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Winbond Electronics Corporation W25Q32JVTCIQ
- Part No.:
- W25Q32JVTCIQ
- Manufacturer:
- Winbond Electronics Corporation
- Category:
- Memory
- Package:
- 24-TBGA
- Datasheet:
-
W25Q32JVTCIQ.pdf
- Description:
- IC FLASH 32MBIT SPI/QUAD 24TFBGA
- Quantity:
- Payment:
- Shipping:
Inventory:1,129
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Product details
Overview
W25Q32JVTCIQ from Winbond is a 32M-bit (4MB) serial NOR flash memory IC designed for code storage and XIP (execute-in-place) in space-constrained embedded systems. It supports Standard, Dual, and Quad SPI interfaces with up to 133 MHz clock frequency, delivers 66 MB/s continuous read throughput, operates from 2.7V–3.6V, and features 4KB uniform sectors, 100K program-erase cycles, and -40°C to +85°C industrial temperature range.
For engineers reviewing the W25Q32JVTCIQ datasheet, W25Q32JVTCIQ pinout, W25Q32JVTCIQ application, or W25Q32JVTCIQ equivalent, this page provides verified pin functions, real-world timing performance, sector protection architecture, security register capabilities, and validated drop-in alternatives for industrial MCU boot memory, firmware storage, and secure configuration data retention.
Technical Context
The W25Q32JVTCIQ implements a quad-SPI-compatible command set with non-volatile Quad Enable (QE) bit in Status Register-2; when QE=1, /WP and /HOLD pins become IO2 and IO3, enabling full 4-line bidirectional data transfer. Its block diagram integrates a 256-byte page buffer, SFDP register for JEDEC-standard parameter discovery, and three 256-byte one-time-programmable (OTP) security registers.
It supports hardware write protection via active-low /WP and /HOLD pins, software-controlled sector/block locking (BP2–BP0, TB, SEC), and dual reset mechanisms: software sequence (66h+99h) and dedicated /RESET pin (available only on SOIC-16 and TFBGA packages). Erase granularity includes 4KB sectors, 32KB blocks, 64KB blocks, and full-chip erase - all with guaranteed 20-year data retention.
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 SPI (DI/DO), Dual SPI (IO0/IO1), Quad SPI (IO0–IO3) with 133 MHz max CLK |
| Read Throughput | 66 MB/s using Fast Read Quad I/O (EBh) at 133 MHz (532 MHz effective) |
| Erase Granularity | Uniform 4KB sectors (1,024 total), 32KB/64KB blocks (32/64 total), chip-erase |
| Endurance & Retention | 100,000 program/erase cycles per sector; >20 years data retention at 85°C |
| Supply & Temp | 2.7V–3.6V single supply; -40°C to +85°C industrial operating range |
| Security Features | 64-bit unique ID, SFDP register, three 256-byte OTP security registers, volatile/non-volatile status bits |
Pinout & Package
W25Q32JVTCIQ uses an 8-pin TSSOP (Thin Shrink Small Outline Package) with 173-mil body width (package code TC), pin-compatible with standard SOIC-8 but with reduced footprint and thermal resistance. Pin 1 is /CS; pin 8 is VCC; GND is pin 4; CLK is pin 6; bidirectional I/Os occupy pins 2 (DO/IO1), 3 (/WP/IO2), 5 (DI/IO0), and 7 (/HOLD/IO3).
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| 1 /CS | Chip Select Input | Active-low enable: high = device deselected (high-Z DO, standby current); low = instruction/data accepted |
| 2 DO (IO1) | Data Output / Bidirectional I/O | Standard SPI output (DO); Dual/Quad SPI bidirectional data line IO1; requires QE=1 for Quad mode |
| 3 /WP (IO2) | Write Protect Input / Bidirectional I/O | Hardware lock for status register; becomes IO2 in Quad mode when QE=1; active-low |
| 4 GND | Ground Reference | Primary return path for VCC and I/O signals; must be low-impedance for stable SPI timing |
| 5 DI (IO0) | Data Input / Bidirectional I/O | Standard SPI input (DI); Dual/Quad SPI bidirectional data line IO0; rising-edge sampled |
| 6 CLK | Serial Clock Input | Master-generated timing signal; supports SPI modes 0 and 3; max 133 MHz for Quad I/O |
| 7 /HOLD (IO3) | Hold Input / Bidirectional I/O | Pauses ongoing read/write; becomes IO3 in Quad mode when QE=1; active-low |
| 8 VCC | Power Supply | 2.7V–3.6V core voltage; decoupling capacitor (0.1 µF) required within 5 mm of pin |
Key Features
| Feature | Design Value |
|---|---|
| Quad SPI XIP Support | Enables direct code execution from flash via EBh/6Bh instructions - eliminates RAM copy overhead in Cortex-M boot sequences |
| 4KB Uniform Sector Architecture | Allows fine-grained firmware partitioning: bootloader (sector 0), app image (sectors 1–127), config NVRAM (sector 128), OTA staging (sector 129) |
| Erase/Program Suspend & Resume | Permits background interrupt servicing during long erase operations - critical for real-time RTOS applications with deterministic latency |
| Volatile/Non-Volatile Status Control | BP2–BP0, TB, SEC, CMP, SRP bits can be set either temporarily (volatile) or permanently (non-volatile) - enables field-upgrade-safe protection schemes |
| JEDEC SFDP & Unique ID | Allows runtime detection of memory geometry and vendor parameters; 64-bit UID enables device-specific key binding in secure boot chains |
Applications
| Industrial MCU Boot Memory | Firmware Storage for IoT Edge Nodes |
|---|---|
|
Use Scenario: Bootloader fetches initial firmware from external flash before initializing DDR and loading application image into RAM. IC Role / Device Role / Timing Role: Primary non-volatile code storage with XIP-capable Quad SPI interface; delivers 66 MB/s read bandwidth to meet ARM Cortex-M4/M7 boot timing budgets. Use Value: Eliminates need for parallel NOR flash or internal flash expansion; reduces BOM count by replacing dual-memory architectures with single W25Q32JVTCIQ + RAM. |
Use Scenario: Battery-powered sensor node stores firmware updates, calibration tables, and event logs across power cycles. IC Role / Device Role / Timing Role: Field-upgradable persistent storage with 4KB sector erase - enables atomic OTA patching without corrupting active firmware partitions. Use Value: 100K endurance and 20-year retention ensure 10+ years of daily firmware updates; /WP pin hardens against accidental overwrite during brown-out conditions. |
| Secure Configuration Storage | Audio/Video Firmware Caching |
|
Use Scenario: Medical device stores encrypted device identity, cryptographic keys, and regulatory compliance flags in tamper-resistant memory. IC Role / Device Role / Timing Role: Secure parameter vault using three 256-byte OTP security registers and individual sector lock (36h/39h) commands. Use Value: Prevents cloning or reprogramming via physical probe; UID + SFDP allows runtime validation of memory authenticity in secure boot verification flows. |
Use Scenario: Set-top box caches decoded video metadata and subtitle fonts to reduce HDMI latency during channel switching. IC Role / Device Role / Timing Role: High-throughput streaming buffer accessed via Fast Read Quad I/O (EBh) at 133 MHz - sustains >50 MB/s burst reads for 1080p60 frame headers. Use Value: Outperforms legacy parallel flash in bandwidth-per-pin ratio; 8-pin TSSOP footprint fits tight PCB layouts where 16-pin SOIC or BGA are prohibitive. |
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 |
|---|---|---|---|
| MX25L3233FZC-12G | 32Mb, 120 MHz max Quad SPI, same 8-pin TSSOP (TC), but lacks /RESET pin and OTP security registers | Suitable for cost-sensitive consumer apps without secure boot; no hardware reset or UID support | Choose when security features are unnecessary and BOM cost is primary constraint |
| S25FL132K0XMFI010 | 32Mb, 80 MHz Quad SPI, 8-pin SOIC-150mil (SN), includes hardware reset and configurable deep power-down mode | Better suited for ultra-low-power battery apps needing <100 nA deep-sleep current; pinout differs (SOIC vs TSSOP) | Select if PCB layout allows SOIC-150 and sub-µA sleep current is mandatory |
Compared with MX25L3233FZC-12G and S25FL132K0XMFI010, W25Q32JVTCIQ uniquely combines 133 MHz Quad SPI speed, 8-pin TSSOP compatibility, integrated /HOLD functionality, and three OTP security registers - making it optimal for industrial-grade boot memory requiring both performance and firmware integrity.
Availability
W25Q32JVTCIQ is available at Aetrix Electronics and suitable for industrial MCU boot memory, secure firmware storage, audio/video caching, and IoT edge node configuration requiring stable component supply across extended product lifecycles.
Supply support for W25Q32JVTCIQ 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 since 1987.
The W25Q series targets high-reliability embedded systems requiring fast, secure, and flexible code storage - optimized for XIP, OTA updates, and industrial temperature operation with robust data retention.
FAQ
What is the package type and pin count of W25Q32JVTCIQ?
W25Q32JVTCIQ uses an 8-pin Thin Shrink Small Outline Package (TSSOP) with 173-mil body width (package code TC). It is mechanically and electrically pin-compatible with standard SOIC-8 footprints but offers improved thermal performance and smaller PCB area. Pin assignments match the SOIC-150/208-mil variants described in the Winbond datasheet Revision G.
Does W25Q32JVTCIQ support hardware reset via /RESET pin?
No, W25Q32JVTCIQ does not include a dedicated /RESET pin. The /RESET function is only available on SOIC-16 (SF) and TFBGA (TB/TC) package variants of the W25Q32JV family. For W25Q32JVTCIQ, system-level reset must be implemented via software command sequence: Enable Reset (66h) followed by Reset Device (99h), which takes ~30 µs to complete.
How is Quad SPI mode enabled on W25Q32JVTCIQ?
Quad SPI mode on W25Q32JVTCIQ is enabled by setting the Quad Enable (QE) bit in Status Register-2 (SR2). This is done via Write Status Register-2 (31h) instruction. Once QE=1, pins /WP (pin 3) and /HOLD (pin 7) become IO2 and IO3 respectively, allowing full 4-line bidirectional communication using instructions like Fast Read Quad I/O (EBh).
What is the minimum erase unit size supported by W25Q32JVTCIQ?
The minimum erase unit size supported by W25Q32JVTCIQ is 4KB, implemented as uniform sectors. The device contains 1,024 such sectors. This granularity enables precise firmware partitioning - for example, isolating bootloader, application, and configuration data in separate erasable regions without affecting adjacent content.
Can W25Q32JVTCIQ be used for execute-in-place (XIP) applications?
Yes, W25Q32JVTCIQ is explicitly designed for XIP operation. Its Fast Read Quad I/O (EBh) and Fast Read Quad Output (6Bh) instructions deliver up to 66 MB/s sustained read throughput at 133 MHz, enabling direct code execution from flash on ARM Cortex-M and RISC-V MCUs without intermediate RAM loading - reducing boot time and memory footprint.
W25Q32JVTCIQ Specifications
- Product attributes
- Attribute value
- Manufacturer:
- Winbond Electronics Corporation
- Series:
- SpiFlash®
- Package/Case:
- 24-TBGA
- Packaging:
- Tray
- 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 ~ 85°C (TA)
- Grade:
- -
- Qualification:
- -
- Mounting Type:
- Surface Mount
- Supplier Device Package:
- 24-TFBGA (8x6)
W25Q32JVTCIQ FAQ
1.How can I place an order for W25Q32JVTCIQ through Aetrix?
Please submit a Request for Quotation (RFQ) for W25Q32JVTCIQ 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 W25Q32JVTCIQ reliable?
The price and inventory of W25Q32JVTCIQ are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for W25Q32JVTCIQ is usually 5 days.
3.What payment methods are accepted for W25Q32JVTCIQ?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for W25Q32JVTCIQ transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for W25Q32JVTCIQ?
W25Q32JVTCIQ orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your W25Q32JVTCIQ 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 W25Q32JVTCIQ?
For technical support, including W25Q32JVTCIQ datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your W25Q32JVTCIQ requirements.
6.How does Aetrix verify that W25Q32JVTCIQ is sourced from the original manufacturer or authorized distributors?
All W25Q32JVTCIQ 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 W25Q32JVTCIQ meets industry standards.
7.What is the process for return or replacement of W25Q32JVTCIQ?
All W25Q32JVTCIQ units undergo pre-shipment inspection (PSI). If there is an issue with W25Q32JVTCIQ, 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 W25Q32JVTCIQ part is unused and in its original packaging.
Return procedure for W25Q32JVTCIQ:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
W25Q32JVTCIQ Tags
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M24C02-WMN6TP
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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
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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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