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Winbond Electronics Corporation W25Q32JWSSIM TR
- Part No.:
- W25Q32JWSSIM TR
- Manufacturer:
- Winbond Electronics Corporation
- Category:
- Memory
- Package:
- 8-SOIC (0.209", 5.30mm Width)
- Datasheet:
-
W25Q32JWSSIM TR.pdf
- Description:
- IC FLASH 32MBIT SPI/QUAD 8SOIC
- Quantity:
- Payment:
- Shipping:
Inventory:4,645
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Product details
Overview
W25Q32JWSSIM TR from Winbond is a 1.8V, 32M-bit (4MB) serial NOR flash memory supporting Dual/Quad SPI, QPI, and DTR read modes. It features 16,384 × 256-byte pages, uniform 4KB sector erase, and hardware write protection via /WP and /HOLD pins. Designed for code execution in place (XIP), firmware storage, and boot code retention in space-constrained embedded systems.
For engineers reviewing the W25Q32JWSSIM TR datasheet, W25Q32JWSSIM TR pinout, W25Q32JWSSIM TR application, or W25Q32JWSSIM TR equivalent, key selection criteria include 133MHz Quad I/O clock support, 66MB/s continuous read throughput, JEDEC SFDP compliance, 64-bit unique ID, and flexible 4KB/32KB/64KB erase granularity - all critical for secure, high-speed boot and firmware update implementations.
Technical Context
The W25Q32JWSSIM TR implements a dual-mode SPI/QPI interface with configurable IO0–IO3 pins: in standard/Dual SPI mode, pins function as DI/DO/WP/HOLD; when Quad Enable (QE) bit is set in Status Register-2, /WP and /HOLD become IO2 and IO3, enabling true 4-line bidirectional data transfer. The device supports both Mode 0 and Mode 3 SPI clock polarity/idle states.
It integrates volatile and non-volatile status register bits for granular protection (BP2–BP0, TB, SEC, CMP, SRP), erase/program suspend/resume capability, and three 256-byte one-time-programmable (OTP) security registers. Its 1.7V–1.95V supply range and –40°C to +85°C operation target low-power industrial and automotive control applications requiring long-term data retention (>20 years) and ≥100K program-erase cycles.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| Memory Density | 32 M-bit (4 MB) organized as 16,384 × 256-byte programmable pages |
| Operating Voltage | 1.7 V to 1.95 V - enables direct integration with 1.8V logic domains without level shifting |
| Max Clock Frequency | 133 MHz Quad I/O SPI - delivers up to 532 Mbps effective bandwidth (133 MHz × 4 lines) |
| Data Transfer Rate | 66 MB/s continuous read - exceeds X16 parallel flash performance in compact footprint |
| Erase Granularity | Uniform 4 KB sectors (1,024 total), 32 KB blocks (512), 64 KB blocks (64) - supports fine-grained firmware partitioning |
| Write Protection | Hardware /WP pin + software-configurable BP/TB/SEC/CMP bits - enables selective lock of boot sectors or parameter regions |
| Security Features | 64-bit unique ID, SFDP register, three 256-byte OTP security registers - supports secure boot key binding and device authentication |
Pinout & Package
W25Q32JWSSIM TR uses an 8-pin SOIC 208-mil package (Package Code SS), with pin 1 = /CS, pin 2 = DO (IO1), pin 3 = /WP (IO2), pin 4 = GND, pin 5 = DI (IO0), pin 6 = CLK, pin 7 = /HOLD or /RESET (IO3), pin 8 = VCC. Pin functions are mode-dependent: /WP and /HOLD are active only in Standard/Dual SPI; in Quad SPI mode, they serve as IO2 and IO3.
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| /CS (Pin 1) | Chip Select Input | Active-low enable: places DO in high-Z and reduces power to standby when high; required high-to-low transition before instruction acceptance |
| DO / IO1 (Pin 2) | Data Output / Bidirectional I/O | Unidirectional output in Standard SPI; bidirectional data line in Dual/Quad SPI - carries read data or address bytes |
| /WP / IO2 (Pin 3) | Write Protect Input / Bidirectional I/O | Hardware lock for status register when QE=0; becomes IO2 in Quad SPI - disables status writes if pulled low |
| GND (Pin 4) | Ground Reference | Primary return path for VCC and signal currents; must be low-impedance connection to avoid timing skew or noise coupling |
| DI / IO0 (Pin 5) | Data Input / Bidirectional I/O | Unidirectional input in Standard SPI; bidirectional data line in Dual/Quad SPI - receives instructions, addresses, and program data |
| CLK (Pin 6) | Serial Clock Input | Edge-triggered timing reference: rising edge for input sampling, falling edge for output valid - supports Mode 0 and Mode 3 |
| /HOLD / IO3 (Pin 7) | Hold or Reset Input / Bidirectional I/O | Pauses ongoing read/write when low (QE=0); becomes IO3 in Quad SPI - allows multi-device bus sharing without arbitration |
| VCC (Pin 8) | Power Supply | 1.7–1.95 V core supply; decoupling capacitor (≥100 nF) required near pin to suppress switching noise during high-speed reads |
Key Features
| Feature | Design Value |
|---|---|
| Dual/Quad SPI & QPI Interface | Enables scalable bandwidth: 133 MHz Quad I/O yields 532 Mbps, while QPI reduces instruction overhead for faster XIP startup |
| DTR (Double Transfer Rate) Read | Supports DTR Fast Read (0Dh/EDh) - transfers two bits per clock edge, doubling effective throughput vs. SDR mode |
| Flexible Erase Architecture | 4 KB sector erase allows independent firmware module updates without disturbing adjacent configuration or calibration data |
| Erase/Program Suspend & Resume | Permits background interrupt handling during long erase cycles - critical for real-time OS environments with latency constraints |
| OTP Security Registers | Three 256-byte one-time-programmable registers protect cryptographic keys or device-specific credentials from field reprogramming |
| JEDEC SFDP Compliance | Self-describing parameter table enables automatic driver initialization - eliminates hard-coded timing constants in bootloader code |
Applications
| Industrial PLC Firmware Storage | Automotive ADAS Boot Memory |
|---|---|
Use Scenario: Storing firmware images and configuration parameters in programmable logic controllers operating in harsh factory environments. IC Role / Device Role / Timing Role: Primary non-volatile boot memory providing XIP-capable code storage with hardware write protection for safety-critical firmware partitions. Use Value: 4KB sector erase enables over-the-air (OTA) updates of individual functional modules without full image reflash, reducing downtime and risk of corruption. |
Use Scenario: Holding boot code and sensor calibration data for advanced driver-assistance systems requiring ASIL-B compliance. IC Role / Device Role / Timing Role: Secure boot memory with 64-bit unique ID and OTP security registers to bind firmware signatures and prevent unauthorized firmware injection. Use Value: SFDP register auto-configuration ensures correct timing parameters across temperature and voltage variations - essential for reliable cold-start operation. |
| Medical Device Configuration Storage | IoT Edge Gateway Firmware |
Use Scenario: Retaining user-defined settings, calibration offsets, and regulatory audit logs in portable diagnostic equipment. IC Role / Device Role / Timing Role: Parameter storage device with top/bottom block protection to isolate immutable calibration data from field-updatable UI or connectivity stacks. Use Value: Hardware /WP pin + non-volatile BP bits prevent accidental overwrite during routine maintenance or battery replacement events. |
Use Scenario: Hosting Linux kernel, root filesystem, and OTA update staging area in cellular-connected edge gateways deployed in remote locations. IC Role / Device Role / Timing Role: High-bandwidth firmware repository supporting 66 MB/s continuous read for fast boot and background firmware validation. Use Value: 133 MHz Quad I/O interface minimizes boot time versus legacy SPI flash, improving system responsiveness after power loss or reset. |
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, 1.65–2.0 V supply, max 104 MHz Quad SPI, no DTR support, no SFDP register | Lacks DTR and SFDP - requires fixed timing in bootloader; lower max clock limits sustained throughput | Choose for cost-sensitive designs where 104 MHz bandwidth suffices and SFDP auto-configuration is unnecessary |
| S25FL132K0XMFI010 | 32 M-bit, 2.7–3.6 V supply, max 80 MHz Quad SPI, includes HyperBus interface option, no DTR | Higher voltage requirement incompatible with 1.8V systems; HyperBus adds complexity but offers higher burst bandwidth | Choose only if migrating from existing Cypress-based platforms or requiring HyperBus compatibility |
Compared with MX25L3233FZNI-10G and S25FL132K0XMFI010, the W25Q32JWSSIM TR delivers superior bandwidth (133 MHz + DTR), broader voltage margin (1.7–1.95 V), and standardized SFDP-driven initialization - making it optimal for new 1.8V embedded designs demanding secure, high-speed boot and field-upgradable firmware.
Availability
W25Q32JWSSIM TR is available at Aetrix Electronics and suitable for industrial control, automotive telematics, medical diagnostics, and IoT edge gateway applications requiring stable component supply, long-term lifecycle assurance, and traceable sourcing.
Supply support for W25Q32JWSSIM TR 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 consumer, industrial, and automotive markets.
The W25Q32JW series belongs to Winbond's high-performance SpiFlash family, designed specifically for code shadowing, execute-in-place (XIP) operation, and secure firmware storage in resource-constrained embedded systems.
FAQ
What is the operating voltage range of the W25Q32JWSSIM TR?
The W25Q32JWSSIM TR operates from 1.7 V to 1.95 V. This narrow 1.8V nominal range ensures compatibility with modern low-power microcontrollers and SoCs without external level shifters. Operation outside this range may cause unreliable read/write behavior or permanent damage. The device draws as little as 1 µA in power-down mode, supporting ultra-low-power sleep states in battery-operated systems.
Does the W25Q32JWSSIM TR support execute-in-place (XIP) functionality?
Yes, the W25Q32JWSSIM TR supports true XIP operation via its Quad SPI and QPI interfaces. With up to 133 MHz clocking and DTR read capability, it delivers sufficient bandwidth to run application code directly from flash without copying to RAM. The device's uniform 4KB sector architecture and erase/program suspend/resume features further enhance real-time XIP reliability during firmware updates.
How does the /WP pin function on the W25Q32JWSSIM TR?
The /WP pin on the W25Q32JWSSIM TR provides hardware-level write protection for the status register when the Quad Enable (QE) bit is cleared (QE=0). When pulled low, it prevents modification of block protection bits (BP2–BP0), top/bottom select (TB), and other volatile/non-volatile configuration bits. In Quad SPI mode (QE=1), /WP becomes IO2 and loses its protection function - protection must then rely solely on software-configured status register bits.
What package type does the W25Q32JWSSIM TR use?
The W25Q32JWSSIM TR uses an 8-pin SOIC 208-mil package (Package Code SS), with standard pinout: /CS (1), DO/IO1 (2), /WP/IO2 (3), GND (4), DI/IO0 (5), CLK (6), /HOLD or /RESET/IO3 (7), VCC (8). This surface-mount package measures 5.3 mm × 5.3 mm and is RoHS-compliant, optimized for automated PCB assembly and thermal reliability in industrial environments.
Is the W25Q32JWSSIM TR compatible with JEDEC-standard SFDP?
Yes, the W25Q32JWSSIM TR fully complies with JEDEC JESD216B SFDP (Serial Flash Discoverable Parameters) standard. Its SFDP register contains vendor-agnostic timing, erase, and command-set descriptors, enabling automatic driver initialization in modern bootloaders (e.g., U-Boot, ARM TF-A). This eliminates hardcoded timing values and improves portability across different flash vendors and densities.
W25Q32JWSSIM TR Specifications
- Product attributes
- Attribute value
- Manufacturer:
- Winbond Electronics Corporation
- Series:
- SpiFlash®
- Package/Case:
- 8-SOIC (0.209", 5.30mm Width)
- Packaging:
- Tape & Reel (TR)
- 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:
- 5ms
- Access Time:
- 6 ns
- Voltage - Supply:
- 1.7V ~ 1.95V
- Operating Temperature:
- -40°C ~ 85°C (TA)
- Grade:
- -
- Qualification:
- -
- Mounting Type:
- Surface Mount
- Supplier Device Package:
- 8-SOIC
W25Q32JWSSIM TR FAQ
1.How can I place an order for W25Q32JWSSIM TR through Aetrix?
Please submit a Request for Quotation (RFQ) for W25Q32JWSSIM TR 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 W25Q32JWSSIM TR reliable?
The price and inventory of W25Q32JWSSIM TR are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for W25Q32JWSSIM TR is usually 5 days.
3.What payment methods are accepted for W25Q32JWSSIM TR?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for W25Q32JWSSIM TR transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for W25Q32JWSSIM TR?
W25Q32JWSSIM TR orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your W25Q32JWSSIM TR 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 W25Q32JWSSIM TR?
For technical support, including W25Q32JWSSIM TR datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your W25Q32JWSSIM TR requirements.
6.How does Aetrix verify that W25Q32JWSSIM TR is sourced from the original manufacturer or authorized distributors?
All W25Q32JWSSIM TR 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 W25Q32JWSSIM TR meets industry standards.
7.What is the process for return or replacement of W25Q32JWSSIM TR?
All W25Q32JWSSIM TR units undergo pre-shipment inspection (PSI). If there is an issue with W25Q32JWSSIM TR, 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 W25Q32JWSSIM TR part is unused and in its original packaging.
Return procedure for W25Q32JWSSIM TR:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
W25Q32JWSSIM TR Tags
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