Telecommunications Interface ICs

CMX602B Calling Line Identifier Plus Type 2, Call Waiting
Zero-power ring or line reversal detector and FSK demodulator with data retiming
High sensitivity CAS tone detection and low CAS tone falsing in call waiting mode
2.7V, 0.5mA low power operation in a 16 pin SOIC or TSSOP package
CMX612 Calling Line Identifier Plus Visual Message Waiting Indicator
Similar features to CMX602B with the inclusion of visual message waiting indicator
Both CLASS, FSK and Stuttered dial tone, VMWI modes supported
2.7V, 0.5mA low power operation in a 20 pin TSSOP package
CMX673 Call Progress Tone Detector
Worldwide tone compatability, single and dual tones detected
Wide dynamic signal range and fast response time
3.58MHz crystal or clock
3.0V, 0.5mA low power operation in a 16 pin SOIC or 8 pin DIL package