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Winbond Electronics Corporation W25Q32JVZEJQ
- Part No.:
- W25Q32JVZEJQ
- Manufacturer:
- Winbond Electronics Corporation
- Category:
- Memory
- Package:
- 8-WDFN Exposed Pad
- Datasheet:
-
W25Q32JVZEJQ.pdf
- Description:
- IC FLASH 32MBIT SPI/QUAD 8WSON
- Quantity:
- Payment:
- Shipping:
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Product details
Overview
W25Q32JVZEJQ from Winbond is a 32M-bit (4MB) serial NOR flash memory IC supporting Standard, Dual, and Quad SPI interfaces with up to 133 MHz clock frequency, 2.7–3.6 V supply, and industrial temperature range (−40°C to +85°C). It features uniform 4KB sectors, 100K program-erase cycles per sector, and 20+ year data retention - deployed in embedded boot code storage, firmware update partitions, and XIP-capable microcontroller systems.
For engineers reviewing the W25Q32JVZEJQ datasheet, W25Q32JVZEJQ pinout, W25Q32JVZEJQ application, or W25Q32JVZEJQ equivalent, key selection criteria include Quad SPI enable (QE bit), /HOLD vs /RESET pin availability in SOIC-16/TFBGA packages, 4KB sector granularity for parameter logging, and JEDEC SFDP register support for auto-configuration in Linux MTD or U-Boot environments.
Technical Context
The W25Q32JVZEJQ implements a SPI-compatible command set with three operational modes: Standard (DI/DO), Dual (IO0/IO1), and Quad (IO0–IO3), where Quad mode requires non-volatile setting of the QE bit in Status Register-2. Its internal architecture includes a 256-byte page buffer, 1,024 erasable 4KB sectors, and dedicated security registers for firmware integrity.
It supports hardware write protection via active-low /WP and /HOLD pins (shared with IO3 in Quad mode), plus software-controlled block/sector lock via status register bits (BP2–BP0, TB, SEC, CMP). The device integrates a 64-bit unique ID and SFDP register for standardized parameter discovery - critical for bootloader portability across flash vendors.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| Memory Density | 32 M-bit (4 MB) organized as 16,384 × 256-byte pages |
| Interface Support | Standard/Dual/Quad SPI with 133 MHz max CLK; 532 MHz effective Quad I/O throughput |
| Supply Voltage | 2.7 V to 3.6 V - compatible with 3.3 V logic rails and low-power MCU domains |
| Erase Granularity | Uniform 4 KB sectors (1,024 total), 32 KB blocks (128), 64 KB blocks (64), full-chip erase |
| Endurance & Retention | ≥100,000 program-erase cycles per sector; >20 years data retention at 85°C |
| Operating Temp | −40°C to +85°C (Industrial Grade) - validated for automotive body control and industrial HMI |
| Security Features | 64-bit unique ID, three 256-byte security registers, SFDP v1.6 register, OTP-lockable LB bits |
Pinout & Package
W25Q32JVZEJQ uses an 8-pin WSON 6×5-mm package (JEDEC MO-241, package code ZP), with exposed pad for thermal dissipation and space-constrained PCB layouts.
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| 1 /CS | Chip Select Input | Active-low enable; high-impedance DO/IOx when deasserted; must transition high→low before new instruction |
| 2 DO (IO1) | Data Output / Bidirectional I/O | Unidirectional output in Standard SPI; bidirectional IO1 in Dual/Quad mode; used for read data and status |
| 3 /WP (IO2) | Write Protect Input / Bidirectional I/O | Hardware write lock for status register; becomes IO2 in Quad mode when QE=1 |
| 4 GND | Ground Reference | Primary return path for VCC and I/O signals; connects to thermal pad on bottom of WSON package |
| 5 DI (IO0) | Data Input / Bidirectional I/O | Unidirectional input in Standard SPI; bidirectional IO0 in Dual/Quad mode; carries instructions, addresses, data |
| 6 CLK | Serial Clock Input | Edge-triggered timing reference; supports SPI Mode 0 and Mode 3; max 133 MHz for Quad I/O reads |
| 7 /HOLD (IO3) | Hold Input / Bidirectional I/O | Pauses ongoing read/write while /CS active; becomes IO3 in Quad mode; not available when QE=1 |
| 8 VCC | Power Supply | 2.7–3.6 V core and I/O supply; decoupling capacitor required within 5 mm of pin |
Key Features
| Feature | Design Value |
|---|---|
| Quad SPI Enable (QE bit) | Non-volatile configuration in Status Register-2 enables 4-line I/O for 4× bandwidth gain over Standard SPI |
| Erase/Program Suspend | Allows background read access during long erase (e.g., 64KB block) or program operations - critical for real-time UI responsiveness |
| Individual Sector Lock | Per-sector write protection via 32-bit lock bits (LB3–LB1) and security registers - prevents accidental firmware overwrite |
| Continuous Read Wrap | Configurable 8/16/32/64-byte wrap mode reduces address overhead and enables true XIP execution without prefetch stalls |
| SFDP Register Support | JEDEC JESD216-compliant Serial Flash Discoverable Parameters register - enables automatic driver initialization in Linux and RTOS |
Applications
| Boot Code Storage | Firmware Update Partition |
|---|---|
Use Scenario: Storing primary bootloader (e.g., U-Boot SPL) and initial kernel image for ARM Cortex-M/A devices. IC Role / Device Role / Timing Role: Non-volatile code storage with XIP capability; accessed at power-on reset via SPI ROM interface. Use Value: Enables fast cold boot (<50 ms) using Fast Read Quad I/O (EBh) at 133 MHz, reducing system startup latency versus parallel NOR. |
Use Scenario: Isolating field-upgradable firmware images in dedicated memory regions to support A/B OTA updates. IC Role / Device Role / Timing Role: Dual-bank partitioned storage with atomic sector erase; managed by MCU's update agent. Use Value: 4KB sector granularity allows precise versioned image writes without disturbing boot loader or config sectors. |
| Secure Parameter Logging | Industrial HMI Display Cache |
Use Scenario: Recording calibration data, sensor offsets, and runtime diagnostics in battery-backed or energy-harvesting edge nodes. IC Role / Device Role / Timing Role: Low-power, wear-leveled parameter store; accessed infrequently but requiring high endurance. Use Value: 100K cycle rating per sector ensures >10 years of daily logging at 3 writes/day; /WP pin enables hardware lock after commissioning. |
Use Scenario: Caching GUI assets (fonts, icons, splash screens) for ARM-based HMIs with limited SDRAM bandwidth. IC Role / Device Role / Timing Role: High-throughput read-only asset repository; streamed via DMA to display controller. Use Value: 66 MB/s continuous Quad I/O read rate eliminates frame buffer bottlenecks - outperforms 16-bit parallel flash in same footprint. |
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 | 32 M-bit, 104 MHz max Quad SPI, 2.7–3.6 V, same 8-pin WSON 6×5-mm (ZP) package | No /HOLD pin; /RESET not supported; lacks SFDP v1.6 and 64-bit UID | Prefer W25Q32JVZEJQ when SFDP auto-discovery or secure UID-based licensing is required. |
| S25FL132K0XMFI010 | 32 M-bit, 80 MHz Quad SPI, 2.7–3.6 V, 8-pin SOIC 208-mil (not WSON); supports HyperBus in pin-compatible variant | Different pinout (SOIC); no /HOLD function; requires external pull-ups on IOx for compatibility | Choose W25Q32JVZEJQ for space-constrained designs needing WSON and integrated /HOLD functionality. |
Compared with MX25L3233FZUI-10G and S25FL132K0XMFI010, W25Q32JVZEJQ delivers higher Quad SPI bandwidth (133 vs 104/80 MHz), native /HOLD support in WSON, and JEDEC SFDP v1.6 - enabling plug-and-play integration in modern Linux BSPs without vendor-specific drivers.
Availability
W25Q32JVZEJQ is available at Aetrix Electronics and suitable for boot code storage, firmware update partitions, and secure parameter logging requiring stable component supply across industrial, automotive, and medical electronics programs.
Supply support for W25Q32JVZEJQ 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, RAM, and mobile DRAM.
The W25Q series targets high-reliability embedded systems requiring fast, secure, and pin-efficient code and data storage - optimized for MCU boot, OTA updates, and industrial firmware resilience.
FAQ
What is the package type and footprint of W25Q32JVZEJQ?
W25Q32JVZEJQ uses an 8-pin WSON 6×5-mm package (JEDEC MO-241, code ZP) with an exposed thermal pad. It is pin-compatible with other Winbond W25Q32JV variants in the same ZP package, and matches industry-standard land patterns for 6×5-mm WSON - no redesign needed when migrating from earlier revisions like W25Q32JVSIQ.
Does W25Q32JVZEJQ support hardware reset, and which packages include the /RESET pin?
W25Q32JVZEJQ does not include a dedicated /RESET pin in its WSON 6×5-mm (ZP) package. Hardware reset is only available on SOIC-16 (SF) and TFBGA (TB/TC) packages. For W25Q32JVZEJQ, system-level reset must be implemented via software sequence (66h + 99h) or power-cycle coordination - confirmed in Revision G datasheet Section 4.6 and Figure 1b.
How is Quad SPI mode enabled on W25Q32JVZEJQ, and what happens to the /WP and /HOLD pins?
Quad SPI mode on W25Q32JVZEJQ is enabled by setting the non-volatile Quad Enable (QE) bit in Status Register-2 (SR2). When QE = 1, the /WP pin becomes IO2 and the /HOLD pin becomes IO3 - both are repurposed as bidirectional data lines. This behavior is mandatory for Quad I/O instructions (e.g., EBh) and is documented in Section 4.2 and Figure 1a-c of the datasheet.
What is the minimum erase unit size supported by W25Q32JVZEJQ, and why does it matter for firmware design?
W25Q32JVZEJQ supports 4 KB sector erase as its smallest uniform erase unit - corresponding to 1,024 individually erasable sectors. This granularity enables precise firmware partitioning (e.g., isolating bootloader, app image, and config sections), minimizes wear on frequently updated regions, and avoids unnecessary full-chip erases during OTA patching - directly improving field reliability and update speed.
Can W25Q32JVZEJQ be used in XIP (execute-in-place) configurations, and what feature enables this?
Yes, W25Q32JVZEJQ supports true XIP operation via its Continuous Read mode with configurable wrap (8/16/32/64-byte), which eliminates address retransmission overhead between consecutive reads. Combined with Fast Read Quad I/O (EBh) at up to 133 MHz, this allows deterministic instruction fetch timing - verified in Section 2 ("Efficient 'Continuous Read'") and Section 6.3 of the datasheet for direct CPU execution without local RAM buffering.
W25Q32JVZEJQ Specifications
- Product attributes
- Attribute value
- Manufacturer:
- Winbond Electronics Corporation
- Series:
- SpiFlash®
- Package/Case:
- 8-WDFN Exposed Pad
- 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:
- 8-WSON (8x6)
W25Q32JVZEJQ FAQ
1.How can I place an order for W25Q32JVZEJQ through Aetrix?
Please submit a Request for Quotation (RFQ) for W25Q32JVZEJQ 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 W25Q32JVZEJQ reliable?
The price and inventory of W25Q32JVZEJQ are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for W25Q32JVZEJQ is usually 5 days.
3.What payment methods are accepted for W25Q32JVZEJQ?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for W25Q32JVZEJQ transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for W25Q32JVZEJQ?
W25Q32JVZEJQ orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your W25Q32JVZEJQ 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 W25Q32JVZEJQ?
For technical support, including W25Q32JVZEJQ datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your W25Q32JVZEJQ requirements.
6.How does Aetrix verify that W25Q32JVZEJQ is sourced from the original manufacturer or authorized distributors?
All W25Q32JVZEJQ 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 W25Q32JVZEJQ meets industry standards.
7.What is the process for return or replacement of W25Q32JVZEJQ?
All W25Q32JVZEJQ units undergo pre-shipment inspection (PSI). If there is an issue with W25Q32JVZEJQ, 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 W25Q32JVZEJQ part is unused and in its original packaging.
Return procedure for W25Q32JVZEJQ:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
W25Q32JVZEJQ Tags
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M24C02-WMN6TP
STMicroelectronics
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AT24C02C-XHM-T
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AT21CS01-STUM10-T
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24LC01BT-I/OT
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M24C02-FMC6TG
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AT24CS02-SSHM-T
Microchip Technology
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93LC46BT-I/OT
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AT24C04C-SSHM-T
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24LC01BT-I/SN
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24AA02UIDT-I/OT
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AT24C08C-STUM-T
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