W25Q64JVSSIG - 64Mb SPI Flash 133MHz Industrial | Winbond
MPN: W25Q64JVSSIG β Active| Qty | Unit Price | Extended |
|---|---|---|
| 1 | $0.85 | $0.85 |
| 10 | $0.72 | $7.20 |
| 100 | $0.58 | $58.00 |
| 500 | $0.49 | $245.00 |
| 1,000 | $0.42 | $420.00 |
Drop-in alternatives for W25Q64JVSSIG β same package, pin-to-pin compatible. Different-package parts requiring PCB rework are excluded.
Quick Comparison Tool β Select alternative parts for side-by-side comparison:
W25Q64JVSSIQ
β Drop-Inπ Reference alternative (not in catalog)
W25Q64JVSSIM
β Drop-Inπ Reference alternative (not in catalog)
W25Q64JVSSJQ
β Drop-Inπ Reference alternative (not in catalog)
GD25Q64CSIG
β Drop-Inπ Reference alternative (not in catalog)
MX25L6445EMI-10G
β Drop-Inπ Reference alternative (not in catalog)
W25Q64JVSSIG Maximum Ratings & Electrical Characteristics
| Memory Size | 64 Mbit (8 MB) |
| Memory Type | NOR Flash |
| Interface | SPI Dual/Quad, QPI, DTR |
| Max Clock Frequency | 133 MHz |
| Supply Voltage | 2.7 V to 3.6 V (3V class) |
| Page Size | 256 bytes |
| Sector Size | 4 KB |
| Block Size | 32 KB / 64 KB |
| Operating Temperature | -40C to +85C (industrial) |
| Package | SOP-8 (208 mil, SS) |
| Mounting Type | Surface Mount |
| Program Time | [DATA_NEEDED: page program time] |
| Standby Current | [DATA_NEEDED: standby current] |
| Write Protection | Hardware + software WP |
| Unique ID | 64-bit unique serial number |
| RoHS Status | [DATA_NEEDED: RoHS status] |
| Endurance | [DATA_NEEDED: program/erase cycles] |
W25Q64JVSSIG Pin Configuration
| Pin 1 | /CS β Chip select (active low) |
| Pin 2 | DO (IO1) β Serial data output / quad IO1 |
| Pin 3 | /WP (IO2) β Write protect / quad IO2 |
| Pin 4 | GND β Ground |
| Pin 5 | DI (IO0) β Serial data input / quad IO0 |
| Pin 6 | CLK β Serial clock input, up to 133 MHz |
| Pin 7 | /HOLD (IO3) β Hold / quad IO3 |
| Pin 8 | VCC β Power supply, 2.7V to 3.6V |
Safe Operating Area (SOA) & Thermal Characteristics
No official SOA curve available for this digital IC. Always operate within absolute maximum ratings specified in the datasheet. Ensure adequate cooling and derate as needed.
Typical Applications
W25Q64JVSSIG is suitable for 6 applications: MCU Code and Firmware Storage, Wi-Fi and IoT Module Firmware, Industrial Control and PLC Systems, BIOS/UEFI Storage on Embedded PCs, Display and Graphics Systems, Automotive and telematics data loggers.
MCU Code and Firmware Storage
The W25Q64JVSSIG stores bootloader and application code for microcontroller systems, offering 8MB of externally memory-mapped XIP storage over quad SPI at 133 MHz. Its 4KB sectors allow granular firmware section management, while the 256-byte page program supports efficient incremental writes. Quad-mode reads deliver up to 532 Mbps effective throughput, minimizing code-copy time to RAM at boot. Place 0.1uF decoupling on VCC and enable the QE bit in the status register for quad operation.
Recommended
Wi-Fi and IoT Module Firmware
Wireless SoCs such as the ESP32 family pair directly with W25Q-class 64Mb flash for firmware and file-system storage, and the W25Q64JVSSIG's industrial -40C to +85C range suits outdoor and unattended IoT nodes. Quad SPI at 133 MHz keeps cache-miss penalties low during XIP execution, while deep power-down mode preserves battery life in duty-cycled sensor nodes. The 64-bit unique ID also serves as a device identity for cloud provisioning and security schemes.
Recommended
Industrial Control and PLC Systems
In industrial controllers, the W25Q64JVSSIG stores firmware, parameter tables, and logs where the industrial temperature grade (-40C to +85C) and G-suffix reliability flow ensure dependable operation on factory floors. Its hardware write protection plus individual block lock-down prevents accidental corruption of boot code during field updates, and 100K-class sector endurance handles frequent parameter logging. Pair with TI C2000-class DSPs that boot from external SPI flash.
Recommended
BIOS/UEFI Storage on Embedded PCs
Embedded x86 and ARM single-board computers use SPI NOR flash for BIOS/UEFI storage, and 64Mb is the mainstream density for modern firmware images. The W25Q64JVSSIG's QPI and DTR modes accelerate boot-time reads, and JEDEC SFDP standard identification lets host chipsets auto-configure timing. Hardware /WP allows read-only lockdown of the boot region for tamper resistance. Ensure the host SPI controller supports 133 MHz quad timing for maximum performance.
Recommended
Display and Graphics Systems
TFT/OLED display modules use SPI NOR flash to store fonts, icons, and compressed bitmaps; the W25Q64JVSSIG's 8MB capacity holds substantial image assets while quad SPI reads at 133 MHz stream graphics data fast enough for UI refresh. Random-address random access of NOR architecture enables instant glyph lookup without sequential scan overhead. The low standby current suits always-on smart-home panels and appliance HMIs.
Recommended
Automotive and telematics data loggers
Data loggers in vehicles and telematics units record sensor traces to SPI NOR flash, benefiting from the W25Q64JVSSIG's wide -40C to +85C industrial range and 8MB capacity for extended logging sessions. Fast quad reads let controllers upload logs over CAN or LTE quickly, while software write protection protects calibration data regions. For safety-critical automotive designs, verify grade requirements against AEC-Q100 qualified alternatives before final selection.
Recommended
Recommended Products Summary
Engineering reference data for W25Q64JVSSIG β comparison, design guidance, and compliance information.
Selection Guide
Comparison with Alternatives
| Parameter | This Product | W25Q64JVSSIQ | W25Q64JVSSIM | GD25Q64CSIG | W25Q64JVZEIQ |
|---|---|---|---|---|---|
| Package | SOIC-8 (208 mil) | SOIC-8 - same | SOIC-8 - same | SOIC-8 - same | WSON-8 - different |
| Brand | Winbond Electronics | Winbond Electronics | Winbond Electronics | GigaDevice | Macronix |
| Density | 64 Mbit (8 MB) | 64 Mbit | 64 Mbit | 64 Mbit | 64 Mbit |
| Max Clock Frequency | 133 MHz (quad SPI) | 133 MHz | 133 MHz | 120-133 MHz | 104-133 MHz |
| Supply Voltage | 2.7 V to 3.6 V | 2.7 V to 3.6 V | 2.7 V to 3.6 V | 2.65 V to 3.6 V | 2.7 V to 3.6 V |
| Operating Temperature | -40C to +85C | [DATA_NEEDED] | [DATA_NEEDED] | -40C to +85C | -40C to +85C |
| QPI/DTR Support | Yes | Yes | Yes | No (quad SPI only) | No (quad SPI only) |
| Drop-in Compatible | - | Yes - pin-to-pin | Yes - pin-to-pin | Yes - JEDEC pinout | No - WSON package |
Key Differentiators
- QPI and DTR support (vs GD25Q64CSIG)
- Identical die migration path (vs W25Q64JVZEIQ)
- Documented cross-brand second source (vs MX25L6445EMI-10G)
Design Notes
Place a 0.1uF ceramic decoupling capacitor within 2mm of the VCC pin (pin 8) to GND (pin 4), plus a 10uF bulk capacitor near the supply entry. Keep CLK traces short (< 50mm) and route away from noisy switching regulator nodes. For 133 MHz quad operation, maintain controlled impedance on CLK and IO0-IO3 with series termination (22-33 ohm) at the driver if trace lengths exceed 30mm.
Quad mode requires setting the QE bit (status register bit S9) before quad commands function; on W25Q parts the QE bit is typically factory-set, but verify via JEDEC ID read (9Fh) and status read (05h) during production test. When second-sourcing to GD25Q64, confirm the QE bit default and SFDP table contents - firmware that assumes factory QE settings may fail on alternate brands.
Use the /HOLD pin with a pull-up resistor (10 kohm) to prevent accidental hold entry during SPI bus sharing. Tie /WP via a pull-up for normal operation, or drive it from a supervisor GPIO for hardware write protection of boot sectors. Never leave /CS floating - a 10 kohm pull-up prevents spurious commands from bus noise during MCU reset.
Compliance Information
Compliance status not specified in provided web data; consult Winbond product page for current RoHS/REACH declarations.
