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Winbond Electronics Corporation W25Q64JVSSJM TR
- Part No.:
- W25Q64JVSSJM TR
- Manufacturer:
- Winbond Electronics Corporation
- Category:
- Memory
- Package:
- 8-SOIC (0.209", 5.30mm Width)
- Datasheet:
-
W25Q64JVSSJM TR.pdf
- Description:
- IC FLASH 64MBIT SPI/QUAD 8SOIC
- Quantity:
- Payment:
- Shipping:
Inventory:3,194
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Product details
Overview
W25Q64JVSSJM TR from Winbond is a 64M-bit (8MB) serial NOR flash memory IC supporting Dual/Quad SPI, QPI, and DTR read modes, operating at 133MHz clock with up to 532MHz equivalent bandwidth. It features uniform 4KB sectors, 100K program-erase cycles, 20-year data retention, and hardware write protection via /WP and /HOLD pins. It is used in embedded boot code storage, firmware updates, and XIP-capable microcontroller systems.
For engineers reviewing the W25Q64JVSSJM TR datasheet, W25Q64JVSSJM TR pinout, W25Q64JVSSJM TR application, or W25Q64JVSSJM TR equivalent, key selection criteria include SPI/QPI/DTR interface support, 4KB sector granularity for parameter storage, hardware reset availability, JEDEC ID/SFDP compliance, and industrial-grade temperature range (-40°C to +85°C).
Technical Context
The W25Q64JVSSJM TR implements a quad I/O SPI architecture with non-volatile Quad Enable (QE) bit in Status Register-2; QE=1 reassigns /WP and /HOLD as IO2 and IO3. It supports standard SPI Mode 0/3, Dual SPI (3Bh/BBh), Quad SPI (6Bh/EBh), QPI (38h/FFh), and DTR variants (0Dh/BDh/EDh), enabling true execute-in-place (XIP) operation with ≤8-clock instruction overhead.
Its memory array comprises 32,768 × 256-byte pages, organized into 2,048 erasable 4KB sectors and 64 erasable 64KB blocks. Erase/program suspend/resume, security registers (3×256B OTP-lockable), and 64-bit unique ID are implemented in dedicated on-die logic - not emulated via software or external controllers.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| Memory Density | 64 M-bit (8 MB) - sufficient for full MCU boot images and firmware binaries in space-constrained designs. |
| Interface Modes | Standard/Dual/Quad SPI, QPI, and DTR - enables flexible host controller compatibility and scalable throughput from 133MHz to 532MHz equivalent. |
| Max Clock Frequency | 133 MHz - supports 66 MB/s continuous read rate, outperforming parallel flash in pin-count–constrained applications. |
| Erase Granularity | 4 KB sectors (2,048 total) - allows fine-grained firmware partitioning and secure parameter storage without disturbing adjacent code. |
| Endurance & Retention | 100,000 program-erase cycles per sector; >20 years data retention - meets industrial lifecycle requirements without refresh management. |
| Operating Voltage | 2.7 V to 3.6 V - compatible with 3.3 V logic families and tolerant of supply rail variation in embedded power domains. |
| Temperature Range | -40°C to +85°C - qualified for industrial environments including factory automation and outdoor edge nodes. |
| Power-Down Current | 1 µA (typ.) - enables ultra-low-power sleep states in battery-backed or energy-harvested systems. |
Pinout & Package
W25Q64JVSSJM TR uses an 8-pin SOIC 208-mil package (Package Code SS), with exposed pad omitted. Pin functions are validated per Winbond datasheet Rev. J Section 3.3 and 4.1–4.6.
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| 1 /CS | Chip Select Input | Active-low enable; high-impedance DO and low-power standby when deasserted; required high-to-low transition after power-up to accept commands. |
| 2 DO (IO1) | Data Output / Bidirectional I/O | Unidirectional output in Standard SPI; becomes bidirectional IO1 in Dual/Quad SPI/QPI; high-impedance during /HOLD assertion. |
| 3 /WP (IO2) | Write Protect Input / Bidirectional I/O | Hardware lock for status register writes when QE=0; repurposed as IO2 in Quad mode; must be pulled high if unused in Quad configuration. |
| 4 GND | Ground Reference | Primary return path for VCC and all I/O signals; requires low-impedance PCB connection to minimize noise coupling into SPI timing margins. |
| 5 DI (IO0) | Data Input / Bidirectional I/O | Unidirectional input in Standard SPI; becomes bidirectional IO0 in Dual/Quad SPI/QPI; carries instructions, addresses, and data on CLK rising edge. |
| 6 CLK | Serial Clock Input | Edge-triggered timing reference for all SPI operations; supports Mode 0 (CLK idle low) and Mode 3 (CLK idle high); max 133 MHz frequency. |
| 7 /HOLD (IO3) | Hold Input / Bidirectional I/O | Pauses ongoing read/write while /CS active; repurposed as IO3 in Quad mode; active-low with internal pull-down; float if unused in Quad config. |
| 8 VCC | Power Supply | 2.7–3.6 V supply; bypass capacitor (≥1 µF ceramic) required near pin to suppress switching noise affecting read stability and erase reliability. |
Key Features
| Feature | Design Value |
|---|---|
| Quad Peripheral Interface (QPI) | Reduces instruction overhead to single-byte opcodes, enabling faster command throughput and deterministic latency for real-time firmware loading. |
| Erase/Program Suspend & Resume | Allows background interrupt servicing during long erase cycles (e.g., 64KB block erase ~200 ms), preserving system responsiveness without data loss. |
| Security Registers (3×256B) | OTP-lockable storage for cryptographic keys or calibration data; prevents unauthorized readback or overwrite even after full chip erase. |
| JEDEC SFDP Register | Standardized, self-describing parameter table accessible via 5Ah command - eliminates hardcoded timing assumptions in bootloader initialization. |
| 64-Bit Unique ID | Factory-programmed per-device serial number readable via 4Bh command - enables secure device identity binding in IoT firmware authentication flows. |
| Continuous Read with Wrap | Supports 8/16/32/64-byte burst wrap modes - eliminates address rollover overhead and enables seamless streaming of contiguous firmware segments. |
Applications
| Industrial PLC Firmware Storage | Automotive ADAS Boot Memory |
|---|---|
|
Use Scenario: Storing certified firmware images and safety-critical bootloaders in programmable logic controllers deployed in factory-floor environments. IC Role / Device Role / Timing Role: Primary non-volatile boot memory providing XIP-capable code execution and atomic firmware update via 4KB sector erase. Use Value: 100K endurance and -40°C to +85°C rating ensure reliable operation across thermal cycling and vibration; SFDP enables auto-adaptive timing calibration. |
Use Scenario: Hosting boot code and sensor fusion algorithms for automotive camera/radar ECUs requiring ASIL-B–compliant storage integrity. IC Role / Device Role / Timing Role: Secure, high-speed flash memory supporting dual-image fail-safe boot and encrypted firmware validation. Use Value: 64-bit unique ID enables hardware-rooted attestation; security registers store decryption keys protected by OTP locks. |
| Medical Device Parameter Storage | Smart Meter Firmware & Calibration Data |
|
Use Scenario: Retaining calibrated sensor offsets, user preferences, and audit logs in portable diagnostic equipment with infrequent but critical updates. IC Role / Device Role / Timing Role: Parameter storage device leveraging 4KB sector granularity to isolate calibration data from application code updates. Use Value: Hardware /WP pin + BP bits provide tamper-resistant write protection; 20-year retention guarantees data validity over device lifetime. |
Use Scenario: Storing tariff tables, communication stack binaries, and metrology calibration constants in utility smart meters deployed outdoors for 15+ years. IC Role / Device Role / Timing Role: Long-life firmware and configuration memory with field-upgradable partitions managed via sector-level erase control. Use Value: Uniform 4KB sectors allow independent update of tariff vs. stack vs. calibration data; low 1µA power-down extends battery life in AMI modules. |
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 |
|---|---|---|---|
| MX25L6433FZNI-10G | 64Mb density, 104MHz max clock, no DTR support, lacks QPI mode and SFDP register. | Lower bandwidth limits suitability for XIP-heavy applications; no standardized parameter discovery increases bootloader complexity. | Select when cost sensitivity outweighs need for DTR/QPI and SFDP-driven flexibility. |
| S25FL164K0XMFI010 | 64Mb density, 80MHz max clock, supports HyperBus interface (not SPI/QPI), includes ECC engine. | HyperBus requires different controller IP; ECC adds overhead but improves reliability in high-radiation environments. | Select only when paired with Cypress/Infineon HyperFlash–capable SoCs and ECC-driven reliability is mandatory. |
Compared with MX25L6433FZNI-10G and S25FL164K0XMFI010, W25Q64JVSSJM TR delivers higher bandwidth (133MHz vs. 104/80MHz), broader protocol coverage (DTR/QPI/SFDP), and finer 4KB sector control - making it optimal for modern XIP-based embedded systems requiring field-upgradable, secure, and thermally robust firmware storage.
Availability
W25Q64JVSSJM TR is available at Aetrix Electronics and suitable for industrial PLC firmware storage, automotive ADAS boot memory, and medical device parameter storage requiring stable component supply, long-term lifecycle assurance, and traceable sourcing.
Supply support for W25Q64JVSSJM 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 W25QxxJV family was designed for high-reliability embedded systems requiring fast, secure, and flexible code and data storage - emphasizing XIP capability, industrial temperature operation, and standardized parameter discovery via SFDP.
FAQ
What interface protocols does the W25Q64JVSSJM TR support?
The W25Q64JVSSJM TR supports Standard SPI (Mode 0/3), Dual SPI, Quad SPI, Quad Peripheral Interface (QPI), and Double Transfer Rate (DTR) read modes. QPI requires issuing the 38h "Enter QPI" command; DTR variants (e.g., 0Dh, BDh, EDh) require DTR-capable host controllers and proper setup of the HOLD/RST bit in Status Register-3. All modes operate within the same 8-pin SOIC package without hardware modification.
Does the W25Q64JVSSJM TR include hardware reset functionality?
No - the W25Q64JVSSJM TR uses an 8-pin SOIC 208-mil package (SS), which does not include a dedicated /RESET pin. Reset is supported only via software command (66h + 99h) or, when QE=0, by repurposing the /HOLD pin as /RESET using Status Register configuration. For hardware reset, Winbond offers alternate packages like SOIC-16 (SF) or TFBGA (TB) with dedicated /RESET pins.
How is write protection implemented on the W25Q64JVSSJM TR?
W25Q64JVSSJM TR implements multi-layer write protection: hardware via the /WP pin (active-low, effective only when QE=0), and software via Block Protect (BP2–BP0), Top/Bottom (TB), Sector Protect (SEC), and Complement Protect (CMP) bits in Status Registers 1–3. SRP/SRL bits lock register writes. Protection granularity ranges from individual 4KB sectors to full chip, with volatile/non-volatile persistence configurable per bit.
What is the purpose of the SFDP register in the W25Q64JVSSJM TR?
The SFDP (Serial Flash Discoverable Parameters) register in W25Q64JVSSJM TR is a standardized, read-only 256-byte table (accessed via 5Ah command) that describes device-specific timing, erase, and programming parameters. It enables host bootloaders to auto-configure SPI timing without hardcoding values - improving interoperability across flash vendors and simplifying firmware portability across hardware revisions.
Can the W25Q64JVSSJM TR be used for execute-in-place (XIP) applications?
Yes - W25Q64JVSSJM TR supports true XIP via Continuous Read Mode with ≤8-clock instruction overhead and wrap-length options (8/16/32/64 bytes). Combined with Quad SPI or QPI interfaces delivering up to 532MHz equivalent bandwidth, it enables deterministic code fetch directly from flash, eliminating RAM copy latency in resource-constrained MCUs such as ARM Cortex-M7 or RISC-V cores.
W25Q64JVSSJM TR Specifications
- Product attributes
- Attribute value
- Manufacturer:
- Winbond Electronics Corporation
- Series:
- SpiFlash®
- Package/Case:
- 8-SOIC (0.209", 5.30mm Width)
- Packaging:
- Tape & Reel (TR)
- Product Status:
- Active
- Programmable:
- Not Verified
- Memory Type:
- Non-Volatile
- Memory Format:
- FLASH
- Technology:
- FLASH - NOR
- Memory Size:
- 64Mbit
- Memory Organization:
- 8M x 8
- Memory Interface:
- SPI - Quad I/O
- Clock Frequency:
- 133 MHz
- Write Cycle Time - Word, Page:
- 3ms
- Access Time:
- -
- Voltage - Supply:
- 2.7V ~ 3.6V
- Operating Temperature:
- -40°C ~ 105°C (TA)
- Grade:
- -
- Qualification:
- -
- Mounting Type:
- Surface Mount
- Supplier Device Package:
- 8-SOIC
W25Q64JVSSJM TR FAQ
1.How can I place an order for W25Q64JVSSJM TR through Aetrix?
Please submit a Request for Quotation (RFQ) for W25Q64JVSSJM 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 W25Q64JVSSJM TR reliable?
The price and inventory of W25Q64JVSSJM TR are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for W25Q64JVSSJM TR is usually 5 days.
3.What payment methods are accepted for W25Q64JVSSJM TR?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for W25Q64JVSSJM TR transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for W25Q64JVSSJM TR?
W25Q64JVSSJM TR orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your W25Q64JVSSJM 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 W25Q64JVSSJM TR?
For technical support, including W25Q64JVSSJM TR datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your W25Q64JVSSJM TR requirements.
6.How does Aetrix verify that W25Q64JVSSJM TR is sourced from the original manufacturer or authorized distributors?
All W25Q64JVSSJM 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 W25Q64JVSSJM TR meets industry standards.
7.What is the process for return or replacement of W25Q64JVSSJM TR?
All W25Q64JVSSJM TR units undergo pre-shipment inspection (PSI). If there is an issue with W25Q64JVSSJM 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 W25Q64JVSSJM TR part is unused and in its original packaging.
Return procedure for W25Q64JVSSJM TR:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
W25Q64JVSSJM TR Tags
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M24C02-WMN6TP
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