HT8665 Datasheet - Holtek Semiconductor

HT8665 Talking Back

The HT8665 is a single chip CMOS LSI using an ADM algorithm. It is designed for applications on talking back with an echo effect. Functions of the IC consist of recording/playing and auto power off in addition to an echo effect. The IC starts recording when a sound input is detected, and stops to pl.

HT8665 Features

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* Single power supply: 4.5V~5.5V ADM algorithm Auto playback with an echo effect DRAM options:

* 64K

* 256K Sampling rate options:

* 32K bps (bits per second)

* 16K bps

HT8665_HoltekSemiconductor.pdf