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Winbond Electronics Corporation W25Q32JVTBJM
- Part No.:
- W25Q32JVTBJM
- Manufacturer:
- Winbond Electronics Corporation
- Category:
- Memory
- Package:
- 24-TBGA
- Datasheet:
-
W25Q32JVTBJM.pdf
- Description:
- IC FLASH 32MBIT SPI/QUAD 24TFBGA
- Quantity:
- Payment:
- Shipping:
Inventory:4,743
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Product details
Overview
W25Q32JVTBJM from Winbond is a 32 M-bit (4 MB) serial NOR flash memory with Dual/Quad SPI, QPI, and Double Transfer Rate (DTR) support, operating from 2.7V to 3.6V. It features uniform 4 KB sectors, 100K program-erase cycles per sector, >20-year data retention, and supports execute-in-place (XIP) via Continuous Read Mode with as few as 8 clock cycles for address setup. It is used in embedded boot code storage, firmware updates, and parameter logging in space-constrained industrial and consumer devices.
For engineers reviewing the W25Q32JVTBJM datasheet, W25Q32JVTBJM pinout, W25Q32JVTBJM application, or W25Q32JVTBJM equivalent, key selection considerations include DTR read performance (up to 532 MHz equivalent), quad I/O pin mapping (IO0–IO3), hardware reset availability, and sector-level write protection granularity.
Technical Context
The W25Q32JVTBJM implements a flexible SPI/QPI/DTR command set with volatile and non-volatile status register bits (QE, BP2–BP0, TB, SEC, CMP, SRP) enabling fine-grained memory protection. Its architecture supports simultaneous erase/program suspend/resume, 64-bit unique ID, SFDP register for discoverable parameters, and three 256-byte OTP-lockable security registers.
It operates in Standard SPI (CLK, /CS, DI, DO, /WP, /HOLD), Dual SPI (IO0, IO1), Quad SPI (IO0–IO3), and QPI modes - with QE bit (Status Register-2) controlling IO2 (/WP) and IO3 (/HOLD) reassignment. The /RESET pin is dedicated only in 16-pin SOIC packages; for W25Q32JVTBJM (8-pin TFBGA), reset is software-controlled or enabled via HOLD/RST bit when QE=0.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| Memory Density | 32 M-bit (4,194,304 bytes), organized as 16,384 × 256-byte pages |
| Operating Voltage | 2.7 V to 3.6 V - compatible with 3.3 V logic systems without level shifting |
| Max Clock Frequency | 133 MHz SPI; enables 266 MHz (Dual I/O) or 532 MHz (Quad I/O) effective throughput |
| Erase Granularity | Uniform 4 KB sectors (1,024 total), 32 KB blocks (128), 64 KB blocks (64), and full-chip erase |
| Endurance & Retention | ≥100,000 program/erase cycles per sector; ≥20 years data retention at +85°C |
| Power Consumption | 1 µA typical in power-down mode - critical for battery-backed or low-power IoT nodes |
| Interface Modes | Standard/Dual/Quad SPI, QPI, and DTR-capable Fast Read (0Dh, EDh, 0Eh) |
Pinout & Package
W25Q32JVTBJM uses the 24-ball TFBGA 8×6-mm package with 6×4 ball array (Package Code TC), pin-compatible with Winbond's W25Q32JV-DTR family. Ball pitch is 0.8 mm; body size is 8.0 mm × 6.0 mm × 1.0 mm.
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| A4 | /RESET | Dedicated hardware reset input - independent of QE or HOLD/RST bit; can be left floating if unused |
| B2 | CLK | Serial clock input - timing reference for all SPI/QPI/DTR operations; supports up to 133 MHz |
| B3 | GND | Ground reference - must be low-impedance connection for signal integrity and noise immunity |
| B4 | VCC | Primary power supply - decoupling capacitor (0.1 µF) required within 10 mm of this pin |
| C2 | /CS | Chip select input - active-low enable; device enters standby when high; must track VCC at power-up |
| C4 | /WP (IO2) | Write protect input (Standard/Dual SPI) or Quad I/O data line (IO2) when QE=1 |
| D2 | DO (IO1) | Data output (Standard SPI) or bidirectional I/O line (IO1) in Dual/Quad modes |
| D3 | DI (IO0) | Data input (Standard SPI) or bidirectional I/O line (IO0) in Dual/Quad modes |
| D4 | /HOLD (IO3) | Hold input (Standard/Dual SPI) or Quad I/O data line (IO3) when QE=1; pauses ongoing transfers |
Key Features
| Feature | Design Value |
|---|---|
| Continuous Read Mode | Enables true XIP with ≤8-clock instruction overhead per 24-bit address - eliminates external RAM buffering for boot code |
| DTR (Double Transfer Rate) | Supports DTR Fast Read (0Dh/EDh) and DTR Burst Read (0Eh) - doubles data rate per clock edge vs. standard SPI |
| Quad Enable (QE) Bit | Non-volatile bit in Status Register-2 that reassigns /WP and /HOLD pins to IO2/IO3 - required for Quad I/O operation |
| Security Registers | Three 256-byte OTP-lockable registers - store cryptographic keys or calibration data immune to field reprogramming |
| Individual Sector Lock | Hardware + software lock/unlock per 4 KB sector (36h/39h instructions) - prevents accidental overwrite of critical firmware partitions |
Applications
| Industrial PLC Firmware Storage | Automotive Infotainment Boot Memory |
|---|---|
|
Use Scenario: Storing bootloader, real-time OS kernel, and configuration tables in programmable logic controllers with no external RAM. IC Role / Device Role / Timing Role: Primary non-volatile boot memory providing XIP execution via Quad SPI at 133 MHz clock. Use Value: Eliminates need for external SDRAM initialization sequence; reduces boot time by 35% vs. parallel flash due to Continuous Read efficiency. |
Use Scenario: Holding certified infotainment firmware images and OTA update staging area in automotive head units. IC Role / Device Role / Timing Role: Secure, field-upgradable code storage with hardware write protection on boot sectors and SFDP-defined parameter layout. Use Value: Enables A/B firmware partitioning with atomic sector swaps; 64-bit unique ID supports secure firmware signing verification. |
| Medical Device Parameter Logging | Smart Home Gateway Configuration |
|
Use Scenario: Recording sensor calibration offsets, usage logs, and audit trails in Class II medical equipment with regulatory data integrity requirements. IC Role / Device Role / Timing Role: Parameter storage with individual 4 KB sector locking and OTP-protected security registers for calibration keys. Use Value: Meets IEC 62304 traceability requirements via write-protection granularity and tamper-evident unique ID binding. |
Use Scenario: Storing Wi-Fi credentials, Zigbee mesh keys, and user preferences in battery-powered smart home hubs. IC Role / Device Role / Timing Role: Low-power configuration memory supporting <1 µA deep-sleep current and fast wake-from-reset access. Use Value: Extends coin-cell battery life beyond 5 years; DTR read mode ensures sub-100 µs credential fetch during BLE connection setup. |
Equivalent & Alternatives
The following parts are listed as comparable options for similar serial NOR flash applications.
| Alternative Part | Technical Difference | Application Difference | Selection Advice |
|---|---|---|---|
| MX25L3233FZC-10G | 32 M-bit, 104 MHz max clock, no DTR support, lacks SFDP register and 64-bit UID | Lower bandwidth; not suitable for XIP-critical designs requiring DTR or standardized parameter discovery | Select W25Q32JVTBJM when DTR read performance, SFDP compliance, or unique ID are required. |
| S25FL132K0XMFI010 | 32 M-bit, 80 MHz max clock, supports HyperBus but not QPI/DTR; different security register structure | Requires HyperFlash controller; incompatible pinout and command set - not drop-in replaceable | Choose W25Q32JVTBJM for SPI/QPI/DTR ecosystem compatibility and broader MCU driver support. |
Compared with MX25L3233FZC-10G and S25FL132K0XMFI010, the W25Q32JVTBJM delivers higher throughput via DTR, standardized SFDP-based configuration, and stronger security features - making it optimal for next-generation embedded systems demanding performance, interoperability, and firmware integrity.
Availability
W25Q32JVTBJM is available at Aetrix Electronics and suitable for industrial control firmware storage, automotive infotainment boot loading, and medical device parameter logging requiring stable component supply across multi-year production cycles.
Supply support for W25Q32JVTBJM 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 since 1987.
The W25Q series was designed for high-performance, space-constrained embedded systems requiring reliable code storage, fast XIP execution, and robust security - targeting industrial, automotive, and medical applications.
FAQ
What interface protocols does the W25Q32JVTBJM support?
The W25Q32JVTBJM supports Standard SPI, Dual SPI, Quad SPI, QPI, and Double Transfer Rate (DTR) read modes. It requires the Quad Enable (QE) bit to be set in Status Register-2 to activate Quad I/O functionality, which reassigns /WP and /HOLD pins to IO2 and IO3. DTR commands like 0Dh (DTR Fast Read) and 0Eh (DTR Burst Read) double data transfer efficiency per clock edge.
Does the W25Q32JVTBJM have a dedicated hardware reset pin?
Yes - the W25Q32JVTBJM in its 24-ball TFBGA (TC) package includes a dedicated /RESET pin at ball A4. This pin provides hardware reset independent of status register settings or operational state, unlike 8-pin SOIC variants where reset relies on the HOLD/RST bit. The /RESET pin can be left floating if hardware reset is not required.
How is write protection implemented on the W25Q32JVTBJM?
The W25Q32JVTBJM implements multi-layer write protection: hardware via /WP pin (active-low, disabled in Quad mode), software via status register bits (BP2–BP0, TB, SEC, CMP), and OTP-based security register locks. Block Protect bits allow locking of 4 KB sectors or larger regions; the /WP pin remains functional only in Standard/Dual SPI modes when QE=0.
What is the significance of the SFDP register in the W25Q32JVTBJM?
The SFDP (Serial Flash Discoverable Parameters) register in the W25Q32JVTBJM provides standardized, vendor-agnostic access to device geometry, timing, and feature parameters via instruction 5Ah. It enables automatic driver configuration in modern MCUs and SoCs, eliminating hard-coded assumptions about erase times, voltage ranges, or command sets - improving firmware portability and reducing integration effort.
Can the W25Q32JVTBJM be used for execute-in-place (XIP) operation?
Yes - the W25Q32JVTBJM supports true XIP via Continuous Read Mode with as few as 8 clock cycles to initiate a read after address setup. Combined with Quad SPI or QPI interfaces and 133 MHz clock support, it delivers sustained throughput up to 66 MB/s, enabling direct code execution from flash without copying to RAM - reducing system BOM cost and boot latency.
W25Q32JVTBJM Specifications
- Product attributes
- Attribute value
- Manufacturer:
- Winbond Electronics Corporation
- Series:
- SpiFlash®
- Package/Case:
- 24-TBGA
- Packaging:
- Tube
- 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:
- 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:
- 24-TFBGA (8x6)
W25Q32JVTBJM FAQ
1.How can I place an order for W25Q32JVTBJM through Aetrix?
Please submit a Request for Quotation (RFQ) for W25Q32JVTBJM 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 W25Q32JVTBJM reliable?
The price and inventory of W25Q32JVTBJM are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for W25Q32JVTBJM is usually 5 days.
3.What payment methods are accepted for W25Q32JVTBJM?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for W25Q32JVTBJM transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for W25Q32JVTBJM?
W25Q32JVTBJM orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your W25Q32JVTBJM 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 W25Q32JVTBJM?
For technical support, including W25Q32JVTBJM datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your W25Q32JVTBJM requirements.
6.How does Aetrix verify that W25Q32JVTBJM is sourced from the original manufacturer or authorized distributors?
All W25Q32JVTBJM 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 W25Q32JVTBJM meets industry standards.
7.What is the process for return or replacement of W25Q32JVTBJM?
All W25Q32JVTBJM units undergo pre-shipment inspection (PSI). If there is an issue with W25Q32JVTBJM, 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 W25Q32JVTBJM part is unused and in its original packaging.
Return procedure for W25Q32JVTBJM:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
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