP) via its Continuous Read Mode, which requires as few as 8 clock cycles to address memory and enables efficient sequential access. Combined with Quad SPI and DTR, it delivers sustained >60 MB/s throughput - validated for direct code execution in Cortex-M and RISC-V boot environments.
W25Q32JVSSIM Specifications
- Product attributes
- Attribute value
- Manufacturer:
- Winbond Electronics Corporation
- Series:
- SpiFlash®
- Package/Case:
- 8-SOIC (0.209", 5.30mm Width)
- Packaging:
- Tube
- Product Status:
- Active
- 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, QPI, DTR
- Clock Frequency:
- 133 MHz
- Write Cycle Time - Word, Page:
- 3ms
- Access Time:
- 6 ns
- Voltage - Supply:
- 2.7V ~ 3.6V
- Operating Temperature:
- -40°C ~ 85°C (TA)
- Grade:
- -
- Qualification:
- -
- Mounting Type:
- Surface Mount
- Supplier Device Package:
- 8-SOIC
W25Q32JVSSIM FAQ
1.How can I place an order for W25Q32JVSSIM through Aetrix?
Please submit a Request for Quotation (RFQ) for W25Q32JVSSIM 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 W25Q32JVSSIM reliable?
The price and inventory of W25Q32JVSSIM are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for W25Q32JVSSIM is usually 5 days.
3.What payment methods are accepted for W25Q32JVSSIM?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for W25Q32JVSSIM transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for W25Q32JVSSIM?
W25Q32JVSSIM orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your W25Q32JVSSIM 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 W25Q32JVSSIM?
For technical support, including W25Q32JVSSIM datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your W25Q32JVSSIM requirements.
6.How does Aetrix verify that W25Q32JVSSIM is sourced from the original manufacturer or authorized distributors?
All W25Q32JVSSIM 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 W25Q32JVSSIM meets industry standards.
7.What is the process for return or replacement of W25Q32JVSSIM?
All W25Q32JVSSIM units undergo pre-shipment inspection (PSI). If there is an issue with W25Q32JVSSIM, 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 W25Q32JVSSIM part is unused and in its original packaging.
Return procedure for W25Q32JVSSIM:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
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