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Winbond Electronics Corporation W25Q32JWBYIQ TR
- Part No.:
- W25Q32JWBYIQ TR
- Manufacturer:
- Winbond Electronics Corporation
- Category:
- Memory
- Package:
- 12-UFBGA, WLCSP
- Datasheet:
-
W25Q32JWBYIQ TR.pdf
- Description:
- IC FLASH 32MBIT SPI/QUAD 12WLCSP
- Quantity:
- Payment:
- Shipping:
Inventory:4,324
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Product details
Overview
W25Q32JWBYIQ TR from Winbond is a 1.7–1.95V, 32M-bit (4MB) serial NOR flash memory with Dual/Quad SPI interface, supporting up to 133MHz Quad I/O clocking for 66MB/s continuous read throughput. It features uniform 4KB sectors (1,024 total), 64KB blocks (64 total), and hardware write protection via /WP pin. Used in industrial microcontroller boot code storage and firmware update storage where low-voltage operation and XIP capability are required.
For engineers reviewing the W25Q32JWBYIQ TR datasheet, W25Q32JWBYIQ TR pinout, W25Q32JWBYIQ TR application, or W25Q32JWBYIQ TR equivalent, key selection criteria include 1.7–1.95V supply compatibility, Quad SPI XIP support, 4KB sector granularity for parameter storage, hardware /WP and /HOLD functionality, and -40°C to +105°C industrial-plus temperature rating.
Technical Context
The W25Q32JWBYIQ TR implements a standard SPI bus (Mode 0/3) with optional Dual/Quad SPI extensions enabled by non-volatile QE bit in Status Register-2. Its command set includes Fast Read Quad I/O (EBh) for 532MHz effective bandwidth and Erase/Program Suspend (75h/7Ah) for concurrent background operations.
Memory organization comprises 16,384 × 256-byte pages, with erase granularity of 4KB (sector), 32KB (block), 64KB (block), or full chip. Security features include three 256-byte OTP-capable security registers, 64-bit unique ID, and SFDP register for discoverable parameters.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| Memory Density | 32 M-bit (4 MB) - supports full MCU firmware images and configuration data sets |
| Supply 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 - delivers 66 MB/s sustained read rate for fast boot and XIP execution |
| Erase Granularity | 4 KB sectors (1,024 total) - allows fine-grained firmware parameter updates without disturbing adjacent code |
| Endurance & Retention | 100,000 program/erase cycles; >20 years data retention - suitable for field-upgradable embedded systems |
| Operating Temperature | -40°C to +105°C - certified for industrial-plus grade applications including motor control and power electronics |
| Interface Modes | Standard SPI, Dual SPI, Quad SPI - backward-compatible with legacy controllers while enabling bandwidth scaling |
Pinout & Package
W25Q32JWBYIQ TR is supplied in 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. The /HOLD function is active-low and disabled when Quad SPI mode is enabled (QE=1).
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| /CS (Pin 1) | Chip Select Input | Active-low enable: high = device deselected (high-Z outputs, standby current); must transition high→low before instruction acceptance |
| DO / IO1 (Pin 2) | Data Output / Bidirectional I/O | Unidirectional output in Standard SPI; bidirectional I/O in Dual/Quad modes - used for read data and status feedback |
| /WP / IO2 (Pin 3) | Write Protect Input / Bidirectional I/O | Hardware lock for Status Register writes; becomes IO2 in Quad mode when QE=1 - requires external pull-up for default protection |
| GND (Pin 4) | Ground Reference | Primary return path for all I/O and core logic; must be low-impedance connection to system ground plane |
| DI / IO0 (Pin 5) | Data Input / Bidirectional I/O | Unidirectional input in Standard SPI; bidirectional I/O in Dual/Quad modes - carries instructions, addresses, and write data |
| CLK (Pin 6) | Serial Clock Input | Edge-triggered timing reference for all SPI transfers; supports Mode 0 (CPOL=0, CPHA=0) and Mode 3 (CPOL=1, CPHA=1) |
| /HOLD or /RESET (Pin 7) | Hold Input / Reset Alternative | Pauses ongoing SPI transfer when low; function replaced by IO3 in Quad mode - not a dedicated /RESET pin in SOIC-8 |
| VCC (Pin 8) | Power Supply | 1.7–1.95V core supply; must ramp monotonically during power-up with /CS tracking VCC per tVSL timing requirement |
Key Features
| Feature | Design Value |
|---|---|
| Quad Enable (QE) Bit | Non-volatile bit in Status Register-2 that reassigns /WP and /HOLD pins to IO2/IO3 - enables 4-line data bus for 4× bandwidth scaling |
| Erase/Program Suspend | Allows temporary halt of active erase/program operation to service urgent reads - critical for real-time systems with mixed access patterns |
| Individual Sector Lock | Per-sector (4KB) write-lock capability via 32-bit lock register - prevents accidental overwrite of calibration or security-critical data |
| 64-bit Unique ID | Factory-programmed immutable identifier per die - enables secure device authentication and firmware binding in IoT edge nodes |
| SFDP Register Support | JEDEC-standard Serial Flash Discoverable Parameters table at 0x00000000 - allows runtime detection of geometry, timing, and feature set without hard-coded assumptions |
Applications
| Industrial Motor Control Firmware Storage | Medical Device Boot Code Storage |
|---|---|
Use Scenario: Storing bootloader and safety-critical motor control firmware in variable-speed drives operating at 85°C ambient. IC Role / Device Role / Timing Role: Non-volatile code storage with XIP support and hardware write protection to prevent corruption during EMI-rich switching events. Use Value: 4KB sector erase enables incremental firmware patching without full reflash; 100K endurance ensures >10-year field life under frequent update cycles. | Use Scenario: Holding certified boot image and cryptographic keys in portable ultrasound units requiring FDA-compliant traceability. IC Role / Device Role / Timing Role: Secure, tamper-resistant storage for signed firmware and device identity - leverages OTP security registers and unique 64-bit ID. Use Value: Hardware /WP pin + volatile/non-volatile status register protection prevents unauthorized modification during service or transport. |
| Automotive ADAS Camera Module | Smart Grid Communication Gateway |
Use Scenario: Storing camera ISP firmware and calibration tables in AEC-Q100 Grade 2 vision modules exposed to -40°C to +105°C thermal cycling. IC Role / Device Role / Timing Role: High-reliability code shadowing source with 133MHz Quad SPI interface to meet real-time image pipeline latency budgets. Use Value: 66MB/s read throughput reduces boot time by >40% vs. standard SPI; industrial-plus temp rating eliminates derating concerns. | Use Scenario: Hosting protocol stack firmware and encrypted communication certificates in DIN-rail-mounted grid edge controllers deployed in substations. IC Role / Device Role / Timing Role: Long-life, secure firmware repository with SFDP-based auto-configuration for interoperability across vendor-specific host MCUs. Use Value: SFDP register allows same BOM part to adapt to different host controller SPI timing requirements without firmware changes. |
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 | 3.3V supply only; max 104MHz Quad SPI; no /HOLD pin in 8-pin SOIC | Lacks 1.8V compatibility and hardware hold function - unsuitable for low-voltage industrial designs requiring pause capability | Select W25Q32JWBYIQ TR when 1.7–1.95V operation, /HOLD support, or higher 133MHz Quad I/O bandwidth is required. |
| S25FL132K0XMFI010 | 1.7–2.0V supply; 80MHz Quad SPI; Cypress-specific command set (no JEDEC ID compatibility) | Requires custom driver adaptation due to non-standard instruction opcodes - increases validation effort for multi-vendor BOMs | Select W25Q32JWBYIQ TR when JEDEC-compliant instruction set, 133MHz performance, or broader ecosystem tool support is needed. |
Compared with MX25L3233FZBI-10G and S25FL132K0XMFI010, the W25Q32JWBYIQ TR provides superior voltage flexibility, higher Quad SPI bandwidth, native JEDEC ID/SFDP compliance, and integrated /HOLD functionality - making it optimal for new industrial-plus designs demanding interoperability and future-proofing.
Availability
W25Q32JWBYIQ TR is available at Aetrix Electronics and suitable for industrial motor control, medical imaging devices, automotive ADAS modules, and smart grid infrastructure requiring stable component supply across extended temperature ranges and long product lifecycles.
Supply support for W25Q32JWBYIQ 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 serial flash, RAM, and mobile DRAM, serving industrial, automotive, and communications markets since 1987.
The W25Q32JWBYIQ TR belongs to Winbond's W25Q "JW" series - engineered specifically for industrial-plus applications demanding 1.8V operation, extended temperature reliability (-40°C to +105°C), and enhanced security features like OTP security registers and unique ID.
FAQ
What is the supply voltage range supported by the W25Q32JWBYIQ TR?
The W25Q32JWBYIQ TR operates from 1.7 V to 1.95 V. This narrow 1.8V nominal range ensures compatibility with modern low-power microcontrollers and eliminates the need for level-shifting circuitry. Operation outside this range may cause undefined behavior or permanent damage. The device includes internal voltage monitoring that holds reset until VCC exceeds VWI threshold, preventing spurious writes during brown-out conditions.
Does the W25Q32JWBYIQ TR support execute-in-place (XIP) functionality?
Yes, the W25Q32JWBYIQ TR supports XIP via Dual and Quad SPI interfaces. When configured in Quad SPI mode (QE bit set), instructions like Fast Read Quad I/O (EBh) enable direct code execution from flash without copying to RAM. This reduces boot time and SRAM usage in resource-constrained microcontrollers. XIP performance is validated up to 133MHz clock frequency with proper PCB layout and termination.
How many 4KB sectors does the W25Q32JWBYIQ TR contain, and why does sector size matter?
The W25Q32JWBYIQ TR contains 1,024 uniform 4KB sectors. This granularity enables precise firmware updates - for example, modifying calibration data or security keys without erasing adjacent application code. Smaller sectors reduce wear on unrelated memory regions and improve over-the-air update efficiency in field-deployed devices where minimizing erase cycles extends flash lifetime.
Is the /RESET pin available on the W25Q32JWBYIQ TR in SOIC-8 package?
No, the W25Q32JWBYIQ TR in SOIC-8 (208-mil) package does not include a dedicated /RESET pin. Pin 7 functions as /HOLD in Standard/Dual SPI mode and as IO3 in Quad SPI mode. Hardware reset is only available on SOIC-16 and TFBGA packages. For SOIC-8, system-level reset must be handled via software reset sequence (66h + 99h) or controlled power cycling.
What security features are implemented in the W25Q32JWBYIQ TR?
The W25Q32JWBYIQ TR includes hardware write protection via /WP pin, volatile/non-volatile status register bits (BP2–BP0, TB, SEC, CMP), individual sector lock/unlock commands (36h/39h), three 256-byte OTP-capable security registers, and a factory-programmed 64-bit unique ID. These features collectively prevent unauthorized firmware modification, enable secure key storage, and support device authentication protocols in regulated environments.
W25Q32JWBYIQ TR Specifications
- Product attributes
- Attribute value
- Manufacturer:
- Winbond Electronics Corporation
- Series:
- SpiFlash®
- Package/Case:
- 12-UFBGA, WLCSP
- 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:
- -
- Voltage - Supply:
- 1.7V ~ 1.95V
- Operating Temperature:
- -40°C ~ 85°C (TA)
- Grade:
- -
- Qualification:
- -
- Mounting Type:
- Surface Mount
- Supplier Device Package:
- 12-WLCSP (2.31x2.03)
W25Q32JWBYIQ TR FAQ
1.How can I place an order for W25Q32JWBYIQ TR through Aetrix?
Please submit a Request for Quotation (RFQ) for W25Q32JWBYIQ 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 W25Q32JWBYIQ TR reliable?
The price and inventory of W25Q32JWBYIQ TR are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for W25Q32JWBYIQ TR is usually 5 days.
3.What payment methods are accepted for W25Q32JWBYIQ TR?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for W25Q32JWBYIQ TR transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for W25Q32JWBYIQ TR?
W25Q32JWBYIQ TR orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your W25Q32JWBYIQ 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 W25Q32JWBYIQ TR?
For technical support, including W25Q32JWBYIQ TR datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your W25Q32JWBYIQ TR requirements.
6.How does Aetrix verify that W25Q32JWBYIQ TR is sourced from the original manufacturer or authorized distributors?
All W25Q32JWBYIQ 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 W25Q32JWBYIQ TR meets industry standards.
7.What is the process for return or replacement of W25Q32JWBYIQ TR?
All W25Q32JWBYIQ TR units undergo pre-shipment inspection (PSI). If there is an issue with W25Q32JWBYIQ 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 W25Q32JWBYIQ TR part is unused and in its original packaging.
Return procedure for W25Q32JWBYIQ TR:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
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