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Winbond Electronics Corporation W25Q32JWSNIQ TR
- Part No.:
- W25Q32JWSNIQ TR
- Manufacturer:
- Winbond Electronics Corporation
- Category:
- Memory
- Package:
- 8-SOIC (0.154", 3.90mm Width)
- Datasheet:
-
W25Q32JWSNIQ TR.pdf
- Description:
- IC FLASH 32MBIT SPI/QUAD 8SOIC
- Quantity:
- Payment:
- Shipping:
Inventory:3,486
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Product details
Overview
W25Q32JWSNIQ TR from Winbond is a 32M-bit (4MB) 1.8V serial NOR flash memory with Dual/Quad SPI interface, organized as 16,384 × 256-byte pages, supporting 4KB sector/32KB–64KB block erase, and rated for -40°C to +85°C industrial operation. It enables XIP execution, code shadowing, and secure firmware storage in space-constrained embedded systems.
For engineers reviewing the W25Q32JWSNIQ TR datasheet, W25Q32JWSNIQ TR pinout, W25Q32JWSNIQ TR application, or W25Q32JWSNIQ TR equivalent, key selection criteria include Quad I/O 133MHz clock support, 66MB/s continuous read throughput, hardware /WP and /HOLD pins, JEDEC ID/SFDP compliance, and 100K program-erase cycles with >20-year data retention.
Technical Context
The W25Q32JWSNIQ TR implements a standard SPI bus (Mode 0/3) with optional Dual/Quad I/O modes enabled via non-volatile QE bit in Status Register-2. Its command set includes Fast Read Quad I/O (EBh), Quad Input Page Program (32h), and Erase/Program Suspend (75h/7Ah), enabling deterministic latency control during concurrent operations.
It integrates three 256-byte security registers, 64-bit unique ID, and flexible protection schemes: volatile/non-volatile BP/TB/SEC bits, individual sector lock (36h/39h), and OTP array protection. The /HOLD pin supports multi-device SPI arbitration, while /RESET (dedicated on TFBGA) provides hard reset independent of SPI state.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| Memory Density | 32 M-bit (4 MB) - sufficient for full MCU boot images and firmware partitions |
| Supply Voltage | 1.7 V to 1.95 V - compatible with low-power 1.8V system rails |
| Max Clock Frequency | 133 MHz Quad I/O - delivers 532 Mbps effective bandwidth for high-speed XIP |
| Erase Granularity | 4 KB sectors / 32 KB & 64 KB blocks - enables fine-grained firmware update without full chip erase |
| Endurance | 100,000 program-erase cycles - supports frequent OTA updates in field-deployed devices |
| Data Retention | >20 years at 85°C - validated for long-life industrial deployments |
| Operating Temp | -40°C to +85°C - meets industrial grade requirements per datasheet revision H |
Pinout & Package
W25Q32JWSNIQ TR uses an 8-pin SOIC 150-mil package (Package Code SN), with lead-free, RoHS-compliant construction and tape-and-reel packaging (TR suffix). Pin 1 is /CS; Pin 2 is DO (IO1); Pin 3 is /WP (IO2); Pin 4 is GND; Pin 5 is DI (IO0); Pin 6 is CLK; Pin 7 is /HOLD or /RESET (IO3); Pin 8 is VCC.
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| /CS (Pin 1) | Chip Select Input | Active-low enable: drives device into high-Z output and standby current (<0.1µA) when high |
| DO (IO1) (Pin 2) | Data Output / Bidirectional I/O | Serial data output in Standard/Dual SPI; IO1 in Quad mode after QE=1 |
| /WP (IO2) (Pin 3) | Write Protect Input / Bidirectional I/O | Hardware lock for status register; becomes IO2 in Quad mode when QE=1 |
| GND (Pin 4) | Ground Reference | Primary return path for VCC and I/O signals; must be low-impedance for timing stability |
| DI (IO0) (Pin 5) | Data Input / Bidirectional I/O | Serial data input in Standard/Dual SPI; IO0 in Quad mode after QE=1 |
| CLK (Pin 6) | Serial Clock Input | Edge-triggered timing reference for all SPI transfers; supports Mode 0 and Mode 3 |
| /HOLD (IO3) (Pin 7) | Hold Input / Bidirectional I/O | Pauses active transfers without deselecting; disabled in Quad mode (reassigned to IO3) |
| VCC (Pin 8) | Power Supply | 1.7–1.95 V supply; requires local 100nF decoupling near pin for AC noise suppression |
Key Features
| Feature | Design Value |
|---|---|
| Quad I/O with 133 MHz clock | Enables 66 MB/s sustained read - eliminates bottleneck vs. parallel NOR in compact layouts |
| Erase/Program Suspend & Resume | Allows background erase to pause for urgent reads/writes - critical for real-time firmware updates |
| Three 256-byte Security Registers | Stores cryptographic keys or calibration data with lockable write access - prevents runtime tampering |
| 64-bit Unique Serial Number | Provides hardware-rooted device identity for secure boot and license binding - no external EEPROM needed |
| SFDP Register Support | Self-describing flash parameters (timing, voltage, erase sizes) - enables automatic driver configuration in Linux/Bare Metal |
Applications
| Industrial PLC Firmware Storage | Medical Device Boot Image |
|---|---|
Use Scenario: Storing certified firmware and configuration data in DIN-rail mounted programmable logic controllers operating continuously in factory environments. IC Role / Device Role / Timing Role: Non-volatile code storage with XIP capability and hardware write protection against EMI-induced corruption. Use Value: 4KB sector erase allows incremental firmware patching without disrupting control loop execution; 100K endurance supports 10+ years of field updates. | Use Scenario: Holding boot loader, OS kernel, and regulatory-cleared application binaries in portable diagnostic equipment requiring traceable firmware versions. IC Role / Device Role / Timing Role: Secure boot source with unique ID and SFDP-driven initialization for FDA-compliant audit trails. Use Value: 64-bit unique ID binds firmware signature to hardware; security registers store decryption keys isolated from main array. |
| Automotive Infotainment Head Unit | Smart Energy Meter Firmware |
Use Scenario: Hosting multimedia OS, UI assets, and over-the-air (OTA) update staging area in automotive infotainment systems with ASIL-B adjacent requirements. IC Role / Device Role / Timing Role: High-bandwidth Quad SPI flash for fast GUI loading and dual-bank OTA rollback support. Use Value: 133 MHz Quad I/O enables sub-500ms boot time; suspend/resume avoids audio dropouts during background updates. | Use Scenario: Storing metrology firmware, tariff tables, and encrypted usage logs in utility-grade smart meters deployed outdoors for 15+ years. IC Role / Device Role / Timing Role: Long-retention, temperature-stable storage with hardware write protect against grid surge events. Use Value: >20-year data retention at 85°C ensures log integrity across full product lifecycle; /WP pin prevents accidental overwrite during power transients. |
Equivalent & Alternatives
The following parts are listed as comparable options for similar serial NOR flash applications.
| Alternative Part | Technical Difference | Application Difference | Selection Advice |
|---|---|---|---|
| MX25L3233FZUI-10G | 32M-bit, 1.65–2.0V supply, 104MHz max Quad SPI clock, no dedicated /HOLD pin in 8-pin SOIC | Lacks /HOLD functionality and 133MHz speed; lower bandwidth limits XIP performance | Select when cost sensitivity outweighs need for highest-speed Quad I/O or multi-device hold arbitration |
| S25FL132K0XMFI010 | 32M-bit, 2.7–3.6V supply, 80MHz Quad SPI, integrated ECC, no /WP pin in 8-pin SOIC | Higher voltage requirement incompatible with 1.8V systems; ECC adds overhead but improves reliability | Choose only for 3.3V designs requiring built-in error correction; not drop-in for 1.8V W25Q32JWSNIQ TR |
Compared with MX25L3233FZUI-10G and S25FL132K0XMFI010, the W25Q32JWSNIQ TR uniquely delivers 133MHz Quad I/O at 1.8V with full /WP and /HOLD support in SOIC-150, making it optimal for industrial and automotive edge devices needing speed, low voltage, and robust hardware protection.
Availability
W25Q32JWSNIQ TR is available at Aetrix Electronics and suitable for industrial automation, medical diagnostics, and automotive infotainment systems requiring stable component supply, long-term lifecycle assurance, and RoHS-compliant packaging.
Supply support for W25Q32JWSNIQ 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 memory solutions, including SPI NOR/NAND flash and RAM products for industrial, automotive, and consumer markets.
The W25Q series targets high-performance, low-voltage embedded systems requiring reliable code storage, XIP execution, and advanced security features - designed specifically for resource-constrained microcontroller platforms.
FAQ
What is the maximum Quad SPI clock frequency supported by the W25Q32JWSNIQ TR?
The W25Q32JWSNIQ TR supports up to 133 MHz Quad SPI clock frequency, enabling 532 Mbps effective data transfer rate using Fast Read Quad I/O (EBh) instructions. This specification is validated across the full industrial temperature range (-40°C to +85°C) and 1.7–1.95 V supply, as confirmed in Revision H of the official Winbond datasheet. The W25Q32JWSNIQ TR achieves this speed with tight AC timing margins and requires proper PCB layout (controlled impedance, length matching) to maintain signal integrity.
Does the W25Q32JWSNIQ TR have a hardware reset pin (/RESET)?
No, the W25Q32JWSNIQ TR does not include a dedicated hardware /RESET pin. Per the datasheet, the /RESET function is only available on SOIC-16 and TFBGA packages - the W25Q32JWSNIQ TR uses an 8-pin SOIC 150-mil (SN) package where Pin 7 is /HOLD (not /RESET). Reset functionality is provided exclusively via software sequence: Enable Reset (66h) followed by Reset Device (99h), which resets the W25Q32JWSNIQ TR to its power-on state in ~30 µs.
How is write protection implemented on the W25Q32JWSNIQ TR?
The W25Q32JWSNIQ TR implements dual-layer write protection: hardware-level via the /WP pin (active-low, protects status register when asserted), and software-level via status register bits (BP2–BP0, TB, SEC, CMP, SRP). These can be configured independently or together - for example, setting BP2–BP0 = 111 with /WP = low locks the top 512 KB. All protection schemes are non-volatile unless explicitly cleared, and the W25Q32JWSNIQ TR also supports one-time-programmable (OTP) array locking upon special order.
Can the W25Q32JWSNIQ TR be used for execute-in-place (XIP) operation?
Yes, the W25Q32JWSNIQ TR supports execute-in-place (XIP) directly from Quad SPI interface, enabled by its high-speed 133 MHz clock and Fast Read Quad I/O (EBh) instruction. XIP eliminates need for external RAM loading, reducing BOM cost and boot time. To use XIP, the host MCU must support Quad SPI peripheral with configurable I/O mapping, and the W25Q32JWSNIQ TR's QE bit (Status Register-2) must be set to 1. Verified operation includes sequential instruction fetches with sub-100 ns latency per 32-bit word.
What package type and marking correspond to W25Q32JWSNIQ TR?
The W25Q32JWSNIQ TR is packaged in an 8-pin SOIC 150-mil body (Package Code SN), with lead-free, halogen-free, RoHS-compliant construction and tape-and-reel delivery (TR suffix). Top-side marking is "W25Q32JW" followed by date code and traceability symbols per Winbond standard. This matches the "SN" variant listed in Section 11.1 of the datasheet and is distinct from WSON, TFBGA, or WLCSP variants of the same base part number.
W25Q32JWSNIQ TR Specifications
- Product attributes
- Attribute value
- Manufacturer:
- Winbond Electronics Corporation
- Series:
- SpiFlash®
- Package/Case:
- 8-SOIC (0.154", 3.90mm 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
- 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
W25Q32JWSNIQ TR FAQ
1.How can I place an order for W25Q32JWSNIQ TR through Aetrix?
Please submit a Request for Quotation (RFQ) for W25Q32JWSNIQ 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 W25Q32JWSNIQ TR reliable?
The price and inventory of W25Q32JWSNIQ TR are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for W25Q32JWSNIQ TR is usually 5 days.
3.What payment methods are accepted for W25Q32JWSNIQ TR?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for W25Q32JWSNIQ TR transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for W25Q32JWSNIQ TR?
W25Q32JWSNIQ TR orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your W25Q32JWSNIQ 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 W25Q32JWSNIQ TR?
For technical support, including W25Q32JWSNIQ TR datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your W25Q32JWSNIQ TR requirements.
6.How does Aetrix verify that W25Q32JWSNIQ TR is sourced from the original manufacturer or authorized distributors?
All W25Q32JWSNIQ 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 W25Q32JWSNIQ TR meets industry standards.
7.What is the process for return or replacement of W25Q32JWSNIQ TR?
All W25Q32JWSNIQ TR units undergo pre-shipment inspection (PSI). If there is an issue with W25Q32JWSNIQ 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 W25Q32JWSNIQ TR part is unused and in its original packaging.
Return procedure for W25Q32JWSNIQ TR:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
W25Q32JWSNIQ TR Tags
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M24C02-WMN6TP
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AT21CS01-STUM10-T
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