74HCT4017N,652

Timing:	--
Base Part Number:	74HCT4017
Supplier Device Package:	16-DIP
Package / Case:	16-DIP (0.300", 7.62mm)
Mounting Type:	Through Hole
Operating Temperature:	-40°C ~ 125°C
Voltage - Supply:	4.5V ~ 5.5V
Trigger Type:	Positive, Negative
Count Rate:	67MHz
Series:	74HCT
Reset:	Asynchronous
Number of Bits per Element:	10
Number of Elements:	1
Direction:	Up
Logic Type:	Counter, Decade
Part Status:	Obsolete
Packaging:	Tube

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74HCT4017N,652 Application Field and Working Principle

Logic - Counters, Dividers, or pulse-controlled devices, as they are known, are chips whose purpose is to "count", or divide, a certain number of pulses. In this article, we will look at a specific type of counter, the 74HCT4017N-652. We will look at its application field, as well as its working principle.The 74HCT4017N-652 is a "5-stage ripple-carry-counter", meaning that it has five outputs and each output has a recognizable pattern that can be used to count up to 32. Each of the outputs has a "ripple-carry", meaning that when the counter reaches its maximum count and the next pulse is applied, it will reset itself and all the outputs will reset. This makes the 74HCT4017N-652 perfectly suitable for reliably counting up to 32 pulses and can be used for a variety of purposes.Besides the obvious use of counting up to 32, the 74HCT4017N-652 can be used for measuring frequency applications, controlling external devices, and synchronizing multiple systems. By properly wiring the chip and its stages together, the counter can be manipulated to execute pulse-width modulation, adjusting the duty cycle of output signals, as well as input debouncing, in which a single pulse is converted into multiple pulses. These are just a few examples of the potential applications for the 74HCT4017N-652.The basic working principle of the counter is relatively simple. The ripple-carry output and the reset input are both connected to each other permanently, while other inputs are timed in such a way that they will increment the counter by one after each clock pulse. In this way, the counter can keep track of the number of the pulses, and when it reaches the maximum count, it will reset itself and all of its outputs.It is important to note that the 74HCT4017N-652 is not suitable for high-frequency applications, as it is designed to operate with frequencies up to 10 MHz. Additionally, it should not be used in pulsed applications with frequent pulses less than 10 ns wide, as it is not fast enough to handle this type of pulses.The 74HCT4017N-652 is an incredibly versatile counter, suitable for a wide range of applications. It is simple to use and is very reliable in counting up to 32 pulses. Its resetting whistle and ripple-carry design gives it a unique edge against other counters, allowing the user to easily manipulate it to meet the specific needs of their project.

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