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Winbond Electronics Corporation W25Q512JVEIM
- Part No.:
- W25Q512JVEIM
- Manufacturer:
- Winbond Electronics Corporation
- Category:
- Memory
- Package:
- 8-WDFN Exposed Pad
- Datasheet:
-
W25Q512JVEIM.pdf
- Description:
- IC FLASH 512MBIT SPI/QUAD 8WSON
- Quantity:
- Payment:
- Shipping:
Inventory:4,482
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Product details
Overview
W25Q512JVEIM from Winbond is a 512M-bit (64MB) serial NOR flash memory IC supporting Dual/Quad SPI, QPI, and DTR read modes. It operates on a single 2.7V–3.6V supply, delivers up to 133MHz SPI clock frequency (532MHz equivalent Quad I/O), and features uniform 4KB sector erase, 100K program-erase cycles per sector, and 20-year data retention. It is used for XIP code execution, firmware storage, and parameter logging in space-constrained embedded systems.
For engineers reviewing the W25Q512JVEIM datasheet, W25Q512JVEIM pinout, W25Q512JVEIM application, or W25Q512JVEIM equivalent, key selection considerations include 4-byte addressing support, Quad Enable (QE) bit configuration, /HOLD vs /RESET pin mapping in WSON-8, and compatibility with DTR timing requirements in high-speed boot scenarios.
Technical Context
The W25Q512JVEIM implements a flexible SPI-compatible command set with hardware-selectable operation modes: Standard SPI (DI/DO), Dual I/O (IO0/IO1), Quad I/O (IO0–IO3), QPI, and DTR variants. Its internal architecture includes a 262,144-page (256-byte/page) array, programmable status registers (SR1–SR3), extended address register for 4-byte mode, and SFDP register for JEDEC-standardized parameter discovery.
Pin functionality is context-dependent: /WP and /HOLD become IO2 and IO3 respectively when Quad Enable (QE=1) is set in Status Register-2; /RESET is not available on WSON-8 package unless QE=0 and IO3 is configured as reset - but W25Q512JVEIM specifically uses Package Code E (8-pad WSON), where /RESET is not implemented and IO3 serves only as /HOLD.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| Memory Density | 512 M-bit (64 MB), organized as 262,144 × 256-byte pages |
| Operating Voltage | 2.7 V to 3.6 V - enables direct interface with 3.3 V logic without level shifting |
| Max Clock Frequency | 133 MHz SPI - supports 532 MB/s effective throughput in Quad I/O Fast Read mode |
| Erase Granularity | Uniform 4 KB sectors (16,384 total), plus 32 KB and 64 KB blocks - enables fine-grained firmware partitioning |
| Endurance & Retention | 100,000 program/erase cycles per sector; >20 years data retention at +85°C |
| Addressing Mode | Configurable 3-byte or 4-byte mode - required for access beyond 16 MB; enabled via B7h instruction |
| Security Features | Three 256-byte OTP-lockable security registers, 64-bit unique ID, and individual sector lock/unlock commands |
Pinout & Package
W25Q512JVEIM is packaged in an 8-pad WSON (8×6 mm, Package Code E), with no dedicated /RESET pin. Pin functions are shared: IO2 = /WP (when QE=0), IO3 = /HOLD (when QE=0); both become bidirectional data lines in Quad mode.
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| /CS | Chip Select Input | Active-low enable; must transition high→low before each instruction; controls DO high-impedance state |
| DO (IO1) | Data Output / Bidirectional I/O | Unidirectional output in Standard SPI; bidirectional in Dual/Quad modes; requires QE=1 for Quad use |
| /WP (IO2) | Write Protect Input / Bidirectional I/O | Hardware write protection for status register when QE=0; becomes IO2 in Quad mode (QE=1) |
| GND | Ground Reference | Primary return path for all I/O and core logic; must be low-impedance for signal integrity |
| DI (IO0) | Data Input / Bidirectional I/O | Unidirectional input in Standard SPI; bidirectional in Dual/Quad modes; primary instruction/address entry point |
| CLK | Serial Clock Input | Rising-edge sampled for input, falling-edge sampled for output; timing-critical for DTR compliance |
| /HOLD (IO3) | Hold Input / Bidirectional I/O | Pauses ongoing read/write while /CS active; becomes IO3 in Quad mode (QE=1); not functional as /RESET in WSON-8 |
| VCC | Power Supply | 2.7–3.6 V supply; decoupling capacitor required within 1 cm of pad to suppress switching noise |
Key Features
| Feature | Design Value |
|---|---|
| Dual/Quad SPI & QPI Support | Enables scalable bandwidth: 266 MB/s (Dual I/O) or 532 MB/s (Quad I/O) with Fast Read instructions |
| DTR (Double Transfer Rate) Read | Allows data sampling on both clock edges - critical for meeting timing budgets in high-frequency boot loaders |
| Erase/Program Suspend & Resume | Permits interleaving of real-time tasks with background flash operations without data corruption risk |
| JEDEC SFDP Register | Provides standardized, read-only parameter table - eliminates hard-coded timing constants in host drivers |
| Individual Sector Lock | Supports per-sector write protection via 36h/39h commands - essential for secure OTA update partitions |
Applications
| Industrial PLC Firmware Storage | Automotive ADAS Boot Image |
|---|---|
Use Scenario: Storing certified firmware images and calibration tables in programmable logic controllers operating in harsh temperature environments. IC Role / Device Role / Timing Role: Non-volatile code storage with XIP-capable Quad SPI interface enabling deterministic boot latency under -40°C to +85°C. Use Value: 4KB sector granularity allows independent update of safety-critical control modules without erasing entire firmware image. |
Use Scenario: Hosting boot-time sensor fusion algorithms and camera calibration data in autonomous driving ECUs. IC Role / Device Role / Timing Role: High-reliability flash memory supporting DTR read for sub-100ms cold boot time compliance. Use Value: 100K endurance and 20-year retention ensure field-upgradable vision processing firmware remains valid over vehicle lifetime. |
| Medical Imaging Device Configuration | Network Router Secure Boot |
Use Scenario: Storing DICOM-compliant image processing parameters and regulatory audit logs in portable ultrasound units. IC Role / Device Role / Timing Role: Parameter and log storage with hardware write protection (/WP pin + BP bits) preventing accidental overwrite during diagnostics. Use Value: Three OTP-lockable 256-byte security registers store cryptographic keys used for firmware signature verification. |
Use Scenario: Holding signed bootloader and root-of-trust certificates in enterprise-grade routers requiring secure boot chain validation. IC Role / Device Role / Timing Role: Trusted code storage with 64-bit unique ID and SFDP register for hardware-rooted identity binding. Use Value: Individual sector lock (36h command) isolates bootloader partition from OS update regions, enforcing immutable boot policy. |
Equivalent & Alternatives
The following parts are listed as comparable options for similar serial NOR flash applications.
| Alternative Part | Technical Difference | Application Difference | Selection Advice |
|---|---|---|---|
| MX25L51245GMI-10G | Same density (512Mb), 3.3V, supports DTR but lacks QPI mode; max clock 104MHz (vs 133MHz) | No QPI instruction set - limits host controller flexibility in multi-protocol designs | Prefer when legacy SPI/QPI host compatibility is unnecessary and cost sensitivity outweighs speed needs |
| S25FL512SAGMFI000 | 512Mb, 3.0V, supports Octal DTR (not supported by W25Q512JVEIM); includes built-in ECC | Higher pin count (16-pin SOIC or 24-ball BGA), no WSON-8 option; ECC adds latency overhead | Choose when system-level error correction is mandatory and board layout accommodates larger package |
Compared with MX25L51245GMI-10G and S25FL512SAGMFI000, W25Q512JVEIM uniquely balances WSON-8 compactness, 133MHz DTR performance, and QPI protocol flexibility - making it optimal for next-generation edge AI modules where footprint, speed, and software portability are jointly constrained.
Availability
W25Q512JVEIM is available at Aetrix Electronics and suitable for industrial automation, automotive telematics, and medical device applications requiring stable component supply across long product lifecycles.
Supply support for W25Q512JVEIM 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, mobile DRAM, and code storage products for embedded and communications markets.
The W25Q series is designed for high-performance, space-constrained code storage - emphasizing fast XIP execution, robust security, and multi-protocol SPI compatibility in industrial and automotive applications.
FAQ
What package type does W25Q512JVEIM use, and does it include a /RESET pin?
W25Q512JVEIM uses the 8-pad WSON (8×6 mm, Package Code E) with no dedicated /RESET pin. In this package, IO3 functions exclusively as /HOLD when Quad Enable (QE=0); it cannot be configured as /RESET. Hardware reset is only available on SOIC-16 and TFBGA packages - not on W25Q512JVEIM.
Does W25Q512JVEIM support 4-byte addressing, and how is it enabled?
Yes, W25Q512JVEIM supports 4-byte addressing to access its full 512 M-bit capacity. It is enabled by issuing the Enter 4-Byte Address Mode instruction (B7h). The setting persists until Exit 4-Byte Address Mode (E9h) is executed or power is cycled. The ADP bit in Status Register-1 determines power-up default mode.
How does the Quad Enable (QE) bit affect pin functionality on W25Q512JVEIM?
When QE=1 (set in Status Register-2), /WP becomes IO2 and /HOLD becomes IO3 - enabling full Quad SPI operation. When QE=0, those pins revert to hardware protection functions. This mapping is fixed per JEDEC JESD216 standard and applies identically across all W25Q512JV variants, including W25Q512JVEIM.
What is the purpose of the SFDP register in W25Q512JVEIM, and how is it accessed?
The SFDP (Serial Flash Discoverable Parameters) register in W25Q512JVEIM provides a standardized, read-only table of timing, command, and feature parameters. It is accessed via the Read SFDP Register instruction (5Ah) and eliminates need for hardcoded driver values - improving portability across flash vendors and densities.
Can W25Q512JVEIM be used for Execute-in-Place (XIP) applications, and what interface modes support it?
Yes, W25Q512JVEIM supports XIP via Dual and Quad SPI interfaces using Fast Read Dual/Quad I/O instructions. Its 133MHz clock and DTR capability enable sustained read bandwidth sufficient for real-time code execution - widely deployed in ARM Cortex-M and RISC-V microcontroller boot paths.
W25Q512JVEIM Specifications
- Product attributes
- Attribute value
- Manufacturer:
- Winbond Electronics Corporation
- Series:
- SpiFlash®
- Package/Case:
- 8-WDFN Exposed Pad
- Packaging:
- Tray
- Product Status:
- Active
- Programmable:
- Not Verified
- Memory Type:
- Non-Volatile
- Memory Format:
- FLASH
- Technology:
- FLASH - NOR
- Memory Size:
- 512Mbit
- Memory Organization:
- 64M x 8
- Memory Interface:
- SPI - Quad I/O
- Clock Frequency:
- 133 MHz
- Write Cycle Time - Word, Page:
- -
- 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)
W25Q512JVEIM FAQ
1.How can I place an order for W25Q512JVEIM through Aetrix?
Please submit a Request for Quotation (RFQ) for W25Q512JVEIM 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 W25Q512JVEIM reliable?
The price and inventory of W25Q512JVEIM are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for W25Q512JVEIM is usually 5 days.
3.What payment methods are accepted for W25Q512JVEIM?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for W25Q512JVEIM transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for W25Q512JVEIM?
W25Q512JVEIM orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your W25Q512JVEIM 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 W25Q512JVEIM?
For technical support, including W25Q512JVEIM datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your W25Q512JVEIM requirements.
6.How does Aetrix verify that W25Q512JVEIM is sourced from the original manufacturer or authorized distributors?
All W25Q512JVEIM 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 W25Q512JVEIM meets industry standards.
7.What is the process for return or replacement of W25Q512JVEIM?
All W25Q512JVEIM units undergo pre-shipment inspection (PSI). If there is an issue with W25Q512JVEIM, 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 W25Q512JVEIM part is unused and in its original packaging.
Return procedure for W25Q512JVEIM:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
W25Q512JVEIM Tags
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M24C02-WMN6TP
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