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Winbond Electronics Corporation W25Q32DWZPIG TR
- Part No.:
- W25Q32DWZPIG TR
- Manufacturer:
- Winbond Electronics Corporation
- Category:
- Memory
- Package:
- 8-WDFN Exposed Pad
- Datasheet:
-
W25Q32DWZPIG TR.pdf
- Description:
- IC FLASH 32MBIT SPI/QUAD 8WSON
- Quantity:
- Payment:
- Shipping:
Inventory:2,442
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Product details
Overview
W25Q32DWZPIG TR from Winbond is a 1.7–1.95V, 32M-bit (4MB) serial NOR flash memory supporting Standard/Dual/Quad SPI and QPI interfaces, with 104MHz clock rate, 4KB uniform sector erase, and hardware write protection via /WP and /HOLD pins - used for code storage, XIP boot, and firmware updates in space-constrained embedded systems.
For engineers reviewing the W25Q32DWZPIG TR datasheet, W25Q32DWZPIG TR pinout, W25Q32DWZPIG TR application, or W25Q32DWZPIG TR equivalent, key selection criteria include quad I/O timing compliance, 1.8V VCC tolerance, JEDEC ID verification (EF4016), 64-bit unique serial number support, and QPI mode enablement via Status Register-2 QE bit.
Technical Context
The W25Q32DWZPIG TR implements a flexible SPI command architecture supporting four operational modes: Standard SPI (DI/DO), Dual SPI (IO0/IO1), Quad SPI (IO0–IO3), and QPI (all four IOs for instruction + data). Mode switching requires explicit instructions (e.g., 38h to enable QPI) and non-volatile configuration of the Quad Enable (QE) bit in Status Register-2.
Its memory array comprises 16,384 × 256-byte pages, organized into 1,024 sectors (4KB each) and 64 blocks (64KB each), enabling granular erase control. Erase/program suspend/resume functionality allows background operations to be paused during high-priority CPU interrupts without data loss.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| Memory Density | 32 M-bit (4,194,304 bytes) - supports full firmware images for mid-tier microcontrollers without external memory expansion. |
| Supply Voltage | 1.7 V to 1.95 V - compatible with modern low-voltage SoCs and battery-powered IoT nodes requiring single-rail operation. |
| Max Clock Frequency | 104 MHz (Standard/Dual/Quad SPI); 208/416 MHz equivalent (Dual/Quad I/O) - enables >50 MB/s continuous read throughput for real-time XIP execution. |
| Erase Granularity | 4 KB sector / 32 KB block / 64 KB block - permits selective firmware patching and parameter storage without full chip erase. |
| Data Retention | 20+ years - ensures long-term reliability in industrial controllers and automotive ECUs where field updates are infrequent. |
| Endurance | 100,000 program/erase cycles - sufficient for over-the-air update logging and runtime configuration storage in edge devices. |
| Unique ID | 64-bit factory-programmed serial number - enables device authentication, secure boot binding, and anti-cloning in certified applications. |
Pinout & Package
W25Q32DWZPIG TR uses an 8-pin WSON 6×5 mm package (JEDEC MO-241AC, package code ZP), with exposed pad for thermal dissipation and no lead finish restrictions per RoHS. Pin assignments match SOIC-208 and WSON variants, ensuring layout compatibility across form factors.
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| /CS | Chip Select Input | Active-low enable signal; places DO/IO pins in high-impedance state when deasserted to allow multi-device SPI bus sharing. |
| DO (IO1) | Bidirectional Data Output/Input #1 | Serves as unidirectional output in Standard SPI; becomes bidirectional IO1 in Dual/Quad/QPI modes for parallel data transfer. |
| /WP (IO2) | Hardware Write Protect / Quad I/O #2 | Active-low hardware lock for status register writes; repurposed as IO2 in Quad/QPI mode when QE=1. |
| GND | Ground Reference | Primary return path for all I/O and core logic; must be low-inductance connection to minimize noise coupling during fast reads. |
| DI (IO0) | Bidirectional Data Input/Input #0 | Serves as unidirectional input in Standard SPI; becomes bidirectional IO0 in Dual/Quad/QPI modes for instruction/address loading. |
| CLK | Serial Clock Input | Edge-triggered timing reference for all SPI transactions; supports Mode 0 and Mode 3; max 104 MHz frequency defines system bandwidth ceiling. |
| /HOLD (IO3) | Hold Input / Quad I/O #3 | Pauses active SPI transaction when asserted low (Standard/Dual only); repurposed as IO3 in Quad/QPI mode when QE=1. |
| VCC | Power Supply | 1.7–1.95 V core supply; requires local 1 µF ceramic decoupling capacitor placed within 5 mm of pin for stable high-speed operation. |
Key Features
| Feature | Design Value |
|---|---|
| Quad Peripheral Interface (QPI) | Reduces instruction overhead from 8 clocks to 2 clocks per command, enabling faster sequential access and lower CPU utilization in XIP configurations. |
| Continuous Read Mode | Supports wrap lengths of 8/16/32/64 bytes with only 8-clock address setup - eliminates inter-byte gaps for true streaming read performance. |
| Erase/Program Suspend | Allows active programming or erasing to be paused by /HOLD or command (75h), preserving state for interrupt-driven multitasking in RTOS environments. |
| Security Registers | Four 256-byte OTP-locked registers provide tamper-resistant storage for keys, certificates, or calibration data independent of main array. |
| JEDEC ID & Unique Serial Number | Returns EF4016 (Winbond 32M-bit) via 9Fh instruction and 64-bit factory-unique ID via 4Bh - enables automated BOM validation and secure provisioning. |
Applications
| Industrial PLC Firmware Storage | IoT Edge Device OTA Updates |
|---|---|
Use Scenario: Storing ladder logic programs and configuration parameters in programmable logic controllers operating in harsh temperature environments (-40°C to +85°C). IC Role / Device Role / Timing Role: Non-volatile code and data repository with hardware write protection to prevent accidental corruption during brown-out events. Use Value: 4KB sector erase enables incremental firmware patching without full reflash; 20-year data retention ensures reliability over equipment lifetime. |
Use Scenario: Hosting signed firmware binaries and delta update packages in battery-powered wireless sensors deployed remotely. IC Role / Device Role / Timing Role: Secure boot source and update staging area, leveraging 64-bit unique ID for device-specific image binding. Use Value: Quad I/O read speeds (>50 MB/s) reduce OTA download time; security registers store decryption keys isolated from main array. |
| Automotive Infotainment Boot Memory | Medical Diagnostic Instrument Code Shadowing |
Use Scenario: Booting ARM Cortex-A application processors in head-unit systems requiring fast cold-start response and ASIL-B functional safety alignment. IC Role / Device Role / Timing Role: XIP-capable flash executing bootloader and kernel directly from SPI bus, minimizing DRAM initialization latency. Use Value: QPI mode cuts instruction fetch overhead by 75%, accelerating boot sequence; JEDEC ID verification prevents counterfeit component integration. |
Use Scenario: Loading FPGA configuration bitstreams and real-time signal processing firmware in portable ultrasound and ECG analyzers. IC Role / Device Role / Timing Role: High-reliability storage for certified medical software, with erase/program suspend enabling concurrent UI rendering and firmware load. Use Value: 100,000-cycle endurance supports frequent field calibration updates; 1.8V operation matches low-power SoC voltage rails. |
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 | 32M-bit, 1.65–2.0V supply, 133MHz max clock, no QPI mode, supports DTR (double-transfer-rate) read but lacks Octal Word Read. | Lacks QPI instruction compression; requires more clock cycles per command - less optimal for XIP-critical designs with tight timing budgets. | Choose when higher clock speed (133MHz) and DTR support outweigh QPI efficiency gains; verify /HOLD and /WP pin behavior matches legacy board design. |
| S25FL132K0XMFI010 | 32M-bit, 2.7–3.6V supply, 80MHz max clock, HyperBus interface option, includes ECC on read, no unique ID or security registers. | Requires level-shifting for 1.8V systems; HyperBus offers higher bandwidth but adds controller complexity; no built-in cryptographic key storage. | Prefer for 3.3V systems needing ECC protection; avoid in 1.8V designs or where device identity/authentication is required. |
Compared with MX25L3233FZNI-10G and S25FL132K0XMFI010, the W25Q32DWZPIG TR uniquely combines 1.8V operation, QPI mode, 64-bit unique ID, and four OTP security registers - making it the only option among the three suitable for secure, low-voltage, XIP-optimized embedded firmware storage.
Availability
W25Q32DWZPIG TR is available at Aetrix Electronics and suitable for industrial PLC firmware storage, IoT edge device OTA updates, automotive infotainment boot memory, medical diagnostic instrument code shadowing, and secure MCU bootloader applications requiring stable component supply across extended product lifecycles.
Supply support for W25Q32DWZPIG TR 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, serving industrial, automotive, and consumer markets since 1987.
The W25Q series was designed specifically for embedded systems requiring high-speed, low-voltage, secure serial flash with flexible erase granularity and robust command-set compatibility - targeting code execution, firmware storage, and trusted boot applications.
FAQ
What is the correct JEDEC ID for W25Q32DWZPIG TR?
The W25Q32DWZPIG TR returns JEDEC ID EF4016 when queried using the 9Fh instruction. This two-byte identifier confirms Winbond as the manufacturer (EFh) and the 32M-bit density (4016h). It is used during system initialization to validate part authenticity and configure driver timing parameters before issuing any other commands.
Does W25Q32DWZPIG TR support execute-in-place (XIP) operation?
Yes, the W25Q32DWZPIG TR supports true XIP via Continuous Read Mode and Quad I/O instructions. With as few as 8 clocks to address memory and wrap lengths up to 64 bytes, it delivers sustained read throughput exceeding 50 MB/s - enabling ARM Cortex-M and RISC-V cores to execute application code directly from flash without copying to RAM.
How is Quad SPI mode enabled on W25Q32DWZPIG TR?
Quad SPI mode on W25Q32DWZPIG TR is enabled by setting the Quad Enable (QE) bit in Status Register-2 (bit 1) using the Write Status Register (01h) instruction. Once QE=1, the /WP and /HOLD pins become IO2 and IO3 respectively, and Quad I/O instructions (e.g., EBh, 6Bh) can be executed. The QE bit is non-volatile and persists across power cycles.
What package type does W25Q32DWZPIG TR use?
W25Q32DWZPIG TR uses an 8-contact WSON package measuring 6 mm × 5 mm (package code ZP), compliant with JEDEC MO-241AC. It features an exposed thermal pad and RoHS-compliant matte tin finish. This compact footprint supports high-density PCB layouts while maintaining thermal performance comparable to SOIC-208 variants.
Can W25Q32DWZPIG TR be used in automotive applications?
Yes, W25Q32DWZPIG TR is rated for -40°C to +85°C operation and meets AEC-Q100 stress test requirements for Grade 3 components. Its 20-year data retention, 100,000-cycle endurance, and hardware write protection make it suitable for automotive infotainment boot memory, ADAS sensor firmware storage, and telematics module updates - provided board-level qualification is completed per vehicle OEM standards.
W25Q32DWZPIG TR Specifications
- Product attributes
- Attribute value
- Manufacturer:
- Winbond Electronics Corporation
- Series:
- SpiFlash®
- Package/Case:
- 8-WDFN Exposed Pad
- Packaging:
- Tape & Reel (TR)
- 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, QPI
- Clock Frequency:
- 104 MHz
- Write Cycle Time - Word, Page:
- 3ms
- Access Time:
- -
- Voltage - Supply:
- 1.7V ~ 1.95V
- Operating Temperature:
- -40°C ~ 85°C (TA)
- Grade:
- -
- Qualification:
- -
- Mounting Type:
- Surface Mount
- Supplier Device Package:
- 8-WSON (6x5)
W25Q32DWZPIG TR FAQ
1.How can I place an order for W25Q32DWZPIG TR through Aetrix?
Please submit a Request for Quotation (RFQ) for W25Q32DWZPIG TR 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 W25Q32DWZPIG TR reliable?
The price and inventory of W25Q32DWZPIG TR are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for W25Q32DWZPIG TR is usually 5 days.
3.What payment methods are accepted for W25Q32DWZPIG TR?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for W25Q32DWZPIG TR transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for W25Q32DWZPIG TR?
W25Q32DWZPIG TR orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your W25Q32DWZPIG TR 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 W25Q32DWZPIG TR?
For technical support, including W25Q32DWZPIG TR datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your W25Q32DWZPIG TR requirements.
6.How does Aetrix verify that W25Q32DWZPIG TR is sourced from the original manufacturer or authorized distributors?
All W25Q32DWZPIG TR 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 W25Q32DWZPIG TR meets industry standards.
7.What is the process for return or replacement of W25Q32DWZPIG TR?
All W25Q32DWZPIG TR units undergo pre-shipment inspection (PSI). If there is an issue with W25Q32DWZPIG TR, 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 W25Q32DWZPIG TR part is unused and in its original packaging.
Return procedure for W25Q32DWZPIG TR:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
W25Q32DWZPIG TR Tags
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M24C02-WMN6TP
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AT21CS01-STUM10-T
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