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Winbond Electronics Corporation W25Q32BVSSJP TR
- Part No.:
- W25Q32BVSSJP TR
- Manufacturer:
- Winbond Electronics Corporation
- Category:
- Memory
- Package:
- 8-SOIC (0.209", 5.30mm Width)
- Datasheet:
-
W25Q32BVSSJP TR.pdf
- Description:
- IC FLASH 32MBIT SPI/QUAD 8SOIC
- Quantity:
- Payment:
- Shipping:
Inventory:2,154
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Product details
Overview
W25Q32BVSSJP TR from Winbond is a 32M-bit (4MB) serial NOR flash memory IC supporting Standard, Dual, and Quad SPI interfaces with 104MHz dual/80MHz quad clock capability. It features uniform 4KB sectors, 256-byte page programming, and operates from 2.7V–3.6V for embedded code storage and XIP execution in microcontroller-based systems.
For engineers reviewing the W25Q32BVSSJP TR datasheet, W25Q32BVSSJP TR pinout, W25Q32BVSSJP TR application, or W25Q32BVSSJP TR equivalent, key selection criteria include Quad SPI enable (QE bit), sector-level hardware write protection (/WP & /HOLD pin behavior), continuous read mode timing (8-clock address overhead), and SOIC-208-mil (SS) package compatibility with legacy PCB footprints.
Technical Context
The W25Q32BVSSJP TR implements a SPI command set compliant with JEDEC JESD216 SFDP v1.5, enabling auto-configuration of read latencies and timing parameters. Its status register includes non-volatile Quad Enable (QE) bit and volatile Block Protect (BP2–BP0) bits, requiring explicit Write Enable before modification.
It supports three SPI modes (Standard/Dual/Quad) with dynamic pin reassignment: /WP and /HOLD become IO2/IO3 only when QE=1; otherwise they retain hardware protection functions. Erase suspend/resume and security registers (3×256B OTP-locked) provide robust firmware update and parameter storage control.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| Memory Density | 32 M-bit (4,194,304 bytes), organized as 16,384 × 256-byte pages |
| Interface Support | Standard SPI (CLK, /CS, DI, DO, /WP, /HOLD); Dual SPI (IO0/IO1); Quad SPI (IO0–IO3) with QE bit enabled |
| Max Clock Frequency | 104 MHz (Dual I/O), 80 MHz (Quad I/O); enables 208 MB/s dual and 320 MB/s quad effective throughput |
| Erase Granularity | Uniform 4 KB sectors (1,024 total), 32 KB blocks (512), 64 KB blocks (64), and full-chip erase |
| Write Endurance | 100,000 program/erase cycles per sector, ensuring long-term reliability in firmware update applications |
| Data Retention | 20 years at +25°C, critical for industrial and automotive deployments without field refresh |
| Operating Voltage | 2.7 V to 3.6 V single supply; compatible with 3.3 V logic families and low-power MCU domains |
| Temperature Range | –40°C to +85°C industrial grade, validated across full voltage range for embedded system stability |
Pinout & Package
W25Q32BVSSJP TR uses an 8-pin SOIC 208-mil package (package code SS), with gull-wing leads and standard 1.27 mm pitch. Pin 1 is marked by a beveled corner or dot; device orientation follows JEDEC MS-012.
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| 1 /CS | Chip Select Input | Active-low enable; high-impedance DO during deselect; must transition high→low after power-up before first instruction |
| 2 DO (IO1) | Data Output / Bidirectional I/O | Unidirectional output in Standard SPI; bidirectional IO1 in Dual/Quad SPI; driven only when /CS is low |
| 3 /WP (IO2) | Write Protect Input / Bidirectional I/O | Hardware lock for status register when QE=0; becomes IO2 in Quad SPI (QE=1); active-low function |
| 4 GND | Ground Reference | Primary return path for all internal circuitry; requires low-impedance connection to system ground plane |
| 5 DI (IO0) | Data Input / Bidirectional I/O | Unidirectional input in Standard SPI; bidirectional IO0 in Dual/Quad SPI; sampled on CLK rising edge |
| 6 CLK | Serial Clock Input | Master-generated timing signal; supports SPI Mode 0 (CPOL=0, CPHA=0) and Mode 3 (CPOL=1, CPHA=1) |
| 7 /HOLD (IO3) | Hold Input / Bidirectional I/O | Pauses ongoing SPI transaction when low and /CS active; becomes IO3 in Quad SPI (QE=1); active-low |
| 8 VCC | Power Supply | 2.7–3.6 V nominal; decoupling capacitor (0.1 µF ceramic) required within 5 mm of pin for stable operation |
Key Features
| Feature | Design Value |
|---|---|
| Continuous Read Mode | Enables true XIP with ≤8-clock instruction overhead per 24-bit address; eliminates repeated command reissuance for sequential access |
| Quad SPI Enable (QE) | Non-volatile bit in Status Register-2; controls /WP and /HOLD pin remapping-must be set before Quad I/O instructions execute |
| Hardware Write Protection | /WP pin + BP2/BP1/BP0 bits allow selective locking of top/bottom 4KB sectors without software intervention or power loss risk |
| Erase/Program Suspend | Allows pausing active erase or program operations via 75h instruction; resumes with 7Ah-critical for real-time interrupt handling |
| 64-bit Unique ID | Factory-programmed serial number readable via 4Bh instruction; enables secure device authentication and firmware binding |
| SFDP Register | JESD216-compliant flash parameter table (5Ah) provides runtime-configurable read latencies, dummy cycles, and command sets |
Applications
| IoT Edge Node Firmware Storage | Industrial PLC Boot Code Memory |
|---|---|
|
Use Scenario: Storing signed firmware images and configuration parameters in battery-powered sensor nodes with infrequent OTA updates. IC Role / Device Role / Timing Role: Non-volatile code and data storage with hardware write protection to prevent accidental corruption during brown-out events. Use Value: 4KB sector granularity enables atomic update of individual parameter banks; 100K-cycle endurance supports >10 years of field upgrades at monthly intervals. |
Use Scenario: Hosting boot loader and real-time control firmware in programmable logic controllers operating in harsh factory environments. IC Role / Device Role / Timing Role: Primary boot memory accessed via Quad SPI XIP to reduce external RAM footprint and accelerate cold-start sequence. Use Value: 80MHz Quad SPI delivers 320 MB/s effective bandwidth-sufficient to stream 16-bit instruction words at >20 MIPS sustained rate. |
| Automotive Infotainment UI Assets | Medical Device Calibration Data Vault |
|
Use Scenario: Caching graphical assets (icons, fonts, animations) for head-unit displays where fast random access reduces UI latency. IC Role / Device Role / Timing Role: High-speed serial memory mapped via memory controller with continuous read wrap support for burst pixel streaming. Use Value: Continuous Read Mode with 32-byte wrap minimizes bus arbitration overhead-achieving <100 ns average access time for adjacent UI elements. |
Use Scenario: Securely storing factory-calibrated sensor coefficients and regulatory audit logs in portable diagnostic equipment. IC Role / Device Role / Timing Role: Tamper-resistant parameter storage using OTP-locked security registers and hardware /WP protection during power transitions. Use Value: 3×256-byte security registers with individual OTP locks ensure calibration data cannot be overwritten post-certification without physical device replacement. |
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, same SOIC-208 package; supports DTR mode but lacks SFDP register and security registers | No built-in parameter auto-discovery; requires fixed timing setup in host driver; no OTP-locked calibration storage | Choose for cost-sensitive designs where JEDEC SFDP and security features are unnecessary |
| S25FL132K0XMFI010 | 32Mb, 80MHz Quad SPI, same pinout; includes HyperBus interface option and deeper security (AES-128 encryption) | Requires additional HyperFlash-compatible controller; higher BOM cost; overqualified for basic SPI-only use cases | Choose only if future migration to HyperBus or hardware encryption is planned |
Compared with W25Q32BVSSJP TR, MX25L3233FZNI-10G offers identical speed and footprint but omits SFDP and security registers-reducing flexibility in dynamic timing adaptation and secure parameter storage. S25FL132K0XMFI010 adds HyperBus and AES encryption, increasing complexity and cost without benefit for standard SPI-based firmware storage.
Availability
W25Q32BVSSJP TR is available at Aetrix Electronics and suitable for IoT edge node firmware storage, industrial PLC boot code memory, and automotive infotainment UI assets requiring stable component supply across extended product lifecycles.
Supply support for W25Q32BVSSJP 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 manufacturer specializing in specialty DRAM, mobile DRAM, and serial flash memory solutions for embedded and industrial markets.
The W25Q series targets high-reliability code storage and XIP execution in resource-constrained systems, emphasizing SPI protocol flexibility, sector-level protection, and long-term data retention without refresh.
FAQ
What is the package type and lead count of W25Q32BVSSJP TR?
W25Q32BVSSJP TR uses an 8-pin SOIC 208-mil (0.208 inch wide) package with gull-wing leads and 1.27 mm pitch. The "SS" in the part number explicitly denotes this SOIC-208 variant, confirmed in Winbond's ordering information table and package specification section 9.1.
Does W25Q32BVSSJP TR support Quad SPI mode out of the box?
No-W25Q32BVSSJP TR requires the Quad Enable (QE) bit in Status Register-2 to be set via Write Status Register (01h) instruction before Quad SPI commands (e.g., EBh, 6Bh) will function. Until QE=1, pins /WP and /HOLD remain dedicated to hardware write protection and hold functions.
How does hardware write protection work on W25Q32BVSSJP TR?
W25Q32BVSSJP TR implements dual-layer hardware write protection: the /WP pin (active-low) locks status register writes when asserted, while BP2/BP1/BP0 bits in the status register define protected 4KB sector ranges. Both mechanisms operate independently and persist through power cycles.
What is the minimum instruction overhead for sequential reads on W25Q32BVSSJP TR?
In Continuous Read Mode, W25Q32BVSSJP TR requires only 8 clock cycles to transmit a 24-bit address before delivering the first data byte-enabling true execute-in-place (XIP) operation with minimal bus arbitration latency between successive memory accesses.
Can W25Q32BVSSJP TR be used in automotive applications requiring AEC-Q100 qualification?
W25Q32BVSSJP TR is rated for –40°C to +85°C industrial temperature range and is not AEC-Q100 qualified. For automotive applications, Winbond offers the AEC-Q100 qualified W25Q32JWxxIQ variant; W25Q32BVSSJP TR should be limited to non-safety-critical consumer or industrial use cases.
W25Q32BVSSJP 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:
- Obsolete
- 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:
- 104 MHz
- Write Cycle Time - Word, Page:
- 50µs, 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
W25Q32BVSSJP TR FAQ
1.How can I place an order for W25Q32BVSSJP TR through Aetrix?
Please submit a Request for Quotation (RFQ) for W25Q32BVSSJP 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 W25Q32BVSSJP TR reliable?
The price and inventory of W25Q32BVSSJP TR are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for W25Q32BVSSJP TR is usually 5 days.
3.What payment methods are accepted for W25Q32BVSSJP TR?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for W25Q32BVSSJP TR transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for W25Q32BVSSJP TR?
W25Q32BVSSJP TR orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your W25Q32BVSSJP 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 W25Q32BVSSJP TR?
For technical support, including W25Q32BVSSJP TR datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your W25Q32BVSSJP TR requirements.
6.How does Aetrix verify that W25Q32BVSSJP TR is sourced from the original manufacturer or authorized distributors?
All W25Q32BVSSJP 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 W25Q32BVSSJP TR meets industry standards.
7.What is the process for return or replacement of W25Q32BVSSJP TR?
All W25Q32BVSSJP TR units undergo pre-shipment inspection (PSI). If there is an issue with W25Q32BVSSJP 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 W25Q32BVSSJP TR part is unused and in its original packaging.
Return procedure for W25Q32BVSSJP TR:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
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