CD74HC4017MTE4

Timing:	--
Base Part Number:	74HC4017
Supplier Device Package:	16-SOIC
Package / Case:	16-SOIC (0.154", 3.90mm Width)
Mounting Type:	Surface Mount
Operating Temperature:	-55°C ~ 125°C
Voltage - Supply:	2V ~ 6V
Trigger Type:	Positive Edge
Count Rate:	35MHz
Series:	74HC
Reset:	Asynchronous
Number of Bits per Element:	10
Number of Elements:	1
Direction:	Up
Logic Type:	Counter, Decade
Part Status:	Active
Packaging:	Tape & Reel (TR)

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The CD74HC4017MTE4 is a presettable decade counter and divider IC under the logic IC family classification of counters, dividers. It is designed to hold a 10-bit binary value from 0000-0000-0000 to 1111-1111-1111 (0 to 4095 decimal) that can be incremented or decremented using three control inputs. This article will discuss the CD74HC4017MTE4 application field and working principle.Application FieldThe CD74HC4017MTE4 decade counter and divider IC is mainly used in applications requiring general-purpose frequency division and counting. Its applications include those that involve frequency division, up/down counting, and timebase generation. The four output signals can be synchronized for timing and control of motors, rapid sequence steps, and multiple output operations. The CD74HC4017MTE4 is typically used in wide range of digital applications such as microcontroller-based projects, automotive systems, etc. It can be used to control multiple components such as motors and servo controllers. It can also be used to detect edges which are necessary in some robotics and tracking systems.Working PrincipleThe CD74HC4017MTE4 is a presettable 10-bit binary counter. The counter has four bits per byte of memory. The controller has two preset inputs and two clock inputs. The preset inputs are used to determine the preset value of the counter, as set by the user. The counter is then incremented or decremented by a single pulse of the clock input. The controller also has an asynchronous reset input which is used to reset the counter to zero. The reset is applied asynchronously, meaning that it is not dependent on the internal state of the counter. An ordinarily “low” signal will reset the counter at any time. Furthermore, there is an enable input which is used to enable or disable the counter. If enabled, the counter will increment or decrement its preset value when a clock pulse is applied.The CD74HC4017MTE4 is also capable of being used as a programmable frequency divider. It can count edges of various frequency inputs, allowing it to divide an input signal with a much longer period. This technique is often used in power-supply ripple control, clock synchronization, and PLL applications.ConclusionThe CD74HC4017MTE4 is a presettable decade counter and divider IC used in a wide range of applications such as microcontroller-based projects, motor and servo controller sequencing, edge detection, frequency modulation, and ripple control. The CD74HC4017MTE4 is capable of holding a 10-bit binary value and can be incremented or decremented using three control inputs. Furthermore, it is capable of counting edges of various frequencies and dividing an input signal with a much longer period.

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