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Winbond Electronics Corporation W25Q32JVSSJM
- Part No.:
- W25Q32JVSSJM
- Manufacturer:
- Winbond Electronics Corporation
- Category:
- Memory
- Package:
- 8-SOIC (0.209", 5.30mm Width)
- Datasheet:
-
W25Q32JVSSJM.pdf
- Description:
- IC FLASH 32MBIT SPI/QUAD 8SOIC
- Quantity:
- Payment:
- Shipping:
Inventory:2,722
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Product details
Overview
W25Q32JVSSJM from Winbond is a 32M-bit (4MB) serial NOR flash memory IC supporting Standard/Dual/Quad SPI, QPI, and DTR read modes. It features 133MHz clock operation, 4KB uniform sector erase, 100K program-erase cycles per sector, and operates from 2.7–3.6V with <1µA power-down current. It is used for code storage, XIP execution, and firmware updates in microcontroller-based embedded systems.
For engineers reviewing the W25Q32JVSSJM datasheet, W25Q32JVSSJM pinout, W25Q32JVSSJM application, or W25Q32JVSSJM equivalent, key selection criteria include SPI/QPI/DTR interface compatibility, 4KB sector granularity for parameter storage, hardware write protection via /WP and /HOLD pins, and SOIC-8 208-mil (SS) package suitability for space-constrained PCB layouts.
Technical Context
The W25Q32JVSSJM implements a quad-peripheral interface (QPI) that reduces instruction overhead by enabling multi-bit command/address/data transfers in single-clock cycles. Its status register includes non-volatile Quad Enable (QE) bit to configure IO2 (/WP) and IO3 (/HOLD) as bidirectional data lines for Quad SPI mode.
It supports DTR (Double Transfer Rate) read operations - including DTR Fast Read (0Dh) and DTR Quad I/O (EDh) - achieving up to 532MHz effective throughput. Erase suspend/resume functionality enables concurrent background operations during active memory access, critical for real-time firmware update scenarios.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| Memory Density | 32 M-bit (4 MB), organized as 16,384 × 256-byte pages |
| Interface Modes | Standard SPI, Dual SPI, Quad SPI, QPI, and DTR-capable read instructions |
| Max Clock Frequency | 133 MHz (SPI); enables 266 MHz dual-I/O and 532 MHz quad-I/O effective rates |
| Erase Granularity | Uniform 4 KB sectors (1,024 total), plus 32 KB and 64 KB blocks |
| 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; <1 µA typical standby current in power-down mode |
| Operating Temp | –40°C to +85°C industrial grade temperature range |
Pinout & Package
W25Q32JVSSJM is packaged in an 8-pin SOIC 208-mil (Package Code SS), with gull-wing leads and standard JEDEC MS-012AC footprint. Pin 1 is marked with a beveled corner or dot.
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| 1 /CS | Chip Select Input | Active-low enable; high-impedance DO output and low-power standby when high |
| 2 DO (IO1) | Data Output / I/O1 | Unidirectional output in Standard SPI; bidirectional I/O in Dual/Quad SPI/QPI |
| 3 /WP (IO2) | Write Protect Input / I/O2 | Hardware lock for status register when QE=0; becomes IO2 in Quad mode (QE=1) |
| 4 GND | Ground Reference | Primary return path for VCC and all I/O signals; must be low-impedance |
| 5 DI (IO0) | Data Input / I/O0 | Unidirectional input in Standard SPI; bidirectional I/O in Dual/Quad SPI/QPI |
| 6 CLK | Serial Clock Input | Edge-triggered timing source; supports SPI modes 0 and 3 |
| 7 /HOLD (IO3) | Hold Input / I/O3 | Pauses ongoing transfer while /CS active; becomes IO3 in Quad mode (QE=1) |
| 8 VCC | Power Supply | 2.7–3.6 V core supply; decoupling capacitor required near pin |
Key Features
| Feature | Design Value |
|---|---|
| Continuous Read Mode | As few as 8 clocks to initiate address fetch, enabling true execute-in-place (XIP) from flash without RAM copy |
| Quad Peripheral Interface (QPI) | Reduces instruction overhead by encoding commands, addresses, and data in parallel bits per clock cycle |
| DTR Read Support | Double Transfer Rate on CLK edges enables 532 MHz effective bandwidth using EDh (DTR Quad I/O) instruction |
| Flexible Write Protection | Combines hardware /WP pin with software-configurable BPx, TB, SEC, CMP, and SRP bits for sector-level lockdown |
| Security Registers | Three 256-byte OTP-lockable security registers for keys, certificates, or calibration data storage |
Applications
| Industrial PLC Firmware Storage | Automotive ADAS Boot Code |
|---|---|
Use Scenario: Storing and executing boot firmware and configuration parameters in programmable logic controllers with limited board space. IC Role / Device Role / Timing Role: Non-volatile code storage and XIP execution source for ARM Cortex-M7 microcontrollers. Use Value: 4KB sector erase allows independent firmware partitioning and field-upgradable modules without full chip reprogramming. | Use Scenario: Holding safety-critical boot images and sensor calibration data in automotive camera ECU designs. IC Role / Device Role / Timing Role: Primary boot memory accessed via QPI at 133MHz for deterministic cold-start timing. Use Value: Hardware /WP and status register protection prevent accidental overwrite during CAN bus firmware updates. |
| IoT Edge Node OTA Updates | Medical Device Parameter Storage |
Use Scenario: Enabling secure over-the-air firmware updates in battery-powered wireless sensors with constrained power budgets. IC Role / Device Role / Timing Role: Dual-bank storage medium supporting A/B firmware swapping with erase-suspend capability. Use Value: <1µA power-down current extends shelf life and operational runtime between updates. | Use Scenario: Storing device-specific calibration coefficients, usage logs, and regulatory compliance data in portable diagnostic equipment. IC Role / Device Role / Timing Role: Secure, long-retention parameter archive with 64-bit unique ID and SFDP discoverability. Use Value: Three OTP-lockable 256-byte security registers ensure tamper-resistant storage of FDA-required traceability data. |
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 | 32Mb, 104MHz max clock, no DTR support, SOIC-8 208-mil compatible pinout | Lacks DTR and QPI; limited to Standard/Dual SPI; lower bandwidth ceiling | Select when legacy SPI controller lacks QPI/DTR support and 66MB/s throughput is sufficient |
| S25FL132K0XMFI010 | 32Mb, 80MHz max clock, HyperBus interface option, same SOIC-8 208-mil package | Supports HyperFlash protocol instead of QPI/DTR; different command set and timing | Choose for Infineon/Cypress ecosystem designs requiring HyperBus compatibility and higher reliability specs |
Compared with MX25L3233FZNI-10G and S25FL132K0XMFI010, the W25Q32JVSSJM delivers highest bandwidth via DTR+QPI, supports finer 4KB sector control for partial updates, and integrates three OTP-lockable security registers - making it optimal for secure, high-throughput embedded firmware storage where interface flexibility and data integrity are critical.
Availability
W25Q32JVSSJM is available at Aetrix Electronics and suitable for industrial automation, automotive telematics, and IoT edge node designs requiring stable component supply, long-term lifecycle assurance, and SOIC-8 208-mil footprint compatibility.
Supply support for W25Q32JVSSJM 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 DRAM, mobile DRAM, and serial flash memory solutions for embedded and consumer applications.
The W25Q series targets high-performance, space-constrained embedded systems needing reliable code storage, XIP execution, and flexible security - with W25Q32JVSSJM optimized for industrial-grade reliability and multi-protocol SPI compatibility.
FAQ
What interface protocols does the W25Q32JVSSJM support?
The W25Q32JVSSJM supports Standard SPI, Dual SPI, Quad SPI, Quad Peripheral Interface (QPI), and Double Transfer Rate (DTR) read modes - including DTR Fast Read (0Dh) and DTR Quad I/O (EDh). It operates in SPI modes 0 and 3, and requires the non-volatile Quad Enable (QE) bit to be set for Quad SPI and QPI functionality. The W25Q32JVSSJM's interface flexibility allows seamless integration with modern microcontrollers featuring advanced SPI peripherals.
Does the W25Q32JVSSJM support execute-in-place (XIP) operation?
Yes, the W25Q32JVSSJM supports true execute-in-place (XIP) via its Continuous Read Mode, which requires as few as 8 clock cycles to initiate memory access and enables efficient sequential reads. When paired with a QPI-capable host controller, the W25Q32JVSSJM delivers deterministic latency and bandwidth sufficient for direct code execution - eliminating the need to copy firmware into RAM before execution in resource-constrained embedded systems.
What is the package type and pin compatibility of W25Q32JVSSJM?
W25Q32JVSSJM uses an 8-pin SOIC 208-mil package (Package Code SS) with standard gull-wing leads and JEDEC MS-012AC footprint. It shares pinout compatibility with other W25Q32JV variants in SOIC-8 format (e.g., SN, SS), but differs from 16-pin SOIC (SF) and TFBGA packages which include dedicated /RESET. The W25Q32JVSSJM pinout matches industry-standard serial flash footprints, simplifying drop-in replacement in existing layouts.
How does hardware write protection work on the W25Q32JVSSJM?
Hardware write protection on the W25Q32JVSSJM is implemented via the active-low /WP pin, which - when held low - prevents writes to the status register regardless of software commands. This works in conjunction with volatile/non-volatile block protect bits (BP2–BP0), top/bottom protection (TB), and status register lock (SRP/SRL) to enforce hierarchical lockdown. When the Quad Enable (QE) bit is set, /WP becomes IO2 and hardware protection is disabled - so W25Q32JVSSJM users must manage protection mode carefully during initialization.
What security features are integrated into the W25Q32JVSSJM?
The W25Q32JVSSJM integrates multiple security layers: a 64-bit unique serial number per device, JEDEC-standard manufacturer/device ID, SFDP register for auto-discovery, and three 256-byte security registers with OTP (one-time-programmable) lock bits. These registers can store cryptographic keys, calibration data, or firmware signatures. Additionally, the W25Q32JVSSJM supports individual sector/block locking and complement protection (CMP) to prevent unauthorized modification - making it suitable for regulated applications requiring traceability and tamper resistance.
W25Q32JVSSJM 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
- Clock Frequency:
- 133 MHz
- Write Cycle Time - Word, Page:
- 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-SOIC
W25Q32JVSSJM FAQ
1.How can I place an order for W25Q32JVSSJM through Aetrix?
Please submit a Request for Quotation (RFQ) for W25Q32JVSSJM 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 W25Q32JVSSJM reliable?
The price and inventory of W25Q32JVSSJM are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for W25Q32JVSSJM is usually 5 days.
3.What payment methods are accepted for W25Q32JVSSJM?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for W25Q32JVSSJM transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for W25Q32JVSSJM?
W25Q32JVSSJM orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your W25Q32JVSSJM 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 W25Q32JVSSJM?
For technical support, including W25Q32JVSSJM datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your W25Q32JVSSJM requirements.
6.How does Aetrix verify that W25Q32JVSSJM is sourced from the original manufacturer or authorized distributors?
All W25Q32JVSSJM 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 W25Q32JVSSJM meets industry standards.
7.What is the process for return or replacement of W25Q32JVSSJM?
All W25Q32JVSSJM units undergo pre-shipment inspection (PSI). If there is an issue with W25Q32JVSSJM, 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 W25Q32JVSSJM part is unused and in its original packaging.
Return procedure for W25Q32JVSSJM:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
W25Q32JVSSJM Tags
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M24C02-WMN6TP
STMicroelectronics
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AT24C02C-XHM-T
Microchip Technology
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AT21CS01-STUM10-T
Microchip Technology
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AT24C02C-SSHM-T
Microchip Technology
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24LC01BT-I/OT
Microchip Technology
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M24C02-FMC6TG
STMicroelectronics
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AT24CS02-SSHM-T
Microchip Technology
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93LC46BT-I/OT
Microchip Technology
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AT24C04C-SSHM-T
Microchip Technology
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24LC01BT-I/SN
Microchip Technology
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24AA02UIDT-I/OT
Microchip Technology
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AT24C08C-STUM-T
Microchip Technology
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