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SOP-8 (208-mil) · W25Q64JV
Active64Mbit SPI NOR Flash
W25Q64JV
Winbond · SOP-8 (208-mil) · 64Mbit SPI NOR Flash
Price on Request
Get a competitive quote within 24 hours. Volume discounts available. Shenzhen stock ships in 1-2 business days.
Overview
The W25Q64JV is the 64 Mbit (8 MB) member of Winbond's W25QxxJV serial NOR flash family — the sweet spot for designs that need room for dual OTA firmware images, a file system, and assets without moving to a parallel flash or eMMC. Like its siblings it runs from 2.7 V to 3.6 V and supports standard SPI, Dual SPI, Quad SPI and QPI instruction sets clocked up to 133 MHz, delivering the bandwidth needed for execute-in-place operation on ESP32, STM32, nRF and FPGA hosts.
The memory organizes into 2048 erasable 4 KB sectors, with 32 KB and 64 KB block erase options, 256-byte page programming, and 100,000-cycle endurance backed by 20-year data retention. Feature set includes 3 x 256-byte security registers for keys and per-device data, a factory-programmed unique 64-bit serial number, programmable write protection down to quarter-array granularity via status bits plus the WP# pin, HOLD# support, and erase/program suspend-resume so a high-priority read never waits behind a long erase. Packages include the 208-mil SOP-8, SOIC-8 (150-mil), WSON-8 and BGA-24 for space-constrained assemblies.
Counterfeit exposure in SPI NOR is the category's defining sourcing risk, and the 64 Mbit density sits squarely in the relabeling sweet spot: remarked W25Q32 parts sold as W25Q64 are the most common fraud. Verify by reading the JEDEC ID (Winbond 0xEF, W25Q64JV = 0x4017) and probing near the 8 MB boundary with unique patterns — a 4 MB die aliases or ignores writes beyond its real capacity. Genuine parts carry crisp Winbond laser etching and traceable date codes. Shenzhen stock is deep with MOQ from cut tape to 2,000-pc reels.
Key Features
- 64 Mbit (8 MB) serial NOR flash — room for dual OTA images plus filesystem
- SPI / Dual / Quad / QPI up to 133 MHz, 2.7-3.6 V supply, XIP ready
- 2048 × 4 KB sectors, 32/64 KB blocks, 256-byte pages, suspend/resume
- Unique 64-bit serial number, 3 security registers, granular write protect
Typical Applications
- Dual-bank OTA firmware storage in IoT gateways and smart appliances
- ESP32/ESP32-S3 expansion flash for assets and NVS partitions
- Embedded GUI font, image and audio asset storage
- Rugged dataloggers and black-box recorders
- Network equipment configuration and boot image storage
Specifications
- Density
- 64 Mbit (8 MB)
- Interface
- SPI / Dual SPI / Quad SPI (QPI)
- Max Clock Frequency
- 133 MHz
- Supply Voltage
- 2.7 to 3.6 V
- Erase Granularity
- 4 KB sectors / 32 KB and 64 KB blocks
- Endurance
- 100000 erase/write cycles
- Data Retention
- 20 years
- Operating Temperature
- -40 to 85 °C
- Pins
- 8
- RoHS
- Compliant
Procurement Tips
Because remarked-capacity fraud concentrates on 64 and 128 Mbit parts, insist on JEDEC-ID and boundary-pattern test reports with every lot — and price-check any offer dramatically under Winbond channel levels before committing a reel.
Frequently Asked Questions
What is the difference between W25Q64JV and W25Q64FW?
Density is identical (64 Mbit); the supply differs. JV is the 2.7-3.6 V standard-voltage part, FW is the 1.65-1.95 V low-voltage family for 1.8 V rails. The instruction sets are near-identical but JEDEC IDs differ — do not mix them on a 3.3 V bus.
How do I verify a W25Q64JV is not a relabeled W25Q32?
Three steps: read JEDEC ID (must return 0xEF 0x40 0x17), erase and write unique patterns at addresses above 4 MB and read back after power cycle, then repeat at 8 MB-1. A remarked 32 Mbit die wraps or fails beyond 0x3FFFFF. Re-tinned used chips additionally show worn pads and inconsistent date-code fonts.
Can the W25Q64JV replace the W25Q64FV in existing firmware?
In the overwhelming majority of designs, yes. The JV keeps the FV command set and JEDEC family ID pattern (0x4017 vs 0x4016-era differences aside — verify your driver checks full IDs), and adds QPI and suspend/resume capabilities. Test your bootloader if it hard-codes device-ID checks.
What file systems work well on the W25Q64JV?
LittleFS is the modern default for MCUs (power-loss resilient, wear-leveling, tiny RAM footprint); SPIFFS remains on legacy ESP-IDF builds; FatFs works when the data must be read by PCs, at the cost of wear-leveling. With 100k-cycle endurance and 2048 sectors, all three are comfortably supported.
How long does a full-chip erase take?
Chip erase on the W25Q64JV is typically 25 seconds with a 200-second maximum — use 64 KB block erases (~150 ms typical) during normal operation and reserve chip erase for factory provisioning. Suspend/resume lets reads interrupt long erases.
Is 133 MHz achievable in practice?
On standard SPI yes with a clean layout; quad output/dual IO reads also run to 133 MHz. Most MCU SPI controllers cap below that (ESP32 at 80 MHz, STM32 at SPI peripheral clock limits), so plan timings around your host, not the flash.
What is the MOQ and lead time?
MOQ 1 reel (2,000 pcs SOP-8 208-mil) or 100 pcs cut tape. Shenzhen stock ships in 1-2 business days; Winbond channel replenishment is 8-14 weeks during allocation.
Alternatives & Equivalents
24LC256
Microchip Technology
alternative
W25Q32JV
Winbond
upgrade alternative
W25Q128JV
Winbond
upgrade alternative
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