Basic Product Information
Part Number: W25Q128JVSIQ
Core Electrical Parameters
| Parameter |
Value |
Unit |
| Memory Capacity |
128M-bit / 16M-byte |
– |
| Organization |
65,536 pages x 256 bytes |
– |
| SPI Clock Frequency (max) |
133 |
MHz |
| Dual SPI Equivalent Clock |
266 |
MHz |
| Quad SPI Equivalent Clock |
532 |
MHz |
| Continuous Read Transfer Rate |
66 |
MB/s |
| Supply Voltage |
2.7 to 3.6 |
V |
| Power-down Current (typ) |
<1 |
μA |
| Page Program Time (typ) |
0.7 |
ms |
| Sector Erase Size |
4K / 32K / 64K |
Bytes |
| Erase/Program Endurance |
100,000 |
Cycles per sector |
| Data Retention |
>20 |
Years |
| Max Random Access Time |
6 |
ns |
| Security Registers |
3 x 256 bytes with OTP locks |
– |
| Unique ID |
64-bit factory-programmed |
– |
| SFDP Register |
Yes (JEDEC) |
– |
| Operating Temperature |
-40 to +85 |
°C |
Core Features & Advantages
The W25Q128JVSIQ delivers 128M-bit high-performance SPI flash storage with Dual/Quad SPI capability, enabling code-shadowing and execute-in-place (XIP) operations that outperform standard parallel flash.
- Primary Function: 128M-bit SPI NOR Flash memory supporting Standard, Dual, and Quad SPI interfaces for high-speed code storage and data logging in embedded systems.
- Advantages:
- Quad SPI at 532MHz equivalent — delivers up to 66MB/s continuous data transfer, enabling fast boot and XIP without migrating to parallel flash architectures.
- Flexible 4KB sector erase — supports 4K/32K/64K erase granularity plus erase/program suspend-resume, ideal for mixed code-and-data partitions with frequent parameter updates.
- Advanced security features — 64-bit unique ID, 3×256-byte security registers with OTP locks, individual block/sector write protection, and power-supply lock-down for firmware IP protection.
Typical Application Scenarios
- Industry: Consumer Electronics / Industrial / Automotive / IoT
- Equipment: MCU-based embedded systems, set-top boxes, routers, wearables, industrial controllers
- Use Cases:
- Firmware and bootloader storage for ARM Cortex-M/RISC-V MCUs requiring fast XIP boot via Quad SPI.
- Parameter and log data storage in industrial controllers with 4KB sector granularity and 100K cycle endurance.
- Consumer device firmware with secure OTA update support using security registers and write-protection schemes.
Market Reference Price
| Market |
Price Range |
Currency |
| Huaqiangbei Spot |
$0.40 – $0.80 |
USD |
| Overseas B2B |
$0.55 – $1.20 |
USD |
Related Models Comparison
| Model |
Difference |
Application |
| W25Q64JVSSIQ |
64M-bit (half density), same SPI/Quad interface, SOIC-8 208-mil package |
Cost-sensitive designs requiring 8MB or less code space |
| W25Q256JVSIQ |
256M-bit (double density), 4-byte addressing, same Quad SPI |
Large firmware images, data logging requiring >32MB |
| W25Q128JVSIM |
Same 128M-bit die in SOIC-16 package with dedicated /RESET pin |
Systems requiring hardware reset control pin |
