CD74ACT02E

Current - Output High, Low:	24mA, 24mA
Base Part Number:	74ACT02
Package / Case:	14-DIP (0.300", 7.62mm)
Supplier Device Package:	14-PDIP
Mounting Type:	Through Hole
Operating Temperature:	-55°C ~ 125°C
Max Propagation Delay @ V, Max CL:	12.2ns @ 5V, 50pF
Logic Level - High:	2V
Logic Level - Low:	0.8V
Series:	74ACT
Current - Quiescent (Max):	4µA
Voltage - Supply:	4.5 V ~ 5.5 V
Features:	--
Number of Inputs:	2
Number of Circuits:	4
Logic Type:	NOR Gate
Part Status:	Active
Packaging:	Tube

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The CD74ACT02E is a quad 2-input NOR gate device comprised of four, independent, 2-input NOR gate circuits. It was designed to preserve signal integrity while providing significant improvements in power consumption over similar devices developed by competitors. It\'s an important component in many digital electronics applications where it can provide logic functions as well as signal switching and buffering, depending on the application.The CD74ACT02E is classified as a Logic - Gates and Inverters device. Gates are used in digital systems to control the flow of data while inverters can invert the state of a signal, thus the name ‘Logic - Gates and Inverters’.The CD74ACT02E has two distinct characteristics with respect to other logic devices: high switching speed (about 7ns) and low active power dissipation. This means that it has a low input/output capacitance and it also has a very fast response time, which makes it particularly suitable for high speed digital applications. High speed combined with low power dissipation makes the CD74ACT02E the ideal choice for digital systems where circuit complexity and power consumption needs to be kept to a minimum.The CD74ACT02E is available in a variety of packages to accommodate both leaded and surface mount designs. Certain versions of the device also come with additional features such as open drain outputs and Schmitt trigger inputs.The principle of operation of CD74ACT02E is based on basic logic gates. A logic gate is an electronic circuit that implements a Boolean function i.e., a logic circuit which has two or more inputs, and one output. Different logic gates have different functions. Logic gates can be divided into two categories: combinational and sequential.Combinational logic gates implement functions that are determined by their input and output values e.g., a two-input NAND gate produces a high output only when both its inputs are low, and a two-input NOR gate produces a low output only when both its inputs are high.In the case of the CD74ACT02E, the different gates are implemented with built-in NOR gates. The device has four independent 2-input NOR gates that can be used to implement various logic functions.The output of each NOR gate is affected by the current status of its two inputs, whether they are low or high. For example, if the two inputs of the NOR gate are both low, then the output of the NOR gate will be high. On the other hand, if the two inputs of the NOR gate are both high, then the output of the NOR gate will be low. The same applies if only one of the inputs is low.In the case of the NOR gate, the output is high only if both the inputs of the gate are low and the output is low if either of the inputs is high. This is known as the ‘primary logic’ used for the NOR gate.The CD74ACT02E is an important component in many digital systems and is perfect for applications where low power consumption and high speed are required. It\'s an ideal choice for systems that need multiple logic functions, switching and buffering in a single device. The device is also available in a variety of packages to accommodate both leaded and surface mount designs.

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