MC145149 Datasheet Dual PLL Frequency Synthesizer

Manufacturer: Motorola Semiconductor (now NXP Semiconductors)

MC145149 dual pll frequency synthesizer by Motorola Semiconductor (now NXP Semiconductors) - Datasheet Preview

Datasheet Details

Part number	MC145149
Manufacturer	Motorola Semiconductor (now NXP Semiconductors)
File Size	133.85 KB
Description	Dual PLL Frequency Synthesizer
Download	MC145149 Download (PDF)

Overview

MOTOROLA SEMICONDUCTOR TECHNICAL DATA Order this document by MC145149/D MC145149 Dual PLL Frequency Synthesizer Interfaces with Dual–Modulus Prescalers The MC145149 contains two PLL Frequency.

Key Features

ternal reference, OSCout should be left open. fin1, fin2 Frequency Inputs (Pins 4, 7) Input frequency from an external VCO output. Each rising.
edge signal on fin1 decrements the N counter, and when appropriate, the A counter of PLL 1. Similarly, fin2 decrements the counters of PLL 2. These inputs have inverters biased on the linear region which allows ac coupling for signals as low as 500 mV p.
p. With square wave signals which swing from VSS to VDD, dc coupling may be used. DATA.

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