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Winbond Electronics Corporation W25X32VZEIG T&R
- Part No.:
- W25X32VZEIG T&R
- Manufacturer:
- Winbond Electronics Corporation
- Category:
- Memory
- Package:
- 8-WDFN Exposed Pad
- Datasheet:
-
W25X32VZEIG T&R.pdf
- Description:
- IC FLASH 32MBIT SPI 75MHZ 8WSON
- Quantity:
- Payment:
- Shipping:
Inventory:1,467
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Product details
Overview
W25X32VZEIG T&R from Winbond is a 32M-bit (4MB) serial Flash memory IC with uniform 4KB sectors and dual-output SPI interface, operating at 2.7–3.6V, supporting up to 75MHz clock and 150Mbps data transfer via Fast Read Dual Output (3Bh), used for code storage and parameter retention in space-constrained embedded systems.
For engineers reviewing the W25X32VZEIG T&R datasheet, W25X32VZEIG T&R pinout, W25X32VZEIG T&R application, or W25X32VZEIG T&R equivalent, key selection factors include sector-level erase granularity, hardware/software write protection via /WP and status register, SOIC-300 and WSON-8x6mm package compatibility, and JEDEC ID support for system identification.
Technical Context
The W25X32VZEIG T&R implements a standard SPI bus (Modes 0 and 3) with dedicated DO and bidirectional DIO pins, enabling both single-output and dual-output read operations. Its internal architecture supports page-program (256 bytes), sector-erase (4KB), block-erase (64KB), and chip-erase commands, with BUSY flag and Write Enable Latch (WEL) managing command sequencing.
Write protection combines hardware (/WP pin active-low control of status register writes) and software (SRP, TB, BP2–BP0 bits) mechanisms, allowing configurable top/bottom array locking. The HOLD pin enables SPI bus arbitration by pausing ongoing operations without resetting internal state.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| Memory Density | 32 M-bit (4 MB), organized as 16,384 pages × 256 bytes |
| Operating Voltage | 2.7 V to 3.6 V - compatible with 3.3V logic systems without level shifting |
| Max Clock Frequency | 75 MHz - enables 150 Mbps effective throughput using Fast Read Dual Output (3Bh) |
| Erase Granularity | 4 KB sectors (1,024 sectors) and 64 KB blocks (64 blocks) - supports fine-grained firmware updates |
| Endurance & Retention | 100,000 program/erase cycles; 20-year data retention - suitable for field-upgradable embedded storage |
| Power Consumption | 5 mA active current; 1 µA power-down (typ) - optimized for battery-backed or low-power IoT nodes |
| Temperature Range | –40°C to +85°C - qualified for industrial-grade operation |
Pinout & Package
W25X32VZEIG T&R is packaged in an 8-pad WSON (8x6-mm, package code ZE), with exposed pad for thermal dissipation and footprint compatibility across Winbond's W25X32 family.
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| /CS | Chip Select Input | Active-low enable; device enters standby when high, ignores instructions except Read Status Register during BUSY |
| DO | Data Output | Unidirectional output for standard SPI reads; outputs MSB-first on CLK falling edge |
| /WP | Write Protect Input | Hardware lock for status register writes when SRP = 1; prevents accidental configuration changes |
| GND | Ground Reference | Signal and power return path; must be low-impedance for stable SPI timing and noise immunity |
| DIO | Data I/O | Bidirectional pin: inputs instructions/addresses on CLK rising edge; outputs data during Fast Read Dual Output |
| CLK | Serial Clock Input | Master-generated timing signal; supports Modes 0 and 3; defines sampling and output edges |
| /HOLD | Hold Control Input | Pauses active SPI transaction while /CS remains low; allows bus sharing without reinitialization |
| VCC | Power Supply | Single 2.7–3.6V supply; internal voltage regulator ensures stable core operation across rail variation |
Key Features
| Feature | Design Value |
|---|---|
| Dual Output SPI Interface | Enables 150 Mbps read throughput via 3Bh instruction, matching parallel Flash performance in compact 4-wire layout |
| Uniform 4KB Sector Architecture | Allows precise firmware patching and parameter storage without erasing unrelated code regions |
| Hardware + Software Write Protection | Combines /WP pin control with SRP/TB/BP bits to lock top/bottom memory regions independently |
| HOLD Function for Bus Arbitration | Preserves internal state during SPI contention, eliminating need for command retransmission after interrupt handling |
| JEDEC Manufacturer & Device ID | Supports automated system identification (9Fh) and runtime validation of flash identity during boot |
Applications
| Industrial HMI Firmware Storage | Medical Device Configuration Memory |
|---|---|
Use Scenario: Storing GUI assets, calibration tables, and localized language strings in panel-mounted HMIs with limited PCB area. IC Role / Device Role / Timing Role: Non-volatile code and data storage with fast sequential reads via Fast Read Dual Output for UI responsiveness. Use Value: 4KB sector erase enables over-the-air updates of individual UI modules without disrupting operational firmware. | Use Scenario: Retaining patient-specific settings, sensor calibration offsets, and audit logs in portable diagnostic equipment. IC Role / Device Role / Timing Role: Parameter and event log storage with hardware write protection to ensure regulatory compliance and data integrity. Use Value: /WP pin + SRP bit combination prevents unauthorized modification of safety-critical configuration data during operation. |
| Automotive Infotainment Boot Code | Network Router Firmware Image |
Use Scenario: Hosting primary bootloader and OS kernel images in automotive head units requiring AEC-Q100 alignment. IC Role / Device Role / Timing Role: High-reliability code shadowing source with 75MHz SPI clock support for rapid RAM loading at startup. Use Value: Dual Output SPI reduces boot time by ~50% versus standard SPI, meeting automotive cold-start timing requirements. | Use Scenario: Storing dual firmware images (active/backup) and configuration profiles in enterprise-grade routers. IC Role / Device Role / Timing Role: Field-upgradable firmware repository with sector-level erase enabling atomic image swaps. Use Value: 100,000-cycle endurance ensures >10 years of safe firmware update cycles under daily maintenance schedules. |
Equivalent & Alternatives
The following parts are listed as comparable options for similar serial Flash memory applications.
| Alternative Part | Technical Difference | Application Difference | Selection Advice |
|---|---|---|---|
| W25Q32JVSSIQ | Quad SPI (QPI) and DTR modes supported; 1.65–3.6V supply; 100MHz clock; no /HOLD pin in SOIC-8 variant | Higher throughput for boot-critical applications; lacks HOLD for multi-device SPI arbitration | Select when QPI mode or wider voltage range is required; verify /HOLD necessity in system design |
| AT25DF321A-SH-B | 32Mb density; 2.7–3.6V; 75MHz max; includes security register and OTP lock bits; different instruction set (e.g., 0x6B vs 0x3B for fast read) | Enhanced security features for firmware IP protection; not instruction-compatible with W25X32VZEIG T&R | Choose for secure boot implementations where cryptographic binding or one-time programmable locks are mandated |
Compared with W25X32VZEIG T&R, W25Q32JVSSIQ offers higher bandwidth but removes HOLD functionality critical for shared-bus systems, while AT25DF321A-SH-B adds security registers at the cost of instruction-level incompatibility-requiring firmware driver updates.
Availability
W25X32VZEIG T&R is available at Aetrix Electronics and suitable for industrial HMI firmware storage, medical device configuration memory, and automotive infotainment boot code requiring stable component supply and long-term lifecycle support.
Supply support for W25X32VZEIG T&R 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 NOR Flash memory solutions for embedded and industrial markets.
The W25X series was designed as a high-performance, low-power serial Flash family targeting code execution and data logging in resource-constrained microcontroller systems with strict PCB area and pin-count limits.
FAQ
What is the package type and dimensions of W25X32VZEIG T&R?
W25X32VZEIG T&R uses an 8-pad WSON package measuring 8 mm × 6 mm (package code ZE), with exposed thermal pad. It is distinct from the smaller 6×5-mm WSON used for W25X16 and the 8-pin SOIC-208-mil or 16-pin SOIC-300-mil variants offered for other members of the W25X family. This package supports reflow soldering and provides improved thermal performance for sustained programming operations.
Does W25X32VZEIG T&R support Quad SPI mode?
No, W25X32VZEIG T&R does not support Quad SPI (QPI) mode. It implements standard SPI (single I/O) and dual-output SPI only, using pins /CS, CLK, DIO, and DO. Quad-capable successors like the W25Q32JV use different instruction sets (e.g., 0x38 for Quad Read) and pin assignments. W25X32VZEIG T&R's instruction set is fully defined in its 2007 datasheet and excludes any quad-related commands or timing parameters.
What is the maximum guaranteed erase/write endurance for W25X32VZEIG T&R?
W25X32VZEIG T&R guarantees 100,000 program/erase cycles per sector, with 20-year data retention at +25°C. This endurance rating applies uniformly across all 1,024 sectors and is validated per JEDEC JESD22-A117 reliability standards. Endurance is not degraded by partial-page programming or mixed-sector usage, and wear leveling must be implemented externally in the host controller.
How does the /HOLD function operate during an active W25X32VZEIG T&R transaction?
When /HOLD is pulled low while /CS is low, W25X32VZEIG T&R immediately places DO in high-impedance state and ignores further CLK and DIO transitions. Internal state-including address counters and buffer contents-is preserved. Operation resumes on /HOLD rising edge (if CLK is low) or next CLK falling edge (if CLK is high), with no command restart required. This behavior is electrically specified in Section 10.1.3 of the datasheet.
Can W25X32VZEIG T&R be used with 1.8V microcontrollers?
No, W25X32VZEIG T&R requires a minimum VCC of 2.7V and is not 1.8V-compatible. Its I/O thresholds and internal regulator are designed for 3.3V systems. Interfacing with 1.8V controllers requires level-shifting circuitry on all signals (/CS, CLK, DIO, DO, /WP, /HOLD). Winbond's later W25Qxx series includes 1.65–3.6V variants, but W25X32VZEIG T&R remains strictly 2.7–3.6V compliant per its datasheet specifications.
W25X32VZEIG T&R 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
- Memory Size:
- 32Mbit
- Memory Organization:
- 4M x 8
- Memory Interface:
- SPI
- Clock Frequency:
- 75 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:
- 8-WSON (8x6)
W25X32VZEIG T&R FAQ
1.How can I place an order for W25X32VZEIG T&R through Aetrix?
Please submit a Request for Quotation (RFQ) for W25X32VZEIG T&R 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 W25X32VZEIG T&R reliable?
The price and inventory of W25X32VZEIG T&R are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for W25X32VZEIG T&R is usually 5 days.
3.What payment methods are accepted for W25X32VZEIG T&R?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for W25X32VZEIG T&R transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for W25X32VZEIG T&R?
W25X32VZEIG T&R orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your W25X32VZEIG T&R 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 W25X32VZEIG T&R?
For technical support, including W25X32VZEIG T&R datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your W25X32VZEIG T&R requirements.
6.How does Aetrix verify that W25X32VZEIG T&R is sourced from the original manufacturer or authorized distributors?
All W25X32VZEIG T&R 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 W25X32VZEIG T&R meets industry standards.
7.What is the process for return or replacement of W25X32VZEIG T&R?
All W25X32VZEIG T&R units undergo pre-shipment inspection (PSI). If there is an issue with W25X32VZEIG T&R, 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 W25X32VZEIG T&R part is unused and in its original packaging.
Return procedure for W25X32VZEIG T&R:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
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