| Memory Type | Serial NOR Flash (SPI / Dual SPI / Quad SPI) |
| Density | 32 Mbit (4 Mbyte) |
| Organization | 16,384 page 256 bytes; 1,024 × 4 KB sectors; 64 × 64 KB blocks |
| Clock Frequency | 133 MHz (Standard, Dual and Quad SPI) |
| Data Rate | Up to 532 MHz equivalent in Quad I/O; 66 MB/s continuous read |
| Endurance | 100,000 program/erase cycles per sector (min.) |
| Data Retention | 20 years (min.) |
| Supply Voltage | 2.7 V to 3.6 V |
| Operating Temperature | -40 °C to +85 °C (Industrial grade I) |
| Security | 64-bit unique ID, SFDP register, 3 × 256-byte security registers, software/hardware write protect |
| Package Details | 8-pin SOIC (208-mil wide body), 1.27 mm pitch |
Winbond Electronics
