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IC 4063 Datasheet, Pinout Working, Applications

Last Updated on March 3, 2023 by Swagatam 2 Comments

The IC 4063 is a CMOS-based 4-bit magnitude comparator IC that can compare two 4-bit binary or BCD numbers and determine which one is greater than or equal to the other. It operates on a supply voltage range of 3V to 18V and is compatible with TTL logic levels.

Features:

Some of the key features of the IC 4063 include:

  • Wide supply voltage range: 3V to 18V
  • Low power consumption
  • TTL-compatible inputs and outputs
  • Operating temperature range: -55°C to 125°C
  • Output current capability: 10mA
  • Output voltage swing: nearly rail-to-rail

Electrical Characteristics:

Some of the key electrical characteristics of the IC 4063 include:

  • Supply voltage range: 3V to 18V
  • Input voltage range: -0.5V to VDD + 0.5V
  • Input current: ±10mA
  • Output voltage range: 0V to VDD
  • Output current: ±10mA
  • Propagation delay time: 180ns typical (for VDD = 10V)
  • Quiescent current: 6μA typical (for VDD = 10V)

Pinout Configuration:

caution electricity can be dangerous

The IC 4063 has a 16-pin dual in-line package (DIP) as shown in the above pinout diagram:

Pinout Explanation

The IC 4063 is 4-bit magnitude comparator chip which is normally used is computers and logic circuits. In these applications, the IC 4063 calculates and finds out whether or not a 4-bit word (Binary or BCD) is equal to, less than, or greater than a subsequent 4-bit word.

You will find 8 pinouts in the IC 4063 which are assigned for the comparator functions. These pinouts are A0 (pin#10), A1 (pin#12), A2 (pin#13) A3 (pin#15), B0 (pin#9), B1 (pin#11), B2 (pin#14), B3 (pin#1).

The IC 4063 also includes 3 inputs for the cascading function. These are pin#2 (A < B), pin#3 (A = B) and pin#4 (A > B).

The above 3 inputs facilitate the developers to upgrade the comparator functioning of the IC to 8, 12, 16, or up to 4N bits.

If you want to cascade the inputs of a single IC 4063, you can do it in the following manner:

  • (A < B) = Low,
  • (A = B) = High,
  • (A > B) = Low

In order to process words that are longer than 4 bits, multiple IC 4043 ICs could be cascaded by hooking up the outputs of the less significant comparator with the relevant corresponding inputs of the more significant comparator..

For example the 3 inputs (A < B) = Low, (A = B) = High, (A > B) = Low, from a least significant IC 4063 should be connected to low, high, low logic in the cascaded system.

Applications:

The IC 4063 can be used in a wide range of applications that require the comparison of two 4-bit binary or BCD numbers, such as:

  • Digital counters
  • Arithmetic circuits
  • Control systems
  • Instrumentation
  • Data acquisition systems
  • Communications systems

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About Swagatam

I am an electronic engineer (dipIETE ), hobbyist, inventor, schematic/PCB designer, manufacturer. I am also the founder of the website: https://www.homemade-circuits.com/, where I love sharing my innovative circuit ideas and tutorials.
If you have any circuit related query, you may interact through comments, I'll be most happy to help!

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