HT9302 Series 1-Memory/2-Memory Tone/Pulse Dialer .
Holtek Semiconductor Inc
HT9302G - 1-Memory/2-Memory Tone/Pulse Dialer
HT9302 Series 1-Memory/2-Memory Tone/Pulse Dialer Features · Universal specification · Operating voltage: 2.0V~5.5V · Low standby current · Low memory.