The S29GL01GT12DHVV20 is a 1 Gb (128 MB) MIRRORBIT™ flash memory device with 3.0 V core and I/O voltage from 1.65 V to 3.6 V. It delivers random access times down to 120 ns and page access times of 15 ns, supporting ×8/×16 data bus operation. Uniform 128 KB sector architecture, 512-byte programming buffer, and internal ECC ensure robust data integrity. Rated for 100,000 program/erase cycles and 20-year data retention, it operates from -40°C to +105°C.