The MC44817/17B datasheet and pdfThe MC44817/17B are tuning circuits for TV and VCR tuner applications.They contain on one chip all the functions required for PLL control of a VCO.The integrated circuits also contain a high frequency prescaler and thus canhandle frequencies up to 1.3 GHz.The MC44817 has programmable 512/1024 reference divider while theMC44817B has a fixed reference divider of 1024.The MC44817/17B are manufactured on a single silicon chip usingMotorola!fls high density bipolar process, MOSAI? (Motorola Oxide SelfAligned Implanted Circuits).Complete Single Chip System for MPU Control (3¤CWire Bus). DataClock Inputs are IIC Bus CompatibleDivide¤Cby¤C8 Prescaler Accepts Frequencies up to 1.3 G15 Bit Programmable Divider Accepts Input Frequencies up to 165 Reference Divider: Programmable for Division Ratios 512 and 1024The MC44817B has a Fixed 1024 Reference DividerTri¤CState Phase/Frequency ComparatoOperational Amplifier for Direct Tuning Voltage Output (30 V)Four Integrated PNP Band Buffers for 40 mA (V to 14.4 V)CC1Output Options for the Reference Frequency and the Programmable DividerBus Protocol for 18 or 19 Bit TransmissionExtra Protocol for 34 Bit for Test and Further FeaturesHigh Sensitivity PreamplifierCircuit to Detect Phase LockFully ESD Protected
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