1T may refer to: One-T, a French electronic musical project 1T-SRAM, a type of pseudostatic random-access memory 1T DRAM, a type of Dynamic random-access memory SSH 1T, alternate designation for Washington State Route 501 1T-TaS2, the only transition-metal dichalcogenide known to develop the Mott phase 1T, a model of Chevrolet Chevette 1-T, a synthetic anabolic–androgenic steroid See also Trillion (disambiguation) T1 (disambiguation)