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Winbond Electronics Corporation W25M512JVBIQ TR
- Part No.:
- W25M512JVBIQ TR
- Manufacturer:
- Winbond Electronics Corporation
- Category:
- Memory
- Package:
- 24-TBGA
- Datasheet:
-
W25M512JVBIQ TR.pdf
- Description:
- IC FLASH 512MBIT SPI 24TFBGA
- Quantity:
- Payment:
- Shipping:
Inventory:4,279
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Product details
Overview
W25M512JVBIQ TR from Winbond is a 512M-bit (2×256M-bit) Serial MCP Flash memory in an 8-pad WSON 8×6-mm package, implementing SpiStack® dual-die architecture with independent software die select (C2h). It supports concurrent read-while-program/erase operations, 104 MHz Quad SPI interface, and 4KB uniform sector erase - deployed in embedded boot code storage, firmware update partitions, and industrial HMI data logging.
For engineers reviewing the W25M512JVBIQ TR datasheet, W25M512JVBIQ TR pinout, W25M512JVBIQ TR application, or W25M512JVBIQ TR equivalent, key selection criteria include 4-byte addressing support, die-level isolation for multi-image systems, 50 MB/s continuous read throughput, and non-volatile block protection with OTP security registers.
Technical Context
The W25M512JVBIQ TR integrates two identical W25Q256JV dies in a single package, sharing CLK, /CS, and I/O lines while enabling per-die access via Software Die Select (C2h) instruction and factory-assigned Die ID. Each die provides 256M-bit density organized into 131,072 × 256-byte pages, with full support for 3- and 4-byte address modes.
It implements concurrent operations at the die level: one die can execute program/erase while the other serves read requests, eliminating suspend/resume overhead. The device uses standard SPI, Dual I/O, and Quad I/O protocols with configurable output drive strength (DRV1/DRV0) and hardware reset only on SOIC/TFBGA variants - not present in the WSON 8×6-mm W25M512JVBIQ TR package.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| Total Density | 512 M-bit (2 × 256 M-bit), enabling dual-firmware or code+data partitioning in same footprint |
| Interface Speed | 104 MHz clock, 208/416 MHz equivalent Dual/Quad SPI - delivers 50 MB/s sustained read bandwidth |
| Erase Granularity | Uniform 4 KB sectors, plus 32 KB and 64 KB blocks - supports fine-grained parameter updates without full image reflash |
| Endurance & Retention | 100,000 program/erase cycles per sector; >20-year data retention at +85°C - suitable for field-upgradable industrial firmware |
| Voltage Range | 2.7 V to 3.6 V single supply - compatible with 3.3 V logic rails and low-power MCU host systems |
| Operating Temp | –40°C to +85°C - qualified for extended-temperature industrial and automotive cabin applications |
| Security Features | Three 256-byte OTP-locked security registers, individual sector lock (36h/39h), and SFDP discoverable parameters - enables secure boot key storage and anti-cloning |
Pinout & Package
W25M512JVBIQ TR uses an 8-pad WSON 8×6-mm (Package Code E) surface-mount package with exposed thermal pad (not electrically connected). Pin 4 is GND; Pin 8 is VCC; no /RESET pin is included - reset functionality is software-only via 66h/99h instructions.
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| 1 (/CS) | Chip Select Input | Active-low enable for SPI transaction initiation; must be deasserted between commands to avoid bus contention across stacked dies |
| 2 (DO / IO1) | Data Output / I/O Line 1 | Primary output during Standard/Dual SPI reads; bidirectional in Dual/Quad modes - requires pull-up for open-drain compatibility |
| 3 (IO2) | Data I/O Line 2 | Enabled only in Quad SPI mode; used for address/data quad transfer - critical for achieving 416 MHz equivalent bandwidth |
| 4 (GND) | Ground Reference | Common return path for VCC and all I/O signals; must be low-inductance connection to minimize switching noise in high-speed SPI |
| 5 (DI / IO0) | Data Input / I/O Line 0 | Primary input for Standard/Dual SPI writes; bidirectional in Quad mode - carries command opcodes, addresses, and program data |
| 6 (CLK) | Serial Clock Input | Master-controlled timing reference up to 104 MHz; edge-triggered sampling - jitter tolerance defined in AC specs (tCH/tCL ≥ 4.8 ns) |
| 7 (IO3) | Data I/O Line 3 | Quad-mode-only signal; completes 4-bit-wide data/address transfers - required for Fast Read Quad I/O (EBh/ECh) and Quad Page Program (32h/34h) |
| 8 (VCC) | Power Supply | 2.7–3.6 V supply with 10 µF bulk + 100 nF ceramic decoupling near pad - voltage droop beyond ±5% triggers undefined behavior |
Key Features
| Feature | Design Value |
|---|---|
| SpiStack® Dual-Die Architecture | Two independent W25Q256JV dies share SPI bus but respond only when selected via C2h - enables parallel firmware images without external multiplexing |
| Concurrent Read-While-Program/Erase | One die executes background erase/program while second die services host read requests - eliminates system stalls during OTA updates |
| 4-Byte Address Mode Support | Enables full 512 M-bit addressing via B7h/E9h instructions and ADS/ADP status bits - mandatory for accessing >16 MB memory space |
| Volatile & Non-Volatile Protection Bits | BP0–BP3, TB, CMP, and SRL bits configurable in both volatile RAM and non-volatile flash - allows runtime lock-down and factory-set permanent protection |
| OTP-Secured Security Registers | Three 256-byte registers with one-time-programmable lock bits (LB1–LB3) - stores cryptographic keys, calibration data, or device-specific secrets immune to overwrite |
| Discoverable Parameters (SFDP) | JEDEC-standard SFDP register (5Ah) exposes timing, erase, and feature tables in structured format - enables automatic driver configuration by host bootloader |
Applications
| Industrial PLC Firmware Storage | Automotive ADAS Boot Loader |
|---|---|
|
Use Scenario: Storing dual-version firmware images and real-time configuration tables in programmable logic controllers with zero-downtime field updates. IC Role / Device Role / Timing Role: Primary non-volatile storage for boot code, application binaries, and persistent parameter sets - accessed via Quad SPI at 104 MHz during cold start and runtime patching. Use Value: Concurrent die operation allows background reprogramming of secondary image while primary image remains active - enabling fail-safe A/B firmware swapping without controller reset. |
Use Scenario: Hosting boot loader, safety-critical sensor fusion firmware, and calibration data in automotive camera/radar ECUs requiring ASIL-B compliance. IC Role / Device Role / Timing Role: Secure boot source with OTP-locked security registers holding root-of-trust keys; accessed via 4-byte addressing for >16 MB image size support. Use Value: Individual sector lock (36h) and complement protect (CMP) prevent unauthorized modification of safety-critical code regions - meeting ISO 26262 functional safety requirements. |
| Medical Imaging Data Buffer | Smart Meter Firmware & Tariff Tables |
|
Use Scenario: Capturing and buffering raw sensor frames from ultrasound or X-ray detectors before compression and transmission to host processor. IC Role / Device Role / Timing Role: High-throughput serial flash acting as circular buffer - leveraging 50 MB/s continuous read and 4KB sector erase for rapid frame overwrite. Use Value: Uniform 4KB sectors allow precise allocation of frame buffers without wasted space; concurrent operations prevent pipeline stalls during simultaneous capture and playback. |
Use Scenario: Storing tariff schedules, billing history, and encrypted firmware in utility smart meters with 10+ year field life and remote update capability. IC Role / Device Role / Timing Role: Long-life non-volatile memory supporting over-the-air firmware upgrades and tamper-resistant tariff table updates - powered from energy-harvesting sources. Use Value: 20-year data retention at +85°C and 100K P/E cycles ensure reliable operation across extreme environmental conditions and frequent update cycles. |
Equivalent & Alternatives
The following parts are listed as comparable options for similar serial MCP flash memory applications.
| Alternative Part | Technical Difference | Application Difference | Selection Advice |
|---|---|---|---|
| W25M512JVEIQ TR | Same die stack and pinout, but in 16-pin SOIC 300-mil package with dedicated /RESET pin and N/C pins - no exposed thermal pad | Requires PCB layout change; supports hardware reset assertion and easier prototyping with through-hole-compatible footprint | Select when hardware reset signaling or manual reset button integration is required; not drop-in compatible with WSON layout |
| IS25LP512M-JL | 512 M-bit single-die Quad SPI flash (no SpiStack®); supports 133 MHz clock, 80 MB/s read, but lacks concurrent die operations and software die select | No dual-image isolation; cannot perform read-while-erase across independent memory spaces - limits A/B update flexibility | Choose for higher raw bandwidth where die concurrency is unnecessary; requires different driver logic due to absence of C2h instruction |
Compared with W25M512JVEIQ TR, the W25M512JVBIQ TR omits /RESET but saves board area; versus IS25LP512M-JL, it trades peak speed for unique concurrent die control and firmware partitioning - making it optimal for safety-critical dual-image systems.
Availability
W25M512JVBIQ TR is available at Aetrix Electronics and suitable for industrial PLC firmware storage, automotive ADAS boot loaders, and medical imaging data buffering requiring stable component supply across long-lifecycle programs.
Supply support for W25M512JVBIQ 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 for embedded, industrial, and communications markets.
The W25M SpiStack® product line was designed to deliver dual-die density and concurrent operation in standard low-pin-count packages - targeting space-constrained systems needing fault-tolerant firmware storage and seamless over-the-air updates.
FAQ
Does W25M512JVBIQ TR support hardware reset, and how is reset handled?
No, the W25M512JVBIQ TR in WSON 8×6-mm package does not include a /RESET pin. Reset is implemented exclusively via software commands: Enable Reset (66h) followed by Reset Device (99h). This sequence forces internal state machine initialization and returns the device to power-on default settings. Unlike SOIC or TFBGA variants, the W25M512JVBIQ TR relies entirely on this SPI-based reset mechanism - confirmed in Section 2 and Figure 1a of the datasheet.
What is the role of the Software Die Select (C2h) instruction in W25M512JVBIQ TR operation?
The Software Die Select (C2h) instruction enables independent access to each of the two stacked W25Q256JV dies inside the W25M512JVBIQ TR. After issuing C2h with a die number (0 or 1), all subsequent commands target only that die until another C2h is issued. This prevents bus contention and allows true concurrency - e.g., reading from Die 0 while programming Die 1. The instruction is mandatory for utilizing the full 512 M-bit capacity and is documented in Section 8.2.1 and Figure 4.
Can W25M512JVBIQ TR operate in 4-byte address mode, and how is it enabled?
Yes, W25M512JVBIQ TR fully supports 4-byte addressing to access its entire 512 M-bit address space. It is enabled by issuing the Enter 4-Byte Address Mode instruction (B7h), which sets the ADP bit in Status Register-3. Once enabled, all read, program, and erase commands use 32-bit addresses. The device retains this mode across power cycles if ADP is written non-volatily. Exit is performed with E9h. This capability is essential for firmware images exceeding 16 MB and is specified in Sections 6.1.4 and 8.2.9.
How does W25M512JVBIQ TR implement security for firmware storage?
W25M512JVBIQ TR provides layered security: (1) Three 256-byte security registers with OTP lock bits (LB1–LB3) for storing immutable keys; (2) Individual sector lock (36h/39h) and global lock (7Eh/98h) for write protection; (3) Complement protect (CMP) and top/bottom block protect (TB) bits in status registers; (4) Power supply lock-down to prevent glitch-based attacks. All features are accessible via standard SPI commands and verified in Sections 7.1.8 and 8.2.48–8.2.52.
What are the endurance and data retention specifications for W25M512JVBIQ TR?
W25M512JVBIQ TR guarantees a minimum of 100,000 program/erase cycles per sector and greater than 20 years of data retention at +85°C ambient temperature. These values are measured per JEDEC standards and apply to all 4KB sectors across both stacked dies. Endurance is unaffected by concurrent operations, and retention holds under full voltage (2.7–3.6 V) and temperature (–40°C to +85°C) operating ranges - confirmed in Section 2 FEATURES and Table 9.4.
W25M512JVBIQ TR Specifications
- Product attributes
- Attribute value
- Manufacturer:
- Winbond Electronics Corporation
- Series:
- SpiFlash®
- Package/Case:
- 24-TBGA
- 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
- Clock Frequency:
- 104 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:
- 24-TFBGA (6x8)
W25M512JVBIQ TR FAQ
1.How can I place an order for W25M512JVBIQ TR through Aetrix?
Please submit a Request for Quotation (RFQ) for W25M512JVBIQ 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 W25M512JVBIQ TR reliable?
The price and inventory of W25M512JVBIQ TR are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for W25M512JVBIQ TR is usually 5 days.
3.What payment methods are accepted for W25M512JVBIQ TR?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for W25M512JVBIQ TR transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for W25M512JVBIQ TR?
W25M512JVBIQ TR orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your W25M512JVBIQ 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 W25M512JVBIQ TR?
For technical support, including W25M512JVBIQ TR datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your W25M512JVBIQ TR requirements.
6.How does Aetrix verify that W25M512JVBIQ TR is sourced from the original manufacturer or authorized distributors?
All W25M512JVBIQ 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 W25M512JVBIQ TR meets industry standards.
7.What is the process for return or replacement of W25M512JVBIQ TR?
All W25M512JVBIQ TR units undergo pre-shipment inspection (PSI). If there is an issue with W25M512JVBIQ 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 W25M512JVBIQ TR part is unused and in its original packaging.
Return procedure for W25M512JVBIQ TR:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
W25M512JVBIQ TR Tags
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M24C02-WMN6TP
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AT24C04C-SSHM-T
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