CD74HCT4046AE

Series:	74HCT
Packaging:	Tube
Lead Free Status / RoHS Status:	--
Part Status:	Active
Moisture Sensitivity Level (MSL):	--
Type:	Phase Lock Loop (PLL)
PLL:	Yes
Input:	CMOS
Output:	CMOS
Number of Circuits:	1
Ratio - Input:Output:	1:4
Differential - Input:Output:	No/No
Frequency - Max:	38MHz
Divider/Multiplier:	No/No
Voltage - Supply:	4.5 V ~ 5.5 V
Operating Temperature:	-55°C ~ 125°C
Mounting Type:	Through Hole
Package / Case:	16-DIP (0.300", 7.62mm)
Supplier Device Package:	16-PDIP
Base Part Number:	74HCT4046

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1. CD74HCT4046AE Application Field and Working Principle

Introduction

CD74HCT4046AE is a highly integrated logic device designed for clock and timing applications. It is fabricated in a high-speed complementary bipolar technology and is designed specifically to provide the performance edge. It allows a variety of sources, such as quartz crystal oscillator, oscillator, R/C oscillator, signal generator, signal divider etc to be used. This device can be used in consumer electronics, industrial systems, medical devices, aerospace events, measuring instruments and other related fields.

Features

The CD74HCT4046AE provides a versatile and easy to use solution for most clock and timing requirements. It has many key features, such as:

• Wide voltage range (2.0V - 6.0V)
• High-speed CMOS logic levels
• Low power consumption
• Integrated front-end ESD protection
• Flexible architecture that allows different sources of clock signals to be used

Application Field

The CD74HCT4046AE is well-suited for many clock and timing applications, such as:

• PC and laptop computers
• Industrial systems and automation
• Consumer products
• Aerospace and avionics
• Medical devices
• Communication systems
• Instrumentation and measuring devices

It can be used in a wide variety of applications where clock and timing signals need to be accurately transmitted, divided, triggered and multiplied. This device can also be used in combination with other logic devices to create complex and powerful timing systems.

Pin Configuration and Working Principle

The CD74HCT4046AE has a wide range of pins, each of which has a specific function. The pin configuration of the device can be seen in the diagram below:



The device works on the principle of pulse-width modulation. In this technique, the input waveform is modulated by varying the duty cycle of the output waveform. The duty cycle of the output waveform can be changed by changing the phase of the input waveform. This phase change is achieved by varying the input frequency and by using a phase locked loop for precise frequency control. The frequency of the output waveform is determined by a frequency divider, which divides the frequency of the input waveform. The phase locked loop (PLL) locks the phase of the output waveform to the phase of the input waveform, thus ensuring a precise and stable frequency output.

Conclusion

In conclusion, the CD74HCT4046AE is a highly integrated logic device designed for clock and timing applications. The device works by modulating the input waveform by varying the phase of the output waveform. By using a phase locked loop for precise frequency control, the frequency of the output waveform can be maintained. This device is suitable for a wide range of applications, from consumer products to complex industrial systems.

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