74HCT163D,653

Timing:	Synchronous
Base Part Number:	74HCT163
Supplier Device Package:	16-SO
Package / Case:	16-SOIC (0.154", 3.90mm Width)
Mounting Type:	Surface Mount
Operating Temperature:	-40°C ~ 125°C
Voltage - Supply:	4.5V ~ 5.5V
Trigger Type:	Positive Edge
Count Rate:	45MHz
Series:	74HCT
Reset:	Synchronous
Number of Bits per Element:	4
Number of Elements:	1
Direction:	Up
Logic Type:	Binary Counter
Part Status:	Active
Packaging:	Tape & Reel (TR)

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Introduction

The 74HCT163D part number 653 is a dual, 4-bit binary up/down synchronous counter. It is UNLATCHED, having two set-up and clear inputs which can control two individual counter/decoders independently. As a logic-level device, it offers maximum flexibility, reliability, and convenience for engineers designing with multiple count up/down logic-level counters.

Application Field

The 74HCT163D 653 is extensively used in numerous applications. It can be used to control various repetitive motors, such as stepper motors, pumps, and conveyors. Of course, it can also be used in digital clocks, and in digital delay timing circuits. It can also be used to control the flow of liquid, like oil or gas in a pipeline. In communications, it can be used to measure the frequency of a signal, identify the frequency of a modulated signal, and measure the speed of data transmission.

Working Principle

The 74HCT163D 653 is a synchronous counting element which consists of two 4-bit ripple-carry binary counters combined together. Each counter includes a pair of B and C inputs that control the direction of the count. A high level or a low level of either one of the inputs sets up the operating speed of the counter’s frequency range. The counter has an asynchronous clear (CLR) input, the preset (P) input and the enable (EN) input. The CLR is configurable to clear the counter or the entire counter chain. The P input also works to clear the entire counting chain, as well as preset each bit individually. The EN input sets the counter going when a high logic level is given.

Conclusion

The 74HCT163D part number 653 is a logic-level, dual, 4-bit, binary up/down synchronous counter. It offers great flexibility and reliability when it comes to designing with multiple count up/down logic-level counters. It can be used in a variety of applications, such as controlling repetitive motors, digital clocks, flow of liquids, and more. It has an asynchronous clear input, a preset input, and an enable input that work together to control the speed of counting.

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