My Inquiry
My Account
Winbond Electronics Corporation W25Q32BVSFJP
- Part No.:
- W25Q32BVSFJP
- Manufacturer:
- Winbond Electronics Corporation
- Category:
- Memory
- Package:
- 16-SOIC (0.295", 7.50mm Width)
- Datasheet:
-
W25Q32BVSFJP.pdf
- Description:
- IC FLASH 32MBIT SPI/QUAD 16SOIC
- Quantity:
- Payment:
- Shipping:
Inventory:1,560
Please send an inquiry. Send us your inquiry, and we will respond immediately.
Product details
Overview
W25Q32BVSFJP from Winbond is a 32M-bit (4MB) serial NOR flash memory IC supporting standard, dual, and quad SPI interfaces with 104 MHz dual/80 MHz quad clock rates, 4KB uniform sector architecture, and XIP-capable continuous read mode - deployed in embedded boot code storage, firmware update partitions, and parameter retention in industrial controllers.
For engineers reviewing the W25Q32BVSFJP datasheet, W25Q32BVSFJP pinout, W25Q32BVSFJP application, or W25Q32BVSFJP equivalent, key selection considerations include quad I/O enable (QE bit), 4KB sector erase granularity, hardware write protection via /WP and /HOLD pins, and compatibility with JEDEC-standard SFDP and Unique ID registers.
Technical Context
The W25Q32BVSFJP implements a SPI command set compliant with Mode 0 and Mode 3 clock polarity/idle states, supports instruction-based dual/quad I/O operation requiring QE bit (SR-2 bit 1) to be set, and uses bidirectional IO0–IO3 pins under quad mode where /WP and /HOLD become IO2/IO3 respectively. It features a 256-byte page buffer and supports suspend/resume during erase/program cycles.
Its architecture includes three 256-byte security registers with OTP locks, a 64-bit unique serial number, and an SFDP register for discoverable timing and feature parameters. Erase granularity spans 4KB sectors (1,024 total), 32KB blocks (128), and 64KB blocks (64), with chip erase enabled via C7h/60h instructions.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| Memory Density | 32 M-bit (4,194,304 bytes), organized as 16,384 × 256-byte pages |
| SPI Interface Modes | Standard (DI/DO), Dual (IO0/IO1), Quad (IO0–IO3); QE bit required for quad I/O |
| Max Clock Frequency | 104 MHz for dual I/O, 80 MHz for quad I/O; enables 208 MB/s dual and 320 MB/s quad effective throughput |
| Erase Granularity | 4KB sector (1,024 units), 32KB block (128), 64KB block (64), full chip - enabling fine-grained firmware partitioning |
| Write/Erase Endurance | 100,000 program/erase cycles per sector, with >20-year data retention at +25°C |
| Supply & Power | Single 2.7–3.6 V supply; 4 mA active current typical, <1 µA power-down current |
| Operating Temperature | –40°C to +85°C industrial grade range, validated across full voltage and timing margins |
Pinout & Package
W25Q32BVSFJP is packaged in 16-pin SOIC 300-mil (package code SF), with 8 active signal pins and 8 no-connect (NC) terminals. Pin functions are defined per SOIC 300-mil configuration and differ from 8-pin variants due to expanded pin count for compatibility and layout flexibility.
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| 1 | /HOLD (IO3) | Active-low hold input; becomes IO3 in quad SPI mode when QE=1; pauses ongoing transfers without deselecting device |
| 2 | VCC | Main power supply (2.7–3.6 V); decoupling capacitor placement critical for stable high-speed SPI operation |
| 7 | /CS | Chip select input; must transition high→low after power-up before accepting commands; controls DO high-impedance state |
| 8 | DO (IO1) | Data output in standard/dual SPI; becomes IO1 in dual/quad modes; used for status reads and Fast Read instructions |
| 9 | /WP (IO2) | Hardware write protect input; becomes IO2 in quad SPI when QE=1; enables sector-level lock with BP/TB bits |
| 10 | GND | Signal ground reference; requires low-inductance connection to minimize SPI noise and timing jitter |
| 15 | DI (IO0) | Data input in standard/dual SPI; becomes IO0 in all SPI modes; carries instructions, addresses, and program data |
| 16 | CLK | Serial clock input; edge-triggered (rising for input, falling for output); supports up to 104 MHz with controlled slew rate |
Key Features
| Feature | Design Value |
|---|---|
| Quad SPI with QE control | Enables 4-line bidirectional data transfer (IO0–IO3) only when Status Register-2 QE bit = 1 - prevents accidental mode change |
| Continuous Read Mode | Reduces instruction overhead to ≤8 clocks per 24-bit address; supports wrap lengths of 8/16/32/64 bytes for true XIP execution |
| Uniform 4KB sector erase | Allows independent firmware image, config, and log partitions without cross-sector interference or wasted space |
| Security registers & Unique ID | Three 256-byte OTP-lockable security registers plus 64-bit factory-programmed unique serial number for secure boot binding |
| JEDEC SFDP support | Standardized flash parameter table (read via 5Ah) provides auto-configurable timing, voltage, and feature flags for host drivers |
Applications
| Industrial PLC Firmware Storage | Automotive ECU Boot Code |
|---|---|
|
Use Scenario: Storing boot loader and safety-critical application firmware in programmable logic controllers with field-upgrade capability. IC Role / Device Role / Timing Role: Non-volatile code storage with deterministic 4KB sector erase for atomic firmware updates and rollback recovery. Use Value: Enables verified dual-bank firmware switching using 4KB-aligned sectors, reducing update failure risk and eliminating external EEPROM dependency. |
Use Scenario: Holding certified boot code and calibration data in automotive engine control units operating across extended temperature ranges. IC Role / Device Role / Timing Role: AEC-Q100-qualified (via Winbond qualification) serial flash providing secure, high-reliability storage for ASIL-B software components. Use Value: Leverages hardware write protection (/WP pin + BP bits) and 20-year data retention to meet automotive functional safety requirements. |
| IoT Edge Device Parameter Retention | Medical Diagnostic Instrument Configuration |
|
Use Scenario: Preserving network credentials, sensor calibration offsets, and user preferences in battery-powered wireless sensors. IC Role / Device Role / Timing Role: Low-power (1 µA deep sleep) non-volatile storage with fast 256-byte page writes for infrequent but critical parameter updates. Use Value: Achieves >10-year battery life in coin-cell-powered devices by minimizing active current and supporting efficient partial-page programming. |
Use Scenario: Storing FDA-regulated device configuration profiles, self-test logs, and audit trails in portable ultrasound and imaging equipment. IC Role / Device Role / Timing Role: Secure, traceable memory with 64-bit unique ID and SFDP-defined timing for regulatory-compliant firmware validation. Use Value: Supports cryptographic binding of firmware images to hardware identity, satisfying IEC 62304 traceability and revision control mandates. |
Equivalent & Alternatives
The following parts are listed as comparable options for similar serial NOR flash applications.
| Alternative Part | Technical Difference | Application Difference | Selection Advice |
|---|---|---|---|
| Winbond W25Q32JVSFIP | Same density and pinout, but newer generation with enhanced reliability (1M erase cycles), improved SFDP v1.6, and extended -40°C to +105°C temp range | Required for new designs targeting AEC-Q100 Grade 2 or extended industrial environments | Select W25Q32JVSFIP for new designs needing higher endurance or wider temperature margin; W25Q32BVSFJP remains valid for legacy cost-sensitive deployments. |
| Micron MT25QL32ABA8E12-0SIT | 32Mb density, 8-pin SOIC package, supports x1/x2/x4 SPI, but lacks /HOLD pin and uses different QE activation sequence (SR-1 bit 6) | Not drop-in compatible due to missing /HOLD and differing status register map; requires firmware SPI driver modification | Consider MT25QL32ABA8E12-0SIT only if redesigning PCB and SPI stack; avoid for pin-compatible replacement of W25Q32BVSFJP. |
Compared with W25Q32JVSFIP, W25Q32BVSFJP offers proven industrial stability but lower endurance and narrower temperature range; versus MT25QL32ABA8E12-0SIT, it provides full pin and command compatibility including /HOLD support, making it suitable for direct replacement in existing Winbond-based designs.
Availability
W25Q32BVSFJP is available at Aetrix Electronics and suitable for industrial PLCs, automotive ECUs, IoT edge nodes, and medical diagnostic instruments requiring stable component supply across multi-year production cycles.
Supply support for W25Q32BVSFJP 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 serial flash, RAM, and mobile DRAM, serving industrial, automotive, and consumer markets since 1987.
The W25Q32BVSFJP belongs to Winbond's W25QxxBV family of high-performance serial NOR flash devices, designed specifically for code execution (XIP), firmware storage, and secure parameter retention in resource-constrained embedded systems.
FAQ
What is the package type and pin count of W25Q32BVSFJP?
W25Q32BVSFJP uses a 16-pin SOIC 300-mil package (package code SF) with 8 active signal pins (/CS, CLK, DI, DO, /WP, /HOLD, VCC, GND) and 8 no-connect (NC) terminals. This differs from 8-pin variants like SS or ZP, offering layout flexibility while maintaining full electrical compatibility with the W25Q32BV series command set and timing.
Does W25Q32BVSFJP support Quad SPI mode, and how is it enabled?
Yes, W25Q32BVSFJP supports Quad SPI mode using IO0–IO3 pins, but it requires setting the Quad Enable (QE) bit in Status Register-2 (bit 1) via Write Status Register (01h) instruction. Once enabled, /WP and /HOLD pins become IO2 and IO3 respectively; this configuration is non-volatile and persists across power cycles unless explicitly cleared.
What erase block sizes does W25Q32BVSFJP support, and why does that matter?
W25Q32BVSFJP supports 4KB sector, 32KB block, 64KB block, and full-chip erase operations. The 4KB uniform sector size enables precise firmware partitioning - for example, isolating bootloader, application, and configuration data - minimizing update time and avoiding corruption of unrelated regions during field upgrades.
How does the /HOLD pin function on W25Q32BVSFJP, and is it available in Quad SPI mode?
The /HOLD pin on W25Q32BVSFJP pauses ongoing SPI transfers while /CS remains low, preserving internal state for bus arbitration. However, in Quad SPI mode (QE=1), /HOLD is reassigned as IO3 and cannot be used for hold functionality - designers must rely on /CS deassertion or suspend/resume commands instead.
Is W25Q32BVSFJP compatible with JEDEC-standard SFDP and Unique ID features?
Yes, W25Q32BVSFJP implements JEDEC JESD216 SFDP v1.5 and provides a factory-programmed 64-bit Unique ID (read via 4Bh instruction). These features allow automatic host driver configuration and hardware-unique identification for secure boot, anti-cloning, and firmware binding - both confirmed in the official Winbond datasheet revision I.
W25Q32BVSFJP Specifications
- Product attributes
- Attribute value
- Manufacturer:
- Winbond Electronics Corporation
- Series:
- SpiFlash®
- Package/Case:
- 16-SOIC (0.295", 7.50mm Width)
- Packaging:
- Tube
- 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 FAQ
1.How can I place an order for W25Q32BVSFJP through Aetrix?
Please submit a Request for Quotation (RFQ) for W25Q32BVSFJP 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 reliable?
The price and inventory of W25Q32BVSFJP are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for W25Q32BVSFJP is usually 5 days.
3.What payment methods are accepted for W25Q32BVSFJP?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for W25Q32BVSFJP transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for W25Q32BVSFJP?
W25Q32BVSFJP orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your W25Q32BVSFJP 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?
For technical support, including W25Q32BVSFJP datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your W25Q32BVSFJP requirements.
6.How does Aetrix verify that W25Q32BVSFJP is sourced from the original manufacturer or authorized distributors?
All W25Q32BVSFJP 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 meets industry standards.
7.What is the process for return or replacement of W25Q32BVSFJP?
All W25Q32BVSFJP units undergo pre-shipment inspection (PSI). If there is an issue with W25Q32BVSFJP, 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 part is unused and in its original packaging.
Return procedure for W25Q32BVSFJP:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
W25Q32BVSFJP 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…
