My Inquiry
My Account
Winbond Electronics Corporation W25Q32JVSNIQ
- Part No.:
- W25Q32JVSNIQ
- Manufacturer:
- Winbond Electronics Corporation
- Category:
- Memory
- Package:
- 8-SOIC (0.154", 3.90mm Width)
- Datasheet:
-
W25Q32JVSNIQ.pdf
- Description:
- IC FLASH 32MBIT SPI/QUAD 8SOIC
- Quantity:
- Payment:
- Shipping:
Inventory:1,852
Please send an inquiry. Send us your inquiry, and we will respond immediately.
Product details
Overview
W25Q32JVSNIQ from Winbond is a 32M-bit (4MB) serial NOR flash memory IC supporting Dual/Quad SPI, QPI, and DTR read modes. It operates at 2.7–3.6V, delivers up to 133MHz SPI clock (532MHz equivalent Quad I/O), and features uniform 4KB sectors, 100K program-erase cycles, and hardware write protection via /WP and /HOLD pins. It is used for code execution in place (XIP), firmware storage, and parameter retention in embedded microcontrollers.
For engineers reviewing the W25Q32JVSNIQ datasheet, W25Q32JVSNIQ pinout, W25Q32JVSNIQ application, or W25Q32JVSNIQ equivalent, key selection considerations include its SOIC-8 208-mil (SS) package, Quad Enable (QE) bit dependency for IO2/IO3 functionality, continuous read mode with ≤8-clock address overhead, and support for JEDEC SFDP, 64-bit unique ID, and three 256-byte security registers.
Technical Context
The W25Q32JVSNIQ implements a flexible SPI-compatible interface with configurable operation modes: Standard SPI (DI/DO), Dual SPI (IO0/IO1), Quad SPI (IO0–IO3), and QPI (all four IOs as bidirectional). Its command set includes DTR Fast Read (0Dh/EDh), sector/block erase (20h/52h/D8h), and security register programming (42h/48h).
Internal architecture includes a 16,384-page × 256-byte array, page buffer for 1–256-byte writes, and status/configuration registers with volatile/non-volatile bits for block protection (BP2–BP0), top/bottom lock (TB), quad enable (QE), and driver strength (DRV1/DRV0). Erase suspend/resume (75h/7Ah) enables concurrent background operations.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| Memory Density | 32 M-bit (4 MB) 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; supports 266 MHz (Dual I/O) and 532 MHz (Quad I/O) effective throughput |
| Read Throughput | 66 MB/s continuous transfer rate using Fast Read Quad I/O (EBh) |
| Erase Endurance | 100,000 program-erase cycles per sector - suitable for frequent firmware updates |
| Data Retention | 20 years at +25°C - ensures long-term reliability in unpowered storage |
| Power-Down Current | 1 µA typical - enables ultra-low-power sleep states in battery-operated devices |
Pinout & Package
W25Q32JVSNIQ uses an 8-pin SOIC 208-mil (Package Code SS) surface-mount package with gull-wing leads and standard 1.27 mm pitch. Pin functions are defined per JEDEC MS-012, with /CS, CLK, DI (IO0), DO (IO1), /WP (IO2), /HOLD (IO3), GND, and VCC.
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| 1 /CS | Chip Select Input | Active-low enable: high = device deselected (high-Z outputs, standby current); low = active communication |
| 2 DO (IO1) | Data Output / Bidirectional I/O | Standard SPI output only; becomes bidirectional IO1 in Dual/Quad modes when QE=1 |
| 3 /WP (IO2) | Write Protect Input / Bidirectional I/O | Hardware lock for status register; repurposed as IO2 in Quad mode (QE=1) |
| 4 GND | Ground Reference | Primary return path for all I/O and core logic; requires low-impedance PCB connection |
| 5 DI (IO0) | Data Input / Bidirectional I/O | Standard SPI input only; becomes bidirectional IO0 in Dual/Quad modes when QE=1 |
| 6 CLK | Serial Clock Input | Synchronous timing reference for all SPI/QPI transfers; supports Mode 0 and Mode 3 |
| 7 /HOLD (IO3) | Hold Input / Bidirectional I/O | Pauses ongoing read/write without deselecting; repurposed as IO3 in Quad mode (QE=1) |
| 8 VCC | Power Supply | Single 2.7–3.6 V supply; decoupling capacitor required near pin for noise immunity |
Key Features
| Feature | Design Value |
|---|---|
| Quad Peripheral Interface (QPI) | Reduces instruction overhead by encoding commands in 4-bit nibbles, enabling true XIP with minimal CPU intervention |
| Continuous Read Mode | Supports 8/16/32/64-byte wrap with only 8 clocks to address memory - cuts latency vs. standard SPI reads |
| Erase/Program Suspend | Allows pausing active erase or program operations to service urgent reads - critical for real-time firmware updates |
| Security Registers | Three 256-byte OTP-lockable registers for keys, certificates, or calibration data - isolated from main array |
| SFDP Register Support | JEDEC JESD216-compliant flash parameter table - enables automatic configuration by host bootloader |
Applications
| Industrial PLC Firmware Storage | Automotive Infotainment Boot Memory |
|---|---|
Use Scenario: Storing boot loader and application firmware in programmable logic controllers with field-upgrade capability. IC Role / Device Role / Timing Role: Non-volatile code storage with XIP support, enabling direct execution from flash without RAM copy. Use Value: 4KB uniform sectors allow granular firmware patching; 100K endurance supports >10 years of over-the-air updates. | Use Scenario: Holding boot code and OS kernel for head-unit microprocessors in automotive infotainment systems. IC Role / Device Role / Timing Role: Primary boot memory accessed via Quad SPI at ≥66 MB/s to meet ASIL-B boot time requirements. Use Value: DTR Fast Read (EDh) and QPI reduce boot latency; 64-bit unique ID enables secure device authentication. |
| Medical Device Parameter Retention | IoT Edge Node Configuration Storage |
Use Scenario: Saving calibrated sensor offsets, user preferences, and audit logs in portable diagnostic equipment. IC Role / Device Role / Timing Role: Parameter storage with hardware write protection (/WP pin) and sector-level locking to prevent accidental overwrite. Use Value: Top/bottom block protect (TB bit) and individual sector lock (36h) ensure regulatory-compliant data integrity. | Use Scenario: Storing network credentials, OTA update manifests, and device-specific keys in battery-powered smart sensors. IC Role / Device Role / Timing Role: Secure configuration vault leveraging three 256-byte security registers with OTP locks. Use Value: SFDP register auto-configures host SPI controller; 1 µA power-down current extends 10-year battery life. |
Equivalent & Alternatives
The following parts are listed as comparable options for similar serial NOR flash applications.
| Alternative Part | Technical Difference | Application Difference | Selection Advice |
|---|---|---|---|
| MX25L3233FZNI-10G | 32 M-bit, 104 MHz max clock, no DTR support, lacks SFDP and unique ID | Lower throughput; not suitable for XIP-critical or secure-boot designs requiring DTR or device identity | Select when cost sensitivity outweighs performance/security needs and host does not require SFDP auto-configuration |
| S25FL132K0XMFI010 | 32 M-bit, 80 MHz max clock, supports Octal DTR but requires different command set and pinout (16-pin SOIC) | Requires PCB redesign; incompatible with W25Q32JVSNIQ's 8-pin footprint and instruction flow | Choose only if migrating to Cypress/Infineon ecosystem and board revision allows 16-pin layout change |
Compared with MX25L3233FZNI-10G and S25FL132K0XMFI010, W25Q32JVSNIQ delivers higher bandwidth (133 MHz vs. 104/80 MHz), integrated security features (unique ID, security registers), and drop-in compatibility with existing 8-pin SOIC-208 designs - making it optimal for next-gen embedded systems requiring speed, security, and footprint continuity.
Availability
W25Q32JVSNIQ is available at Aetrix Electronics and suitable for industrial control, automotive infotainment, medical diagnostics, and IoT edge node applications requiring stable component supply, long-lifecycle support, and guaranteed traceability.
Supply support for W25Q32JVSNIQ 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 targets embedded systems needing high-speed, secure, and space-constrained non-volatile storage - designed specifically for code shadowing, XIP execution, and firmware update resilience in resource-limited environments.
FAQ
What is the package type and lead count of W25Q32JVSNIQ?
W25Q32JVSNIQ uses an 8-pin SOIC package with 208-mil body width (Package Code SS). It has gull-wing leads, 1.27 mm pitch, and complies with JEDEC MS-012. This package is pin-compatible with other W25Q32JV variants in SOIC-208 format and supports reflow soldering per J-STD-020.
Does W25Q32JVSNIQ support Quad SPI mode, and what is required to enable it?
Yes, W25Q32JVSNIQ supports Quad SPI mode. To enable it, the Quad Enable (QE) bit in Status Register-2 must be set to '1' using the Write Status Register-2 (31h) instruction. Once enabled, pins /WP and /HOLD become IO2 and IO3 respectively, allowing full 4-line bidirectional data transfer.
What is the maximum data transfer rate achievable with W25Q32JVSNIQ in Quad I/O mode?
W25Q32JVSNIQ achieves up to 532 MHz effective data rate in Quad I/O mode using Fast Read Quad I/O (EBh) or DTR Fast Read Quad I/O (EDh) instructions at 133 MHz clock frequency. This translates to a sustained 66 MB/s continuous read throughput, verified under AC Electrical Characteristics section of the datasheet.
How many program-erase cycles does W25Q32JVSNIQ guarantee per sector?
W25Q32JVSNIQ guarantees a minimum of 100,000 program-erase cycles per 4KB sector. This endurance rating is specified under Electrical Characteristics (Section 9.6) and validated across the full operating temperature range (-40°C to +85°C), ensuring reliability for frequent firmware updates.
Does W25Q32JVSNIQ include hardware security features beyond write protection?
Yes, W25Q32JVSNIQ includes multiple hardware security features: three 256-byte one-time-programmable (OTP) security registers, a 64-bit unique serial number per device, JEDEC SFDP register for secure parameter discovery, and individual sector/block lock/unlock commands (36h/39h/7Eh/98h) - all implemented in silicon without software dependency.
W25Q32JVSNIQ Specifications
- Product attributes
- Attribute value
- Manufacturer:
- Winbond Electronics Corporation
- Series:
- SpiFlash®
- Package/Case:
- 8-SOIC (0.154", 3.90mm Width)
- 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:
- 6 ns
- Voltage - Supply:
- 2.7V ~ 3.6V
- Operating Temperature:
- -40°C ~ 85°C (TA)
- Grade:
- -
- Qualification:
- -
- Mounting Type:
- Surface Mount
- Supplier Device Package:
- 8-SOIC
W25Q32JVSNIQ FAQ
1.How can I place an order for W25Q32JVSNIQ through Aetrix?
Please submit a Request for Quotation (RFQ) for W25Q32JVSNIQ 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 W25Q32JVSNIQ reliable?
The price and inventory of W25Q32JVSNIQ are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for W25Q32JVSNIQ is usually 5 days.
3.What payment methods are accepted for W25Q32JVSNIQ?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for W25Q32JVSNIQ transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for W25Q32JVSNIQ?
W25Q32JVSNIQ orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your W25Q32JVSNIQ 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 W25Q32JVSNIQ?
For technical support, including W25Q32JVSNIQ datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your W25Q32JVSNIQ requirements.
6.How does Aetrix verify that W25Q32JVSNIQ is sourced from the original manufacturer or authorized distributors?
All W25Q32JVSNIQ 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 W25Q32JVSNIQ meets industry standards.
7.What is the process for return or replacement of W25Q32JVSNIQ?
All W25Q32JVSNIQ units undergo pre-shipment inspection (PSI). If there is an issue with W25Q32JVSNIQ, 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 W25Q32JVSNIQ part is unused and in its original packaging.
Return procedure for W25Q32JVSNIQ:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
W25Q32JVSNIQ Tags
-
M24C02-WMN6TP
STMicroelectronics
-
AT24C02C-XHM-T
Microchip Technology
-
AT21CS01-STUM10-T
Microchip Technology
-
AT24C02C-SSHM-T
Microchip Technology
-
24LC01BT-I/OT
Microchip Technology
-
M24C02-FMC6TG
STMicroelectronics
-
AT24CS02-SSHM-T
Microchip Technology
-
93LC46BT-I/OT
Microchip Technology
-
AT24C04C-SSHM-T
Microchip Technology
-
24LC01BT-I/SN
Microchip Technology
-
24AA02UIDT-I/OT
Microchip Technology
-
AT24C08C-STUM-T
Microchip Technology
Tech Hub
Counterfeit components can hide behind convincing markings and passing basic function tests. This engineering reference covers source traceability, external inspection, X-ray, XRF, electrical testing, …
A practical engineering and sourcing framework covering lifecycle verification, lifetime-buy calculations, replacement qualification, supplier checks and counterfeit-risk controls.
TTL and CMOS logic families differ in thresholds, loading, output drive, power and timing. This engineering guide compares 74HC and 74HCT, calculates noise margins and checks 3.3 V/5 V compatibility.
A practical engineering guide to 3.3V and 5V logic compatibility, input thresholds, resistor dividers, translator ICs, MOSFET level shifting, I2C pull-ups, timing limits and power-sequencing risks.
The 74HC595 uses push-pull logic outputs, while the TPIC6B595 uses 50 V open-drain DMOS sinks for higher-power loads. This guide compares timing, current limits, 3.3 V interfacing, load wiring, thermal…
The 74HC595 converts serial data into eight stable parallel outputs. This guide covers pin functions, shift and storage timing, OE and MR behavior, drive-current limits, cascading, voltage compatibilit…
A technical comparison of level-sensitive latches and edge-triggered flip-flops, covering timing windows, setup and hold limits, master–slave operation, time borrowing, race-through, HDL inference and…
A D latch stores one bit while Enable controls when data can pass. This reference covers gate-level operation, truth tables, transparency, setup and hold timing, LE versus OE, common ICs and practical …
An SR latch stores one bit through cross-coupled feedback. This engineering reference covers NOR and NAND implementations, truth tables, forbidden-state recovery, gated operation, switch debouncing, fa…
Latch circuits retain one bit through feedback. This technical reference covers SR and D latches, truth tables, transparency, timing limits, latch-versus-flip-flop behavior, applications and common log…
