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Winbond Electronics Corporation W25Q32JWSNIM TR
- Part No.:
- W25Q32JWSNIM TR
- Manufacturer:
- Winbond Electronics Corporation
- Category:
- Memory
- Package:
- 8-SOIC (0.154", 3.90mm Width)
- Datasheet:
-
W25Q32JWSNIM TR.pdf
- Description:
- IC FLASH 32MBIT SPI/QUAD 8SOIC
- Quantity:
- Payment:
- Shipping:
Inventory:1,990
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Product details
Overview
W25Q32JWSNIM TR from Winbond is a 1.8V, 32M-bit (4MB) serial NOR flash memory with Dual/Quad SPI, QPI, and DTR interfaces, supporting up to 133MHz Quad I/O clocking for 532Mbps effective throughput. It features uniform 4KB sectors, 32KB/64KB blocks, 100K program-erase cycles, and 20-year data retention. Used in embedded boot code storage, firmware updates, and XIP-capable microcontroller systems.
For engineers reviewing the W25Q32JWSNIM TR datasheet, W25Q32JWSNIM TR pinout, W25Q32JWSNIM TR application, or W25Q32JWSNIM TR equivalent, key selection considerations include 1.7–1.95V supply compatibility, /CS-controlled active power management, quad I/O mode dependency on Status Register-2 QE bit, and hardware write protection via /WP and /HOLD pins in standard/Dual SPI configurations.
Technical Context
The W25Q32JWSNIM TR implements a flexible SPI command architecture supporting Standard (Mode 0/3), Dual, Quad, and QPI protocols - with Quad I/O requiring non-volatile QE bit (SR2[1]) set. Its internal block diagram integrates a 256-byte page buffer, sector/block erase logic, SFDP register, and three 256-byte security registers with OTP locks.
It supports DTR (Double Transfer Rate) read modes (0Dh/EDh) for doubled data rate per clock edge, and includes dual-function pins (/HOLD or /RESET on IO3 depending on QE state and package). The device uses volatile/non-volatile status register bits (BP2–BP0, TB, SEC, CMP, SRP, DRV0/DRV1, HOLD/RST) to configure protection, drive strength, and pin functionality.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| Memory Density | 32 M-bit (4 MB) organized as 16,384 × 256-byte pages |
| Supply Voltage | 1.7 V to 1.95 V - enables low-power operation in battery-backed or energy-constrained systems |
| Max Clock Frequency | 133 MHz Quad I/O - delivers 532 Mbps effective bandwidth using 4-bit parallel data transfer per cycle |
| Erase Granularity | Uniform 4 KB sectors, 32 KB blocks, 64 KB blocks - allows fine-grained firmware partitioning and OTA update flexibility |
| Endurance & Retention | 100,000 program/erase cycles; >20 years data retention at +25°C - suitable for field-upgradable embedded storage |
| Interface Modes | Standard SPI, Dual SPI, Quad SPI, QPI, and DTR Read - supports legacy SPI controllers and high-speed XIP implementations |
| Security Features | 64-bit unique ID, SFDP register, three 256-byte OTP-lockable security registers, and configurable array protection (top/bottom/complement/individual sector) |
Pinout & Package
W25Q32JWSNIM TR uses an 8-pin SOIC 208-mil (Package Code SS) with exposed pad not present; pin functions are identical across SOIC/VSOP/WSON/XSON/USON 8-pin variants per datasheet Section 3.3.
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| 1 /CS | Chip Select Input | Active-low enable: drives DO/IOx to high-Z when high; required low-to-high transition after power-up before instruction acceptance |
| 2 DO (IO1) | Data Output / Bidirectional I/O | Unidirectional output in Standard SPI; bidirectional IO1 in Dual/Quad SPI; requires QE=0 for /HOLD function in 8-pin packages |
| 3 /WP (IO2) | Write Protect Input / Bidirectional I/O | Hardware lock for status register writes; repurposed as IO2 when QE=1 - disables /WP functionality in Quad mode |
| 4 GND | Ground Reference | Primary return path for VCC and all I/O signals; must be low-impedance for stable timing and noise immunity |
| 5 DI (IO0) | Data Input / Bidirectional I/O | Unidirectional input in Standard SPI; bidirectional IO0 in Dual/Quad SPI; used for instruction/address/data loading on CLK rising edge |
| 6 CLK | Serial Clock Input | Synchronous timing reference for all SPI operations; supports Mode 0 (CPOL=0, CPHA=0) and Mode 3 (CPOL=1, CPHA=1) |
| 7 /HOLD or /RESET (IO3) | Hold Input or Reset Input / Bidirectional I/O | Pauses ongoing transfers when low (active); becomes dedicated /RESET only in TFBGA; disabled as /HOLD when QE=1 in 8-pin packages |
| 8 VCC | Power Supply | 1.7–1.95 V core supply; internal LDO regulates voltage for memory array and logic; <0.1 µA typical standby current |
Key Features
| Feature | Design Value |
|---|---|
| Quad Peripheral Interface (QPI) | Reduces instruction overhead by encoding commands and addresses in 4-bit nibbles - enables true XIP with minimal CPU intervention |
| Erase/Program Suspend & Resume | Allows background execution of time-critical tasks while flash operations are paused - critical for real-time firmware update handlers |
| Configurable Drive Strength (DRV1/DRV0) | Adjusts output driver strength in Status Register-2 to optimize signal integrity across varying trace lengths and load capacitances |
| Continuous Read with Wrap | Eliminates address counter reset overhead: 8/16/32/64-byte wrap modes reduce latency during sequential burst reads (e.g., boot code fetch) |
| JEDEC SFDP Register | Provides standardized, discoverable parameter table - enables automatic configuration by host bootloader without hard-coded timing values |
Applications
| Industrial PLC Firmware Storage | Automotive Infotainment Boot Memory |
|---|---|
|
Use Scenario: Storing and executing boot loader and real-time control firmware in programmable logic controllers with extended temperature requirements. IC Role / Device Role / Timing Role: Primary non-volatile boot memory providing XIP-capable instruction fetch via Quad SPI at ≤133MHz to meet deterministic startup timing. Use Value: 4KB sector granularity enables atomic firmware patching without erasing full application image; 100K endurance supports frequent field updates over 10+ year service life. |
Use Scenario: Hosting boot code and UI assets for head-unit microcontrollers operating in -40°C to +85°C automotive environments. IC Role / Device Role / Timing Role: High-reliability serial flash delivering secure, fast-read access to signed firmware images using DTR Fast Read (0Dh) for sub-100ms cold boot. Use Value: 64-bit unique ID and OTP-locked security registers support cryptographic key binding and anti-cloning; SFDP auto-configuration simplifies qualification across ECUs. |
| IoT Edge Device OTA Storage | Medical Diagnostic Instrument Code Shadowing |
|
Use Scenario: Storing encrypted firmware images and configuration parameters in battery-powered wireless sensors with constrained PCB area. IC Role / Device Role / Timing Role: Low-voltage (1.7–1.95V), ultra-low-power (≤0.1µA) flash enabling multi-year operation on coin-cell batteries during deep sleep. Use Value: Hardware /WP and top/bottom block protection prevent accidental overwrite during OTA; individual sector lock secures calibration data against remote exploits. |
Use Scenario: Loading DSP algorithms and imaging libraries into RAM at system power-on for ultrasound and MRI subsystems. IC Role / Device Role / Timing Role: High-bandwidth (66MB/s continuous) serial flash replacing parallel NOR to reduce pin count and EMI in safety-critical signal processing paths. Use Value: Uniform 4KB sectors allow safe in-field algorithm upgrades without disrupting live acquisition; 20-year data retention ensures long-term regulatory compliance. |
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 | 32Mb, 1.65–2.0V, max 104MHz Quad SPI, no DTR or QPI support, 100K cycles | Lacks DTR/QPI - limits XIP performance and bandwidth scalability; simpler command set reduces firmware complexity | Choose when legacy SPI controller lacks DTR/QPI support and 104MHz bandwidth suffices for boot latency targets. |
| S25FL132K0XMFI013 | 32Mb, 2.7–3.6V, max 80MHz Quad SPI, HyperBus interface option, 100K cycles, no DTR | Higher VCC range incompatible with 1.8V systems; HyperBus adds pin count and layout complexity vs SPI-only W25Q32JWSNIM TR | Select only if existing platform uses Cypress HyperFlash ecosystem and voltage rails support 3.0V operation. |
Compared with MX25L3233FZNI-10G and S25FL132K0XMFI013, the W25Q32JWSNIM TR uniquely combines 1.8V operation, 133MHz Quad I/O, DTR read capability, and QPI mode - enabling higher bandwidth, lower power, and more flexible host interface options in space-constrained designs.
Availability
W25Q32JWSNIM TR is available at Aetrix Electronics and suitable for industrial automation, automotive infotainment, and medical diagnostic equipment requiring stable component supply, long-term lifecycle assurance, and RoHS-compliant packaging.
Supply support for W25Q32JWSNIM 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 DRAM, mobile DRAM, and serial flash memory solutions since 1987.
The W25Q series targets embedded systems requiring high-speed, low-voltage, secure serial NOR flash for boot code, firmware, and parameter storage - emphasizing XIP capability, endurance, and JEDEC-standardized configurability.
FAQ
What is the operating voltage range for W25Q32JWSNIM TR?
The W25Q32JWSNIM TR operates from 1.7 V to 1.95 V. This narrow 1.8V nominal range enables ultra-low power consumption (≤0.1 µA in power-down) and compatibility with modern low-voltage microcontrollers and SoCs. Operation outside this range may cause functional failure or reduced endurance, and is not guaranteed by Winbond's specifications.
Does W25Q32JWSNIM TR support execute-in-place (XIP) operation?
Yes, the W25Q32JWSNIM TR supports true XIP via Quad SPI and QPI modes, enabled by fast continuous read with wrap and low-latency instruction decoding. When configured with QE=1 and using Fast Read Quad I/O (EBh) or DTR Quad I/O (EDh), it delivers deterministic timing for direct CPU instruction fetch without intermediate RAM buffering.
How does the /WP pin behave in Quad SPI mode on W25Q32JWSNIM TR?
In Quad SPI mode (QE=1), the /WP pin on W25Q32JWSNIM TR is reassigned as IO2 and loses its hardware write-protect function. Block-level protection must then rely solely on non-volatile status register bits (BP2–BP0, TB, SEC) and software-controlled locking - requiring explicit firmware initialization before first use.
What package type does W25Q32JWSNIM TR use?
W25Q32JWSNIM TR uses an 8-pin SOIC 208-mil package (Package Code SS), with standard gull-wing leads, 1.27 mm pitch, and no thermal pad. Pinout matches SOIC/VSOP/WSON variants per datasheet Figure 1a and Section 3.3, ensuring drop-in compatibility across footprint families.
Can W25Q32JWSNIM TR be reset using the /HOLD pin?
No - the /HOLD pin on W25Q32JWSNIM TR is strictly a suspend/resume control and cannot perform reset. Hardware reset requires either the dedicated /RESET ball in TFBGA packages or software reset via 66h+99h instructions. In 8-pin SOIC, /HOLD and /RESET share IO3 but are mutually exclusive based on QE and status register settings.
W25Q32JWSNIM TR Specifications
- Product attributes
- Attribute value
- Manufacturer:
- Winbond Electronics Corporation
- Series:
- SpiFlash®
- Package/Case:
- 8-SOIC (0.154", 3.90mm Width)
- Packaging:
- Tape & Reel (TR)
- 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, QPI, DTR
- Clock Frequency:
- 133 MHz
- Write Cycle Time - Word, Page:
- 5ms
- Access Time:
- 6 ns
- Voltage - Supply:
- 1.7V ~ 1.95V
- Operating Temperature:
- -40°C ~ 85°C (TA)
- Grade:
- -
- Qualification:
- -
- Mounting Type:
- Surface Mount
- Supplier Device Package:
- 8-SOIC
W25Q32JWSNIM TR FAQ
1.How can I place an order for W25Q32JWSNIM TR through Aetrix?
Please submit a Request for Quotation (RFQ) for W25Q32JWSNIM 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 W25Q32JWSNIM TR reliable?
The price and inventory of W25Q32JWSNIM TR are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for W25Q32JWSNIM TR is usually 5 days.
3.What payment methods are accepted for W25Q32JWSNIM TR?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for W25Q32JWSNIM TR transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for W25Q32JWSNIM TR?
W25Q32JWSNIM TR orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your W25Q32JWSNIM 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 W25Q32JWSNIM TR?
For technical support, including W25Q32JWSNIM TR datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your W25Q32JWSNIM TR requirements.
6.How does Aetrix verify that W25Q32JWSNIM TR is sourced from the original manufacturer or authorized distributors?
All W25Q32JWSNIM 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 W25Q32JWSNIM TR meets industry standards.
7.What is the process for return or replacement of W25Q32JWSNIM TR?
All W25Q32JWSNIM TR units undergo pre-shipment inspection (PSI). If there is an issue with W25Q32JWSNIM 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 W25Q32JWSNIM TR part is unused and in its original packaging.
Return procedure for W25Q32JWSNIM TR:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
W25Q32JWSNIM TR Tags
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