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MC145107 SM5107 MM55107 PLL Frequency Synthesizer

Overview

This 27 MHz band, PLL frequency synthesizer LSI chip is designed specifically for CB transceivers. The integrated circuit`s incorporates PLL circuitry and a controller for CB applications on a single CMOS chip.
This PLL-circuit use a 8 bit BCD binary programmable divide-by-N counter.

Pin Name Description
1 Vcc Positive Supply Voltage
2 F in VCO Frequency Input
3 RI Referency Oscillator Input
4 1/2 R Reference OSC frequency divide by 2 output
5 FS HIGH=10kHz - LOW=5kHz
6 PD Phase Detector Output
7 LD Loop Detect - Unlocked=LOW Locked=HIGH
8 P7 Programmable input 7
9 P6 Programmable input 6
10 P5 Programmable input 5
11 P4 Programmable input 4
12 P3 Programmable input 3
13 P2 Programmable input 2
14 P1 Programmable input 1
15 P1 Programmable input 0
16 GND Ground

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