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Winbond Electronics Corporation W25Q32BVSFJP TR
- Part No.:
- W25Q32BVSFJP TR
- Manufacturer:
- Winbond Electronics Corporation
- Category:
- Memory
- Package:
- 16-SOIC (0.295", 7.50mm Width)
- Datasheet:
-
W25Q32BVSFJP TR.pdf
- Description:
- IC FLASH 32MBIT SPI/QUAD 16SOIC
- Quantity:
- Payment:
- Shipping:
Inventory:3,875
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Product details
Overview
W25Q32BVSFJP TR from Winbond is a 32M-bit (4MB) serial NOR flash memory IC supporting Standard, Dual, and Quad SPI interfaces with 104 MHz dual I/O and 80 MHz quad I/O clock rates. It features uniform 4KB sectors, 64KB blocks, 256-byte page programming, and operates from 2.7V to 3.6V. It is used for code execution in place (XIP), firmware storage, and parameter retention in microcontroller-based embedded systems.
For engineers reviewing the W25Q32BVSFJP TR datasheet, W25Q32BVSFJP TR pinout, W25Q32BVSFJP TR application, or W25Q32BVSFJP TR equivalent, key selection criteria include quad SPI enable (QE bit), sector-level hardware write protection (/WP & /HOLD functionality), continuous read mode latency (8-clock address overhead), and JEDEC-compliant 64-bit unique ID for secure boot and device authentication.
Technical Context
The W25Q32BVSFJP TR implements a SPI command set compliant with JEDEC JESD216 SFDP v1.5, enabling auto-configuration of read modes and timing parameters. Its status register architecture includes volatile/non-volatile bits (SRP0/SRP1, QE, TB, BP2–BP0) that control protection granularity and interface mode selection.
Quad SPI operation requires explicit setting of the non-volatile Quad Enable (QE) bit in Status Register-2; when enabled, /WP and /HOLD pins become IO2 and IO3, disabling hardware write protect and hold functions during quad mode. Erase/program suspend/resume capability supports real-time interrupt handling without data corruption.
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 required |
| Max Clock Frequency | 104 MHz for Dual I/O; 80 MHz for Quad I/O - enables 208 MB/s and 320 MB/s effective throughput |
| Erase Granularity | 4 KB sectors (1,024 total), 32 KB blocks (512), 64 KB blocks (64), and full chip erase - supports fine-grained firmware updates |
| Write Endurance | 100,000 program/erase cycles per sector - suitable for field-upgradable firmware with frequent minor patches |
| Data Retention | 20 years at +85°C - validated for industrial temperature operation without refresh |
| Power Supply | Single 2.7 V to 3.6 V supply; 4 mA active current, <1 µA power-down - enables low-power IoT node designs |
| Operating Temperature | –40°C to +85°C - qualified for automotive cabin and industrial control applications |
Pinout & Package
W25Q32BVSFJP TR is packaged in an 8-pin SOIC 300-mil (package code SF), with pin 1 = /HOLD (IO3), pin 2 = VCC, pins 3–6 = NC, pin 7 = /CS, pin 8 = DO (IO1), pin 9 = /WP (IO2), pin 10 = GND, pin 11 = NC, pin 12 = NC, pin 13 = NC, pin 14 = NC, pin 15 = DI (IO0), pin 16 = CLK. All NC pins must remain unconnected.
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| 1 (/HOLD) | Hold input / Quad I/O line 3 | Active-low pause signal for standard/dual SPI; becomes IO3 in quad mode when QE=1 |
| 7 (/CS) | Chip select input | Active-low enable; must transition high→low after power-up before first instruction |
| 8 (DO / IO1) | Data output / Quad I/O line 1 | Unidirectional output in standard SPI; bidirectional I/O in dual/quad modes |
| 9 (/WP / IO2) | Write protect input / Quad I/O line 2 | Hardware lock for status register; becomes IO2 in quad mode when QE=1 |
| 10 (GND) | Ground reference | Primary return path for all I/O and core logic; must be low-impedance |
| 15 (DI / IO0) | Data input / Quad I/O line 0 | Unidirectional input in standard SPI; bidirectional I/O in dual/quad modes |
| 16 (CLK) | Serial clock input | Edge-triggered timing source; supports SPI modes 0 and 3; max 104 MHz (dual), 80 MHz (quad) |
Key Features
| Feature | Design Value |
|---|---|
| Continuous Read Mode | Enables true XIP with only 8 clocks of instruction overhead per 24-bit address - eliminates external RAM buffering for boot code |
| Quad SPI with QE Bit | Non-volatile Quad Enable (QE) bit in Status Register-2 ensures persistent interface configuration across power cycles |
| Hardware Write Protection | /WP pin + SRP0/SRP1 bits provide dual-layer lock: physical pin control and register-level OTP protection for status register writes |
| 64-Bit Unique Serial Number | JEDEC-compliant factory-programmed ID enables secure device binding, anti-cloning, and firmware licensing enforcement |
| Erase/Program Suspend | Allows interruption of long erase/program operations (e.g., 300 ms sector erase) to service time-critical interrupts without data loss |
| SFDP Register Support | JESD216-compliant Serial Flash Discoverable Parameters register enables automatic driver initialization and timing calibration |
Applications
| Industrial PLC Firmware Storage | Automotive Infotainment Boot Memory |
|---|---|
|
Use Scenario: Storing and executing bootloader and application firmware in programmable logic controllers with periodic field updates. IC Role / Device Role / Timing Role: Primary non-volatile code storage with XIP support and sector-locked update partitions. Use Value: 4KB sector granularity allows atomic patching of firmware modules without erasing entire image; 20-year retention ensures reliability over equipment lifetime. |
Use Scenario: Hosting boot code and OS kernel for head-unit SoCs requiring fast cold-start and secure boot validation. IC Role / Device Role / Timing Role: High-speed Quad SPI boot memory interfaced directly to ARM Cortex-A application processor. Use Value: 320 MB/s effective throughput via Fast Read Quad I/O (EBh) reduces boot time by >40% vs. standard SPI; 64-bit UID enables cryptographic chain-of-trust. |
| IoT Edge Sensor Node Configuration | Medical Device Parameter Storage |
|
Use Scenario: Retaining calibrated sensor offsets, network credentials, and device-specific settings across power cycles in battery-powered nodes. IC Role / Device Role / Timing Role: Low-power parameter EEPROM replacement with hardware write protection against accidental overwrite. Use Value: <1 µA power-down current extends battery life; top/bottom block protection (TB bit) isolates critical config sectors from firmware update routines. |
Use Scenario: Storing FDA-mandated calibration logs, usage counters, and safety-critical configuration in portable diagnostic equipment. IC Role / Device Role / Timing Role: Tamper-resistant, long-term data archive with audit-trail integrity enforced via security registers. Use Value: Three 256-byte security registers with OTP locks prevent unauthorized modification of regulatory compliance data; JEDEC ID enables traceability. |
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, 104 MHz max clock, but lacks Quad SPI I/O (supports only Dual I/O); no SFDP register | Not suitable for XIP with high-bandwidth code fetch; requires manual timing configuration | Select only if Quad SPI and auto-configurable read modes are not required |
| S25FL132K0XMFI010 | 32 M-bit, 80 MHz Quad SPI, includes on-die ECC and sector lockdown; larger 8x6-mm WSON package | Better suited for safety-critical applications requiring error correction and permanent sector locking | Prefer when functional safety (IEC 61508 SIL-2) or enhanced data integrity is mandated |
Compared with W25Q32BVSFJP TR, MX25L3233FZNI-10G offers lower interface flexibility and no SFDP, while S25FL132K0XMFI010 adds ECC and lockdown at cost of higher price and different footprint - W25Q32BVSFJP TR balances performance, feature set, and SOIC-300 compatibility for mainstream embedded use.
Availability
W25Q32BVSFJP TR is available at Aetrix Electronics and suitable for industrial PLCs, automotive infotainment systems, and IoT edge sensor nodes requiring stable component supply, long-lifecycle support, and RoHS-compliant packaging.
Supply support for W25Q32BVSFJP 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, communications, and consumer markets.
The W25Q series was designed specifically for high-performance, space-constrained embedded systems needing reliable code storage, XIP execution, and flexible security features - targeting MCU-based applications where parallel flash is impractical.
FAQ
What is the package type and pin count of the W25Q32BVSFJP TR?
The W25Q32BVSFJP TR uses a 16-pin SOIC 300-mil package (package code SF). Pin 1 is /HOLD (IO3), pin 2 is VCC, pins 3–6 are no-connect, pin 7 is /CS, pin 8 is DO (IO1), pin 9 is /WP (IO2), pin 10 is GND, pins 11–14 are no-connect, pin 15 is DI (IO0), and pin 16 is CLK. This layout supports legacy board designs requiring wider SOIC spacing.
Does the W25Q32BVSFJP TR support Quad SPI mode out of the box?
No - the W25Q32BVSFJP TR requires the non-volatile Quad Enable (QE) bit in Status Register-2 to be set before Quad SPI operation is active. Until QE=1, /WP and /HOLD function as hardware protection pins; after QE is set, they become IO2 and IO3. The default state after power-up is QE=0.
How does hardware write protection work on the W25Q32BVSFJP TR?
Hardware write protection on the W25Q32BVSFJP TR combines the /WP pin (active-low) with status register bits SRP0/SRP1. When /WP is held low and SRP0/SRP1 are set to 10b or 11b, the status register becomes write-protected. This prevents accidental modification of block protection bits (BP2–BP0) and QE, ensuring firmware partitioning remains intact during field updates.
Can the W25Q32BVSFJP TR be used for execute-in-place (XIP) applications?
Yes - the W25Q32BVSFJP TR supports true XIP via Continuous Read Mode, which reduces instruction overhead to just 8 clock cycles for addressing. Combined with Fast Read Quad I/O (EBh) at up to 80 MHz, it delivers up to 320 MB/s effective bandwidth, enabling direct code execution from flash without intermediate RAM loading in Cortex-M and RISC-V microcontrollers.
What is the purpose of the 64-bit unique ID in the W25Q32BVSFJP TR?
Each W25Q32BVSFJP TR contains a factory-programmed, globally unique 64-bit serial number accessible via Read Unique ID Number (4Bh) instruction. This ID serves as a cryptographic root for secure boot, device authentication, firmware licensing, and anti-counterfeiting - eliminating need for external secure elements in cost-sensitive designs.
W25Q32BVSFJP TR Specifications
- Product attributes
- Attribute value
- Manufacturer:
- Winbond Electronics Corporation
- Series:
- SpiFlash®
- Package/Case:
- 16-SOIC (0.295", 7.50mm 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:
- 16-SOIC
W25Q32BVSFJP TR FAQ
1.How can I place an order for W25Q32BVSFJP TR through Aetrix?
Please submit a Request for Quotation (RFQ) for W25Q32BVSFJP 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 W25Q32BVSFJP TR reliable?
The price and inventory of W25Q32BVSFJP TR are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for W25Q32BVSFJP TR is usually 5 days.
3.What payment methods are accepted for W25Q32BVSFJP TR?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for W25Q32BVSFJP TR transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for W25Q32BVSFJP TR?
W25Q32BVSFJP TR orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your W25Q32BVSFJP 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 W25Q32BVSFJP TR?
For technical support, including W25Q32BVSFJP TR datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your W25Q32BVSFJP TR requirements.
6.How does Aetrix verify that W25Q32BVSFJP TR is sourced from the original manufacturer or authorized distributors?
All W25Q32BVSFJP 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 W25Q32BVSFJP TR meets industry standards.
7.What is the process for return or replacement of W25Q32BVSFJP TR?
All W25Q32BVSFJP TR units undergo pre-shipment inspection (PSI). If there is an issue with W25Q32BVSFJP 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 W25Q32BVSFJP TR part is unused and in its original packaging.
Return procedure for W25Q32BVSFJP TR:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
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