CD4023 Triple 3-input NAND Gate

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CD4023 belongs to the CD4000 IC seroies. It consists of three NAND gates with 3 inputs and 1 unified output. CD4023 is constructed by using the complementary MOS (CMOS) technology, integrated with p-type and n-type enhancement mode transisitors. The IC also has buffered outputs which improve transfer characteristics by providing very high gain. All inputs are protected against static discharge with diodes to VDD and VSS. The IC offers a wide varietyn of working conditions, a wide range of operating volatges, and directly interfaces with other TTL, CMOS, and NMOS devices. CD4023 always comes in a 14 – pin hermetically sealed dual in line package (DIP). The IC also offers many additional features such as high noise immunity and ESD barring.

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What is NAND Gate?

NAND gate is a digital logic gate most commonly employed in DLD applications. It is also sometimes referred to as a universal logic gate, as it can be used to implement any logic gate or expression in existence. If any one of the inputs to the NAND gate is set to high, the output of the gate will always be a logical low. On the other hand, a NAND gate will yield a logical high only when all of its inputs are set to LOW.

CD4023 Key Features

Wide supply voltage range: 3.0V to 15V
High noise immunity: 0.45 VDD (typ)
Low power TTL compatibility: fan out of 2 driving 74L or 1 driving 74LS
5V–10V–15V parametric ratings
Symmetrical output characteristics
Maximum input leakage 1 µA at 15V over full temperature range

4023 Pinout

Pin No	Pin Name	Description
1	A1	input 1 of NAND gate 1
2	B1	input 2 of NAND gate 1
3	A2	input 1 of NAND gate 2
4	B2	input 2 of NAND gate 2
5	C2	input 3 of NAND gate 2
6	Q2	output of NAND gate 2
7	VSS	source supply
8	C1	input 3 of NAND gate 1
9	Q1	output of NAND gate 1
10	Q3	output of NAND gate 3
11	C3	input 3 of NAND gate 3
12	B3	input 2 of NAND gate 3
13	A3	input 1 of NAND gate 3
14	VDD	Drain supply