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Winbond Electronics Corporation W25Q512JVEIM TR
- Part No.:
- W25Q512JVEIM TR
- Manufacturer:
- Winbond Electronics Corporation
- Category:
- Memory
- Package:
- 8-WDFN Exposed Pad
- Datasheet:
-
W25Q512JVEIM TR.pdf
- Description:
- IC FLASH 512MBIT SPI/QUAD 8WSON
- Quantity:
- Payment:
- Shipping:
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Product details
Overview
W25Q512JVEIM TR from Winbond is a 3.0V, 512M-bit serial NOR flash memory supporting Dual/Quad SPI, QPI, and Double Transfer Rate (DTR) read modes. It features 262,144 pages of 256 bytes each, 4KB uniform sector erase, 133MHz max clock frequency, and operates across -40°C to +85°C. It is used for code execution (XIP), firmware storage, and boot image retention in space-constrained embedded systems.
For engineers reviewing the W25Q512JVEIM TR datasheet, W25Q512JVEIM TR pinout, W25Q512JVEIM TR application, or W25Q512JVEIM TR equivalent, key selection factors include 4-byte addressing support, Quad Enable (QE) bit configuration, /HOLD vs /RESET pin mapping per package, DTR timing compliance, and sector-level write protection granularity.
Technical Context
The W25Q512JVEIM TR implements a flexible SPI-compatible interface with configurable I/O modes: standard single I/O, dual I/O (IO0/IO1), quad I/O (IO0–IO3), and QPI with DTR capability. Its internal architecture includes a 64-bit unique ID register, three 256-byte security registers with OTP locks, and SFDP (Serial Flash Discoverable Parameters) for automatic configuration discovery.
It supports both 3-byte and 4-byte address modes, with ADS status bit indicating current mode and ADP bit storing power-up default. Erase/program suspend/resume functionality enables concurrent background operations, while volatile/non-volatile status register bits (BP0–BP3, TB, CMP, SRP, QE, DRV0/DRV1) allow fine-grained memory protection and driver strength control.
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 - compatible with 3.3 V logic systems without level shifting |
| Max Clock Frequency | 133 MHz - enables 532 MB/s effective throughput in Quad I/O DTR mode |
| Erase Granularity | 4 KB sectors (16,384 total), 32 KB blocks (2,048), 64 KB blocks (1,028) - supports mixed-code/data partitioning |
| Data Retention | 20+ years - validated under JEDEC JESD22-A117 conditions |
| Endurance | 100,000 program/erase cycles per sector - suitable for frequent firmware updates |
| Package Type | 8-pad WSON 8×6 mm (Package Code E) - surface-mount, low-profile, no lead, RoHS-compliant |
| Temperature Range | -40°C to +85°C - qualified for industrial-grade operation |
Pinout & Package
W25Q512JVEIM TR uses the 8-pad WSON 8×6-mm package (Package Code E), with exposed thermal pad (not electrically connected). Pin 1 is /CS, pin 2 is DO (IO1), pin 3 is /WP (IO2), pin 4 is GND, pin 5 is DI (IO0), pin 6 is CLK, pin 7 is /HOLD or /RESET (IO3), and pin 8 is VCC. The /HOLD function is active-low and disabled when Quad Enable (QE=1); /RESET is not available in this 8-pin variant.
| Pin | Circuit Role | Design Meaning |
|---|---|---|
| /CS (Pin 1) | Chip Select Input | Active-low enable; high-impedance outputs when deasserted; required high-to-low transition before instruction acceptance |
| DO (IO1) (Pin 2) | Serial Data Output / Bidirectional I/O | Unidirectional output in Standard SPI; bidirectional in Dual/Quad SPI; shares pin with IO1 |
| /WP (IO2) (Pin 3) | Write Protect Input / Bidirectional I/O | Hardware lock for status register; repurposed as IO2 when QE=1; active-low |
| GND (Pin 4) | Ground Reference | Primary return path for VCC and I/O signals; must be low-impedance connection |
| DI (IO0) (Pin 5) | Serial Data Input / Bidirectional I/O | Unidirectional input in Standard SPI; bidirectional in Dual/Quad SPI; shares pin with IO0 |
| CLK (Pin 6) | Serial Clock Input | Edge-triggered timing source; rising edge for input, falling edge for output in all SPI modes |
| /HOLD (IO3) (Pin 7) | Hold Input / Bidirectional I/O | Pauses ongoing read/write; disabled when QE=1; repurposed as IO3 in Quad mode |
| VCC (Pin 8) | Power Supply | 2.7–3.6 V supply; decoupling capacitor (≥100 nF) required within 5 mm of pin |
Key Features
| Feature | Design Value |
|---|---|
| Dual/Quad SPI + QPI + DTR Support | Enables 532 MB/s effective bandwidth via 4-bit I/O + double-data-rate sampling - eliminates need for parallel flash in high-speed boot applications |
| 4-Byte Address Mode | Required for full 512 M-bit addressing; configured via B7h/E9h instructions or non-volatile ADP bit - avoids address wrap in large firmware images |
| Erase/Program Suspend & Resume | Allows interruption of long erase (up to 1.5 s) or program (up to 10 ms) operations to service higher-priority reads - critical for real-time interrupt latency control |
| Three 256-Byte Security Registers | OTP-lockable storage for cryptographic keys or calibration data - isolated from main array and inaccessible via standard read commands |
| 64-Bit Unique Serial Number | Factory-programmed, immutable identifier per die - enables secure device authentication and anti-cloning in IoT edge nodes |
| JEDEC SFDP Register | Standardized parameter table accessible via 5Ah command - allows host bootloader to auto-configure timing, voltage, and command sets without hard-coded dependencies |
Applications
| Industrial PLC Firmware Storage | Automotive ADAS Boot Image |
|---|---|
Use Scenario: Storing firmware and configuration data for programmable logic controllers operating in harsh factory environments with wide temperature swings and electrical noise. IC Role / Device Role / Timing Role: Non-volatile code storage and XIP (execute-in-place) execution source for ARM Cortex-M7 microcontrollers during cold boot and runtime updates. Use Value: 20-year data retention and 100K endurance ensure reliable field operation over 10+ years without refresh; 4KB sector erase enables atomic OTA update partitioning. |
Use Scenario: Holding boot code and safety-critical sensor fusion algorithms for automotive camera/radar ECUs requiring ASIL-B compliance and fast cold-start (<500 ms). IC Role / Device Role / Timing Role: Primary boot memory mapped to ARM Cortex-R5F cache-coherent bus via Quad SPI with DTR timing for deterministic read latency. Use Value: 133 MHz clock + DTR yields sub-200 ns effective access time per 32-bit word - meets ISO 26262 startup timing budgets. |
| Medical Imaging Device Configuration | Smart Energy Meter Firmware |
Use Scenario: Storing calibrated lookup tables, DICOM metadata templates, and regulatory audit logs in portable ultrasound and MRI control units. IC Role / Device Role / Timing Role: Secure parameter archive with hardware write-protection and individual sector locking to prevent accidental overwrite of FDA-cleared calibration data. Use Value: Top/bottom block protection + CMP bit enables immutable storage of certified parameters; 64-bit UID supports traceability per IEC 62304 requirement. |
Use Scenario: Hosting DLMS/COSEM protocol stack and tariff schedule updates in ANSI C12.22-compliant smart meters deployed in utility grids with remote firmware management. IC Role / Device Role / Timing Role: Field-upgradable firmware repository with sector-level rollback capability and SFDP-driven timing adaptation across meter generations. Use Value: SFDP register allows same binary to auto-adapt to different W25Q512JV variants; 4-byte addressing prevents overflow in multi-year firmware version trees. |
Equivalent & Alternatives
The following parts are listed as comparable options for similar serial NOR flash memory applications.
| Alternative Part | Technical Difference | Application Difference | Selection Advice |
|---|---|---|---|
| MX25L51245GZC-10G | Same density, 104 MHz max clock, no DTR support, 2.3–3.6 V supply, 8-pin SOIC only | Lacks DTR and QPI modes; limited to Standard/Dual SPI; no 4-byte addressing in base config | Select if system uses legacy SPI controller without DTR/QPI logic and requires lower cost over speed |
| S25FL512SAGMFI010 | 512 M-bit, 133 MHz, supports DTR but requires external DLL for setup; 1.8/3.0 V dual supply option; TFBGA-only | Requires additional board-level timing tuning; lacks /HOLD pin in TFBGA; no 8-pin WSON option | Select if migrating from Spansion platform and board already uses TFBGA footprint with DLL circuitry |
Compared with MX25L51245GZC-10G and S25FL512SAGMFI010, the W25Q512JVEIM TR delivers full DTR+QPI capability in the compact WSON package with integrated 4-byte addressing control and on-die SFDP - reducing firmware porting effort and PCB area in new designs targeting high-speed boot and secure field updates.
Availability
W25Q512JVEIM TR is available at Aetrix Electronics and suitable for industrial automation, automotive ADAS, medical imaging, and smart energy metering applications requiring stable component supply, long-term lifecycle support, and RoHS-compliant packaging.
Supply support for W25Q512JVEIM 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 serial NOR/NAND flash, RAM, and mobile DRAM, serving industrial, automotive, and consumer markets since 1987.
The W25Q series was designed specifically for high-reliability embedded systems needing fast, secure, and flexible code storage - emphasizing XIP performance, sector-level protection, and standardized configuration discovery via SFDP.
FAQ
What is the package type and pin count of the W25Q512JVEIM TR?
The W25Q512JVEIM TR uses an 8-pad WSON (8×6 mm) package with exposed thermal pad. It has exactly eight terminals: /CS, DO (IO1), /WP (IO2), GND, DI (IO0), CLK, /HOLD or /RESET (IO3), and VCC. This matches Package Code E in Winbond's ordering matrix and is distinct from SOIC-16 or TFBGA variants that include dedicated /RESET pins.
Does the W25Q512JVEIM TR support 4-byte addressing, and how is it enabled?
Yes, the W25Q512JVEIM TR fully supports 4-byte addressing for accessing its full 512 M-bit capacity. It is enabled either by issuing the Enter 4-Byte Address Mode command (B7h) or by setting the non-volatile ADP bit in Status Register-1. The ADS bit indicates current mode status, and the device retains ADP setting across power cycles - eliminating need for re-initialization at boot.
Can the W25Q512JVEIM TR be used for execute-in-place (XIP) applications?
Yes, the W25Q512JVEIM TR supports XIP via Dual/Quad SPI and QPI interfaces with DTR read capability. Its 133 MHz clock and 532 MB/s effective bandwidth meet typical ARM Cortex-M/R-series XIP timing requirements. The device includes continuous read mode and burst wrap support, enabling seamless instruction fetch without address wrap interrupts during sequential execution.
How does write protection work on the W25Q512JVEIM TR?
The W25Q512JVEIM TR implements layered write protection: hardware via /WP pin (active-low, disables status register writes), and software via Block Protect (BP0–BP3), Top/Bottom (TB), Complement (CMP), and Status Register Protect (SRP/SRL) bits. Protection granularity ranges from single 4KB sectors to full array, and settings persist across power cycles when written to non-volatile bits - critical for safeguarding boot code.
Is the /RESET pin available on the W25Q512JVEIM TR package?
No, the W25Q512JVEIM TR uses the 8-pad WSON package (Code E), which does not include a dedicated /RESET pin. Pin 7 functions as /HOLD or /RESET depending on QE and status register configuration, but hardware reset is disabled when QE=1. For dedicated /RESET functionality, Winbond offers SOIC-16 (Code F) and TFBGA (Code B) variants - not the W25Q512JVEIM TR.
W25Q512JVEIM TR Specifications
- Product attributes
- Attribute value
- Manufacturer:
- Winbond Electronics Corporation
- Series:
- SpiFlash®
- Package/Case:
- 8-WDFN Exposed Pad
- Packaging:
- Tape & Reel (TR)
- 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 TR FAQ
1.How can I place an order for W25Q512JVEIM TR through Aetrix?
Please submit a Request for Quotation (RFQ) for W25Q512JVEIM 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 W25Q512JVEIM TR reliable?
The price and inventory of W25Q512JVEIM TR are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for W25Q512JVEIM TR is usually 5 days.
3.What payment methods are accepted for W25Q512JVEIM TR?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for W25Q512JVEIM TR transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for W25Q512JVEIM TR?
W25Q512JVEIM TR orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your W25Q512JVEIM 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 W25Q512JVEIM TR?
For technical support, including W25Q512JVEIM TR datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your W25Q512JVEIM TR requirements.
6.How does Aetrix verify that W25Q512JVEIM TR is sourced from the original manufacturer or authorized distributors?
All W25Q512JVEIM 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 W25Q512JVEIM TR meets industry standards.
7.What is the process for return or replacement of W25Q512JVEIM TR?
All W25Q512JVEIM TR units undergo pre-shipment inspection (PSI). If there is an issue with W25Q512JVEIM 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 W25Q512JVEIM TR part is unused and in its original packaging.
Return procedure for W25Q512JVEIM TR:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
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