- CD22202
Power DTMF Receiver - CD2220202
Power DTMF Receiver - CD22202E
Power DTMF Receiver - CD22203
Power DTMF Receiver - CD22203E
Power DTMF Receiver - CD22204
Power Subscriber DTMF Receiver - CD2220402
Power Subscriber DTMF Receiver - CD22204E
Power Subscriber DTMF Receiver - CD22204M
5V low power subscriber DTMF receiver - CD22212
- CD22212E
- CD22212E1
CMOS SINGLE CHIP 1200BPS MODEM - CD22212Q