MOTOROLA SEMICONDUCTOR TECHNICAL DATA Order this document by MC145436A/D MC145436A Advance Information Low-Power Dual Tone Multiple Frequency Receiver The MC145436A is a low–power and improved input sensitivity version of the MC14LC5436.
The MC145436A is a silicon gate CMOS LSI device containing the filter and decoder for detection of a pair of tones conforming to the DTMF standard with outputs in hexadecimal.
Switched capacitor filter technology is used together with digital circuitry for the timing control and output circuits.
The MC145436A provides excellent power line noise and dial tone rejection and is suitable for applications in central office equipment, PABX, and keyphone system...

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