All ProductsHoltekSemiconductorsIntegrated Circuits (ics)Microcontrollers HOLTEK SemiconductorsIntegrated Circuits (ics)Microcontrollers HT49R10A-1 MFR. Name: Holtek HT49R30A-1 SSOP, SSOP48,.4 MFR. Name: Holtek HT49R70A-1 QFP, QFP100,.75X.99 MFR. Name: Holtek HT66F004 20SSOP, 150MIL, Embedded Microcontroller MFR. Name: Holtek HT66F0185-24SSOP core, Embedded Microcontroller MFR. Name: Holtek