The GD5F1GQ5REYIGR is a WSON-8(6x8) NAND Flash memory device manufactured by Gigadevice. It is RoHS compliant and is made of a high-density, single-level cell (SLC) NAND Flash memory, offering optimal performance and high reliability. The device provides 4KB block size, program and erase operations with single-cycle code and randomizer for industrial-grade data retention, and supports command-based 4-bit ONFI 2.1 and Toggle DDR 1.2 interfaces. It also has an advanced multiple-bit error correction code (ECC) algorithm for more reliable data storage.