General Description

The HT8955A is a CMOS LSI digital audio signal delay processor. It is designed for audio system applications including echo generators, karaoke systems, sound effect generators, etc.

Features

• Operating voltage: 5.0V

• Long delay time

– 0.8 seconds (SEL=VSS, 256K DRAM)

– 0.2 seconds (SEL=VDD/open, 64K DRAM)

• 25kHz sampling rate

• Continuous variable delay time

• Built-in pre-amplifier

• Low distortion

• High S/N ratio

• Wide frequency response

• PCM 10-bit A/D and D/A converters

• 24-pin DIP package

Applications

• Mixers

• Karaoke systems

• Echo generators

• Sound effect generators