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MM74HC4046 - CMOS Phase Lock Loop

General Description

The MM74HC4046 is a low power phase lock loop utilizing advanced silicon-gate CMOS technology to obtain high frequency operation both in the phase comparator and VCO sections.

This device contains a low power linear voltage controlled oscillator (VCO), a source follower, and three phase comparators.

Key Features

  • s Low dynamic power consumption: s Maximum VCO operating frequency: 12 MHz (VCC = 4.5V) s Fast comparator response time (VCC = 4.5V) Comparator I: Comparator II: Comparator III: 25 ns 30 ns 25 ns (VCC = 4.5V) s VCO has high linearity and high temperature stability Ordering Code: Order Number MM74HC4046M MM74HC4046SJ MM74HC4046MTC MM74HC4046N Package Number M16A M16D MTC16 N16E Package.

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Full PDF Text Transcription (Reference)

The following content is an automatically extracted verbatim text from the original manufacturer datasheet and is provided for reference purposes only.

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MM74HC4046 CMOS Phase Lock Loop February 1984 Revised February 1999 MM74HC4046 CMOS Phase Lock Loop General Description The MM74HC4046 is a low power phase lock loop utilizing advanced silicon-gate CMOS technology to obtain high frequency operation both in the phase comparator and VCO sections. This device contains a low power linear voltage controlled oscillator (VCO), a source follower, and three phase comparators. The three phase comparators have a common signal input and a common comparator input. The signal input has a self biasing amplifier allowing signals to be either capacitively coupled to the phase comparators with a small signal or directly coupled with standard input logic levels.