HT8665

Single power supply: 4.5V~5.5V 

ADM algorithm 

Auto playback with an echo effect 

DRAM options: ­ 256K 

Sampling rate options: ­ 32K bps (bits per second) -­ 16K bps

Recording capacity: seconds 

A built-in 2 stage microphone amplifier 

A built-in DRAM refresh circuit 

A voltage type D/A outut 

A current type D/A output 

Auto power-off 

Low power dissipation