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Winbond Electronics Corporation W25Q512JVEIQ TR
- Part No.:
- W25Q512JVEIQ TR
- Manufacturer:
- Winbond Electronics Corporation
- Category:
- Memory
- Package:
- 8-WDFN Exposed Pad
- Datasheet:
-
W25Q512JVEIQ TR.pdf
- Description:
- IC FLASH 512MBIT SPI/QUAD 8WSON
- Quantity:
- Payment:
- Shipping:
Inventory:2,390
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Product details
Overview
W25Q512JVEIQ TR from Winbond is a 512M-bit (64MB) serial NOR flash memory IC supporting standard, dual, and quad SPI interfaces with 4-byte addressing, 133MHz clock capability, and hardware reset. It delivers 66MB/s continuous read throughput, features uniform 4KB sectors (16,384 total), and operates from 2.7V to 3.6V for code storage and XIP execution in space-constrained embedded systems.
For engineers reviewing the W25Q512JVEIQ TR datasheet, W25Q512JVEIQ TR pinout, W25Q512JVEIQ TR application, or W25Q512JVEIQ TR equivalent, key selection criteria include quad I/O support with non-volatile QE bit, hardware /RESET availability in SOIC/TFBGA packages, 100K program-erase cycles per sector, and integrated security registers with OTP locks.
Technical Context
The W25Q512JVEIQ TR implements a flexible SPI command architecture supporting three address modes (3-byte, 4-byte, and ADP-configurable), with dedicated status register bits (QE, BPx, TB, CMP) enabling fine-grained memory protection. Its block diagram integrates a 256-byte page buffer, SFDP register for discoverable parameters, and three 256-byte security registers with OTP lock bits.
Quad SPI operation requires non-volatile setting of the Quad Enable (QE) bit in Status Register-2; when enabled, /WP and /HOLD become IO2 and IO3, disabling their hardware protection functions. The device supports erase/program suspend/resume, power-down current as low as 1µA (typ.), and JEDEC-standard manufacturer/device ID and unique 64-bit serial number.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| Memory Density | 512 M-bit (64 MB), organized as 262,144 × 256-byte pages |
| Interface Speed | Up to 133 MHz SPI clock; enables 532 MHz equivalent quad I/O data rate |
| Addressing Mode | Supports both 3-byte and 4-byte addressing; ADP bit sets default power-up mode |
| Erase Granularity | Uniform 4 KB sectors (16,384), 32 KB blocks (8,192), 64 KB blocks (1,028), full chip |
| Endurance & Retention | 100,000 program/erase cycles per sector; >20 years data retention at +25°C |
| Supply Voltage | 2.7 V to 3.6 V single supply; <1 µA typical standby current in power-down mode |
| Security Features | Three 256-byte security registers with OTP locks; 64-bit unique ID; SFDP register |
Pinout & Package
W25Q512JVEIQ TR is supplied in an 8-pad WSON 8×6-mm package (Package Code E), with exposed pad for thermal dissipation. Pin assignments are fixed per JEDEC MO-252 and match Figure 1a in the datasheet.
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| /CS | Chip Select Input | Active-low enable; high-impedance DO and standby current when deasserted |
| DO (IO1) | Data Output / Quad I/O 1 | Unidirectional output in standard SPI; bidirectional I/O1 in dual/quad mode |
| /WP (IO2) | Write Protect Input / Quad I/O 2 | Hardware sector lock when low; becomes IO2 in quad mode if QE=1 |
| GND | Ground Reference | Primary return path for all I/O and core logic; connects to exposed pad |
| DI (IO0) | Data Input / Quad I/O 0 | Unidirectional input in standard SPI; bidirectional I/O0 in dual/quad mode |
| CLK | Serial Clock Input | Edge-triggered timing reference for all SPI transfers; supports Mode 0/3 |
| /HOLD or /RESET (IO3) | Hold Input / Quad I/O 3 | Pauses ongoing SPI transfer when low; becomes IO3 in quad mode if QE=1 |
| VCC | Power Supply | 2.7–3.6 V core and I/O supply; decoupling capacitor required near pin |
Key Features
| Feature | Design Value |
|---|---|
| Quad SPI with Non-Volatile QE | Status Register-2 QE bit persists across power cycles, enabling reliable quad I/O boot without reconfiguration |
| Erase/Program Suspend | Allows temporary halt of long erase/program operations to service time-critical reads or writes |
| Individual Sector Lock | 36h/39h instructions permit per-sector write-lock/unlock via security registers, independent of BP bits |
| Hardware Reset Support | Dedicated /RESET pin available on SOIC/TFBGA variants; forces immediate power-on reset regardless of state |
| Discoverable Parameters (SFDP) | Standardized 512-byte SFDP register enables automatic driver configuration without hard-coded timing values |
Applications
| Industrial HMI Display Boot | Automotive ADAS Firmware Storage |
|---|---|
|
Use Scenario: Embedded display controller loads GUI assets and firmware from flash at power-on. IC Role / Device Role / Timing Role: Primary non-volatile code storage with XIP-capable quad SPI interface for zero-latency UI rendering. Use Value: 133MHz quad I/O enables sub-100ms GUI initialization; 4KB sector granularity allows over-the-air partial updates without erasing full image. |
Use Scenario: Radar ECU stores calibrated sensor firmware and runtime configuration tables. IC Role / Device Role / Timing Role: Secure, high-reliability firmware repository with hardware write-protection and unique ID for traceability. Use Value: Three OTP-locked security registers store calibration keys; 100K endurance ensures >15-year field life under frequent update cycles. |
| Medical IoT Sensor Node | Networking Edge Router Bootloader |
|
Use Scenario: Portable diagnostic device logs patient data and stores encrypted firmware patches. IC Role / Device Role / Timing Role: Dual-role storage for persistent telemetry and secure firmware rollback partition. Use Value: Power-down current <1µA extends battery life; 64-bit unique ID enables per-device cryptographic key binding. |
Use Scenario: Enterprise router loads bootloader and fail-safe recovery image from flash during cold start. IC Role / Device Role / Timing Role: Redundant boot storage with hardware /RESET integration for deterministic recovery. Use Value: Hardware reset pin (in SOIC variant) guarantees clean state restoration after brown-out; SFDP auto-negotiates optimal read timing. |
Equivalent & Alternatives
The following parts are listed as comparable options for similar serial NOR flash applications.
| Alternative Part | Technical Difference | Application Difference | Selection Advice |
|---|---|---|---|
| MX25L51245GZC-13G | Same density and 133MHz speed, but lacks hardware /RESET pin and OTP-locked security registers | Suitable for cost-sensitive consumer devices where cryptographic key storage is not required | Prefer W25Q512JVEIQ TR when hardware reset or tamper-resistant key storage is mandatory |
| S25FL512SAGMFI010 | Offers 166MHz QPI mode and HyperBus compatibility, but uses different status register layout and no SFDP | Better for high-throughput streaming applications; requires custom driver adaptation | Choose W25Q512JVEIQ TR for drop-in SPI compatibility, standardized SFDP, and lower system-level validation effort |
Compared with MX25L51245GZC-13G and S25FL512SAGMFI010, the W25Q512JVEIQ TR provides verified hardware /RESET support in its SOIC/TFBGA variants, non-volatile Quad Enable for robust XIP boot, and JEDEC-compliant SFDP for plug-and-play driver initialization - reducing bring-up time and qualification risk in industrial and automotive designs.
Availability
W25Q512JVEIQ TR is available at Aetrix Electronics and suitable for industrial HMI, automotive ADAS, medical IoT, networking edge, and aerospace avionics applications requiring stable component supply, long-term lifecycle assurance, and traceable sourcing.
Supply support for W25Q512JVEIQ 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 high-performance, secure, and space-constrained embedded systems - designed for code shadowing, XIP execution, and firmware storage in industrial, automotive, and medical applications where reliability and standardized interfaces are critical.
FAQ
What is the package type and footprint of W25Q512JVEIQ TR?
W25Q512JVEIQ TR uses an 8-pin WSON (8×6 mm) package with exposed thermal pad (Package Code E). It conforms to JEDEC MO-252 and has a 0.5 mm pitch. This compact footprint supports high-density PCB layouts while maintaining thermal performance through the exposed pad, which must be soldered to a thermal pad on the board for optimal reliability.
Does W25Q512JVEIQ TR support hardware reset, and how is it implemented?
W25Q512JVEIQ TR does not include a dedicated /RESET pin in its WSON 8-pin package. Hardware reset is only available on SOIC-16 and TFBGA variants (e.g., W25Q512JVFIQ). In the W25Q512JVEIQ TR, reset functionality relies solely on software commands (66h + 99h) or power cycling. The /HOLD pin (Pin 7) serves as IO3 in quad mode and cannot substitute for hardware reset.
How is quad SPI mode enabled on W25Q512JVEIQ TR, and is the setting retained after power loss?
Quad SPI mode on W25Q512JVEIQ TR is enabled by setting the Quad Enable (QE) bit in Status Register-2. This bit is non-volatile and retains its state across power cycles, ensuring consistent quad I/O operation at startup without reconfiguration. When QE = 1, /WP and /HOLD pins become IO2 and IO3, respectively - a permanent functional remapping confirmed in the datasheet's Section 4.2 and Figure 1a.
What security mechanisms does W25Q512JVEIQ TR provide for firmware protection?
W25Q512JVEIQ TR provides multiple firmware protection layers: hardware /WP pin locking, volatile/non-volatile status register bits (BPx, TB, CMP), individual sector lock/unlock via 36h/39h instructions, and three 256-byte security registers with OTP lock bits (LB1–LB3). These allow hierarchical protection - from full-array lockdown to per-sector cryptographic key storage - validated in Sections 7.1.8 and 8.2.46–8.2.50 of the datasheet.
Can W25Q512JVEIQ TR be used for execute-in-place (XIP) applications, and what performance can be expected?
Yes, W25Q512JVEIQ TR supports true XIP operation via fast read quad I/O instructions (EBh/ECh), delivering up to 66 MB/s continuous data transfer. With 133 MHz clock and quad bus width, it achieves effective bandwidth exceeding legacy parallel NOR flash, enabling real-time code execution directly from flash in microcontrollers with SPI memory-mapped peripherals - confirmed in Section 1 and Table 9.6 of the datasheet.
W25Q512JVEIQ 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)
W25Q512JVEIQ TR FAQ
1.How can I place an order for W25Q512JVEIQ TR through Aetrix?
Please submit a Request for Quotation (RFQ) for W25Q512JVEIQ 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 W25Q512JVEIQ TR reliable?
The price and inventory of W25Q512JVEIQ TR are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for W25Q512JVEIQ TR is usually 5 days.
3.What payment methods are accepted for W25Q512JVEIQ TR?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for W25Q512JVEIQ TR transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for W25Q512JVEIQ TR?
W25Q512JVEIQ TR orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your W25Q512JVEIQ 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 W25Q512JVEIQ TR?
For technical support, including W25Q512JVEIQ TR datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your W25Q512JVEIQ TR requirements.
6.How does Aetrix verify that W25Q512JVEIQ TR is sourced from the original manufacturer or authorized distributors?
All W25Q512JVEIQ 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 W25Q512JVEIQ TR meets industry standards.
7.What is the process for return or replacement of W25Q512JVEIQ TR?
All W25Q512JVEIQ TR units undergo pre-shipment inspection (PSI). If there is an issue with W25Q512JVEIQ 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 W25Q512JVEIQ TR part is unused and in its original packaging.
Return procedure for W25Q512JVEIQ TR:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
W25Q512JVEIQ TR Tags
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