HT97180
Headphone Amplifiers (Heroic)
HT97220
Headphone amplifier/line driver (Heroic)
HT97220L
Headphone amplifier/line driver (Heroic)
HT97226
160mW CAP FREE STEREO HEADPHONE AMPLIFIER (Heroic)
HT97230
Headphone amplifier/line driver (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)