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Winbond Electronics Corporation W25Q32JVSFJM
- Part No.:
- W25Q32JVSFJM
- Manufacturer:
- Winbond Electronics Corporation
- Category:
- Memory
- Package:
- 16-SOIC (0.295", 7.50mm Width)
- Datasheet:
-
W25Q32JVSFJM.pdf
- Description:
- IC FLASH 32MBIT SPI/QUAD 16SOIC
- Quantity:
- Payment:
- Shipping:
Inventory:1,943
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Product details
Overview
W25Q32JVSFJM from Winbond is a 32M-bit (4MB) serial NOR flash memory supporting Dual/Quad SPI, QPI, and Double Transfer Rate (DTR) read modes. It features 16,384 × 256-byte pages, uniform 4KB sector erase, and operates from 2.7V to 3.6V with <1µA power-down current. It enables XIP (execute-in-place) code execution in embedded microcontrollers and stores firmware, configuration data, and boot images.
For engineers reviewing the W25Q32JVSFJM datasheet, W25Q32JVSFJM pinout, W25Q32JVSFJM application, or W25Q32JVSFJM equivalent, key selection criteria include DTR-enabled high-speed read performance (up to 532MHz equivalent), hardware write protection via /WP and /HOLD pins, flexible sector/block locking, JEDEC ID/SFDP register support, and compatibility with space-constrained industrial and automotive control systems.
Technical Context
The W25Q32JVSFJM implements a quad I/O architecture with non-volatile Quad Enable (QE) bit in Status Register-2; when QE=1, /WP and /HOLD become IO2 and IO3, enabling full Quad SPI and QPI operation. It supports SPI Mode 0 and Mode 3, with DTR read instructions (e.g., 0Dh, EDh) doubling data throughput per clock edge.
Its block diagram integrates a 256-byte page buffer, SFDP register for discoverable parameters, three 256-byte security registers with OTP locks, and dedicated logic for erase/program suspend/resume. The device uses internal high-voltage generators for programming and erasing, eliminating external VPP requirements.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| Memory Density | 32 M-bit (4 MB), organized as 16,384 pages × 256 bytes - enables compact firmware storage with fine-grained 4KB sector granularity. |
| Read Speed | 133 MHz SPI clock; up to 532 MHz equivalent with Quad I/O + DTR - delivers 66 MB/s continuous read for real-time XIP execution. |
| Erase Granularity | Uniform 4 KB sectors (1,024 total), 32 KB blocks (512), 64 KB blocks (64), and chip erase - supports robust firmware update partitioning. |
| Endurance & Retention | 100,000 program/erase cycles per sector; >20 years data retention - suitable for field-upgradable industrial controllers. |
| Supply Voltage | 2.7 V to 3.6 V single supply; <1 µA typical power-down current - compatible with battery-backed and low-power IoT nodes. |
| Interface Modes | Standard SPI, Dual SPI, Quad SPI, QPI, and DTR-capable read - ensures interoperability with legacy and next-gen host controllers. |
| Security Features | 64-bit unique ID, SFDP register, three 256-byte OTP-lockable security registers, and programmable sector/block lock - meets secure boot and anti-cloning requirements. |
Pinout & Package
W25Q32JVSFJM is supplied in an 8-pin SOIC 208-mil package (Package Code SS), with gull-wing leads and surface-mount footprint. Pin 1 is /CS; Pin 8 is VCC; ground is at Pin 4.
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| /CS (Pin 1) | Chip Select Input | Active-low enable: drives DO/IO pins to high-Z when high; required transition high→low before instruction acceptance after power-up. |
| DO / IO1 (Pin 2) | Data Output / Bidirectional I/O | Unidirectional output in Standard SPI; bidirectional data lane 1 in Dual/Quad SPI - used for read responses and address/data transfer. |
| /WP / IO2 (Pin 3) | Write Protect Input / Bidirectional I/O | Hardware write protect for status register when QE=0; becomes IO2 in Quad mode - enables dual-purpose pin usage without external logic. |
| GND (Pin 4) | Ground Reference | Primary return path for VCC and all I/O signals - must be low-inductance connection to minimize noise during high-speed reads. |
| DI / IO0 (Pin 5) | Data Input / Bidirectional I/O | Unidirectional input in Standard SPI; bidirectional data lane 0 in Dual/Quad SPI - carries commands, addresses, and write data. |
| CLK (Pin 6) | Serial Clock Input | Synchronizes all SPI/QPI transfers; supports Mode 0 and Mode 3; timing-critical for DTR read stability at 133 MHz. |
| /HOLD / IO3 (Pin 7) | Hold Input / Bidirectional I/O | Pauses ongoing read/write while /CS active; becomes IO3 in Quad mode - allows multi-device bus sharing without arbitration overhead. |
| VCC (Pin 8) | Power Supply | 2.7–3.6 V supply; powers internal charge pumps for erase/program - requires local 100 nF ceramic decoupling near Pin 8. |
Key Features
| Feature | Design Value |
|---|---|
| DTR Read Support | Enables double-data-rate reads (e.g., 0Dh, EDh) - cuts instruction overhead by half vs. standard Fast Read, critical for deterministic XIP latency. |
| Quad Peripheral Interface (QPI) | Reduces command/address overhead to single-cycle transfers - eliminates repeated opcode transmission, improving effective bandwidth by ~3× over SPI. |
| Erase/Program Suspend & Resume | Allows background operations to pause for higher-priority tasks - essential for real-time systems requiring guaranteed interrupt response during flash updates. |
| Top/Bottom & Complement Block Protection | Configurable via BP2–BP0, TB, and CMP bits - enables secure bootloader region locking independent of application firmware partitions. |
| JEDEC ID + SFDP Register | Provides standardized identification and configurable parameter discovery - eliminates hard-coded timing assumptions in HAL/firmware across vendor families. |
| OTP-Lockable Security Registers | Three 256-byte registers with one-time-programmable locks - stores cryptographic keys, calibration data, or device-specific credentials with tamper resistance. |
Applications
| Industrial PLC Firmware Storage | Automotive ADAS Boot Memory |
|---|---|
|
Use Scenario: Storing certified firmware images and safety-critical configuration tables in programmable logic controllers operating in harsh temperature environments (-40°C to +85°C). IC Role / Device Role / Timing Role: Non-volatile code storage with XIP capability and hardware write protection - serves as primary boot source for ARM Cortex-M7-based control CPUs. Use Value: 4KB sector granularity enables atomic firmware patching; 100K endurance ensures >10 years of field updates; DTR read sustains 66 MB/s for deterministic boot timing. |
Use Scenario: Holding boot code and sensor fusion algorithms for camera/radar ECUs in advanced driver-assistance systems requiring ASIL-B compliance. IC Role / Device Role / Timing Role: Secure, high-reliability boot memory with unique ID and OTP security registers - provides root-of-trust foundation for secure boot chain validation. Use Value: 64-bit unique ID enables device-level traceability; SFDP register allows runtime timing adaptation; >20-year retention guarantees lifetime ECU operation without refresh. |
| Medical Imaging Device Configuration | Smart Energy Meter Firmware |
|
Use Scenario: Storing calibrated lookup tables, DICOM metadata templates, and regulatory-compliant firmware versions in portable ultrasound and MRI subsystems. IC Role / Device Role / Timing Role: Parameter and firmware repository with sector-level lock protection - isolates FDA-approved calibration data from field-upgradable application logic. Use Value: Top/bottom block protection prevents accidental overwrite of calibration regions; 256-byte page programming enables efficient small-data updates without full-sector erase. |
Use Scenario: Hosting metering firmware, tariff schedules, and encrypted communication stacks in ANSI C12.22-compliant smart electricity meters deployed in utility grids. IC Role / Device Role / Timing Role: Tamper-resistant firmware storage with hardware write protection and security registers - enforces secure OTA update integrity and key management. Use Value: Three OTP-lockable security registers store AES-128 keys and digital signatures; /WP pin provides physical layer protection against voltage glitch 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 |
|---|---|---|---|
| MX25L3233FZBI-10G | 32 M-bit, 104 MHz max clock, no DTR support, lacks QPI mode and SFDP register - uses standard SPI only. | Lower bandwidth limits XIP performance; no standardized parameter discovery - requires fixed-timing HAL implementation. | Choose when cost sensitivity outweighs speed/security needs and host controller lacks QPI/DTR support. |
| S25FL132K0XMFI010 | 32 M-bit, 80 MHz max clock, supports DTR but no QPI; includes HyperBus interface option - different pinout and command set. | HyperBus variant requires PCB redesign; lower clock rate reduces XIP throughput - less suitable for latency-critical boot paths. | Prefer only if migrating from Cypress HyperFlash ecosystem or when HyperBus bandwidth suffices and QPI is unused. |
Compared with W25Q32JVSFJM, MX25L3233FZBI-10G offers lower cost but sacrifices DTR/QPI bandwidth and security features, while S25FL132K0XMFI010 trades peak speed for HyperBus compatibility - W25Q32JVSFJM uniquely balances 133 MHz DTR+QPI, SFDP, and OTP security in an SOIC-8 footprint.
Availability
W25Q32JVSFJM is available at Aetrix Electronics and suitable for industrial automation, automotive ADAS, and medical imaging systems requiring stable component supply, long-term lifecycle assurance, and RoHS-compliant packaging.
Supply support for W25Q32JVSFJM 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 industrial, automotive, and consumer markets.
The W25Q32JVSFJM belongs to Winbond's W25Q32JV-DTR family, designed specifically for high-reliability embedded systems demanding fast, secure, and flexible code and data storage with minimal pin count and power consumption.
FAQ
What is the maximum SPI clock frequency supported by the W25Q32JVSFJM?
The W25Q32JVSFJM supports up to 133 MHz for standard, Dual, and Quad SPI clocks. When using DTR (Double Transfer Rate) read instructions like 0Dh or EDh, the effective data rate reaches 266 MHz (Dual) or 532 MHz (Quad), delivering up to 66 MB/s continuous read throughput. This specification is validated across the full industrial temperature range (-40°C to +85°C) and applies to the W25Q32JVSFJM in its SOIC 208-mil package.
Does the W25Q32JVSFJM support execute-in-place (XIP) operation?
Yes, the W25Q32JVSFJM supports true XIP operation via its Continuous Read Mode and QPI interface. With as few as 8 clock cycles to address memory and low instruction overhead in QPI mode, it enables direct code execution from flash without copying to RAM. This capability is confirmed in the official datasheet for W25Q32JVSFJM and is widely implemented in ARM Cortex-M and RISC-V microcontroller bootloaders.
How does the /WP pin function differ between standard SPI and Quad SPI modes on the W25Q32JVSFJM?
In standard SPI mode (QE = 0), the /WP pin on W25Q32JVSFJM acts as a hardware write-protect input for the status register. In Quad SPI mode (QE = 1), the /WP pin becomes IO2 - a bidirectional data line - and hardware write protection must instead be managed via software-configured status register bits (BP2–BP0, SRP, etc.). This behavior is explicitly defined in the W25Q32JVSFJM pin description table and functional descriptions.
What package type is used for the W25Q32JVSFJM, and what are its key mechanical dimensions?
The W25Q32JVSFJM uses an 8-pin SOIC 208-mil package (Package Code SS), measuring 8.9 mm × 4.0 mm × 1.75 mm (L × W × H) with 1.27 mm lead pitch. This package is RoHS-compliant, surface-mountable, and validated for reflow soldering per J-STD-020. Mechanical details are specified in Section 10.3 of the W25Q32JVSFJM datasheet.
Can the W25Q32JVSFJM be used in automotive applications requiring AEC-Q100 qualification?
The W25Q32JVSFJM itself is not AEC-Q100 qualified; however, Winbond offers the automotive-grade W25Q32JWxxM variant (e.g., W25Q32JWSSIQ) which is AEC-Q100 Grade 3 qualified (-40°C to +105°C) and shares identical electrical specifications, pinout, and command set. For automotive designs requiring qualification, the W25Q32JWxxM is the recommended drop-in alternative to W25Q32JVSFJM.
W25Q32JVSFJM Specifications
- Product attributes
- Attribute value
- Manufacturer:
- Winbond Electronics Corporation
- Series:
- SpiFlash®
- Package/Case:
- 16-SOIC (0.295", 7.50mm 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:
- 16-SOIC
W25Q32JVSFJM FAQ
1.How can I place an order for W25Q32JVSFJM through Aetrix?
Please submit a Request for Quotation (RFQ) for W25Q32JVSFJM 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 W25Q32JVSFJM reliable?
The price and inventory of W25Q32JVSFJM are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for W25Q32JVSFJM is usually 5 days.
3.What payment methods are accepted for W25Q32JVSFJM?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for W25Q32JVSFJM transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for W25Q32JVSFJM?
W25Q32JVSFJM orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your W25Q32JVSFJM 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 W25Q32JVSFJM?
For technical support, including W25Q32JVSFJM datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your W25Q32JVSFJM requirements.
6.How does Aetrix verify that W25Q32JVSFJM is sourced from the original manufacturer or authorized distributors?
All W25Q32JVSFJM 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 W25Q32JVSFJM meets industry standards.
7.What is the process for return or replacement of W25Q32JVSFJM?
All W25Q32JVSFJM units undergo pre-shipment inspection (PSI). If there is an issue with W25Q32JVSFJM, 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 W25Q32JVSFJM part is unused and in its original packaging.
Return procedure for W25Q32JVSFJM:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
W25Q32JVSFJM 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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24LC01BT-I/OT
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M24C02-FMC6TG
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AT24CS02-SSHM-T
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93LC46BT-I/OT
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AT24C04C-SSHM-T
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24LC01BT-I/SN
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24AA02UIDT-I/OT
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AT24C08C-STUM-T
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