From e89df49ea9ec469ad4a0a8745da1ffc5ba47bcf7 Mon Sep 17 00:00:00 2001
From: AnkushECE
Date: Wed, 24 Aug 2022 22:45:06 +0530
Subject: CD4000 is 3 input NOR gate with a NOT gate IC.

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 library/SubcircuitLibrary/CD_4000/README.md | 25 +++++++++++++++++++++++++
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+
+# CD4000 IC
+
+It is dual 3-input NOR Gate IC. CD4000 IC is designed with 180nm CMOS technology in eSim consisting two NOR Gates and one NOT Gate. When all the inputs are LOW, then only output is HIGH, else LOW for NOR gate and NOT gate inverts the input as output.
+## Usage/Examples
+
+Multiplexer
+
+Crystal oscillator
+
+Phase Locked Loop (PLL)
+## Documentation
+
+To know the details of CD4000 IC please go through with the documentation : [CD4000_datasheet](http://eeshop.unl.edu/pdf/CD4000.pdf)
+
+## Comments/Notes
+
+Please note this is a complete digital IC. It works fine at the time of simulation.
+
+## Contributer
+
+Name: Ankush Mondal
+Email: mondalankush369@gmail.com
+Year: 2022
+Position: FOSSEE Summer Fellow 2022
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