The HM6C5332 of full CMOS monolithic, dual frequency synthesizer is to be used as a local oscillator for RF and IF of a dual conversion transceiver. It is fabricated using Hyundai's standard CMOS process. HM6C5332 contains dual modulus prescalers. A 64/65 or a 128/129 prescaler can be selected for RF synthesizer and a 8/9 or 16/17 prescaler can be selected for IF synthesizer. Using digital phase locked loop technique, HM6C5332 provides the tuning voltage for voltage controlled oscillators to generate very stable low noise RF & IF local oscillator signals. Serial data is transferred into the HM6C5332 via three wire interface (Data, Enable, Clock). Supply voltage can range from 2.7 to 3.6 V. HM6C5332 features very low current consumption; 3.2mA at 3.0V.