HT97220
Headphone amplifier/line driver (Heroic)
HT97226
160mW CAP FREE STEREO HEADPHONE AMPLIFIER (Heroic)
HT97230
Headphone amplifier/line driver (HEROIC)
HT97180
Headphone Amplifiers (Heroic)
HT97180L
Headphone Amplifiers (Heroic)
HT9011
FM IF Detector (Holtek Semiconductor Inc)
HT9015
RF Single Chip for Cordless Phone (Holtek Semiconductor Inc)
HT9020
Call Progress Tone Decoder & ABR Controller (Holtek Semiconductor)
HT9020B
Call Progress Tone Detector (Holtek Semiconductor)
HT9030
Calling Line Identification Receiver (Holtek Microelectronics)