The PY25Q128HA is a serial SPI NOR flash memory with 128 megabit capacity, optimized for industrial applications. Featuring high-speed access, low-power operation, and extended temperature support (industrial grade), this memory device provides dependable code and data storage for IoT modules, PLCs, HMI systems, and network equipment. Its robust architecture supports high endurance cycles and stable performance under vibration, shock, and electrical noise.
Features and specifications
- Supply Voltage: 2.7V – 3.6V
- Interface: SPI (Single, Dual, Quad, QPI, DTR)
- SPI Modes Supported: Mode 0, Mode 3
- Page Program Size: 256 Bytes
- Sector Erase Size: 4KB
- Block Erase Sizes: 32KB / 64KB
- Full Chip Erase: Supported
- Security Registers: 3 × 1024 Bytes (OTP)


