Product Overview
The W25Q128JWSIQ is a 128Mbit (16MB) SPI NOR Flash memory from Winbond operating at 1.7V to 1.95V (1.8V class) with Quad SPI interface and 133 MHz maximum clock. It features 4KB uniform sectors, Dual/Quad I/O for high throughput, and execute-in-place (XiP) capability. Packaged in an 8-pin SOIC-208mil, it is ideal for low-voltage embedded systems requiring high-density code and data storage.
Key Specifications
| Density | 128Mbit (16MB) |
| Interface | SPI / Dual SPI / Quad SPI |
| Supply Voltage | 1.7V to 1.95V |
| Max Clock Frequency | 133 MHz (STR) |
| Sector Size | 4KB uniform |
| Block Size | 32KB / 64KB |
| Page Size | 256 bytes |
| Page Program Time | 3 ms typ. |
| Erase Cycles | 100,000 |
| Data Retention | 20 years |
| Operating Temp | -40°C to +85°C |
| Package | SOIC-8 (208mil) |
| Part Status | Active |
Features
- 128Mbit SPI NOR Flash at 1.8V (1.7~1.95V)
- Quad SPI interface with 133 MHz STR clock
- Dual Output and Dual I/O for 2x throughput
- Quad Output and Quad I/O for 4x throughput
- Execute-in-Place (XiP) support
- 4KB uniform sector, 32KB/64KB block erase
- One-Time Programmable (OTP) region
- Deep power-down mode for ultra-low standby
- SFDP and unique ID support
- 100,000 program/erase cycles, 20-year retention
Applications
- Low-voltage MCU firmware storage
- Wearable and IoT device code memory
- Tablet and smartphone embedded storage
- AI and smart home device firmware
- Server and notebook BIOS