TPSMC6.8 TPSMC6.8A TPSMC6.8A81HE3_A/I TPSMC6.8A81HE3_B/I TPSMC6.8A-E3/57T TPSMC6.8AHE3/57T TPSMC6.8AHE3/9AT TPSMC6.8AHE3_A/H TPSMC6.8AHE3_A/I TPSMC6.8AHE3_AH