CD74HCT253E

Series:	74HCT
Packaging:	Tube
Part Status:	Active
Type:	Multiplexer
Circuit:	2 x 4:1
Independent Circuits:	1
Current - Output High, Low:	4mA, 4mA
Voltage Supply Source:	Single Supply
Voltage - Supply:	4.5 V ~ 5.5 V
Operating Temperature:	-55°C ~ 125°C
Mounting Type:	Through Hole
Package / Case:	16-DIP (0.300", 7.62mm)
Supplier Device Package:	16-PDIP
Base Part Number:	74HCT253

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The CD74HCT253E is a commonly used logic-signal switch, multiplexer, and decoder. It is one of the most popular integrated circuits on the market, and is found in many consumer products, such as smartphones, computers, and televisions.The CD74HCT253E is a high-speed cmos logic device, providing high noise immunity and broad Analog power supply range. It is designed to operate with either TTL or 5 volt CMOS logic. This feature makes it ideal for applications in which different logic families are required.The CD74HCT253E has three inputs: A, B, and C. It has four active-low outputs, which are selected by the logic level of A and B. The logic level of C sets which of the four outputs is active. When C is a logic 0, output 1 is active low. When C is a logic 1, output 2 is active low. This allows the device to act as a quad 2-select multiplexer when C is a logic 0, or it can act as a dual 4-select multiplexer when C is a logic 1.The CD74HCT253E can also be configured to act as a decoder. This is useful in applications that require the transformation of two binary values into a multiple number of outputs. By setting the logic level of C to logic 1 and using the A and B inputs and their corresponding outputs, the device can act as a binary-to-octal decoder.The CD74HCT253E also has two crossover outputs, X1 and X2. These outputs are synchronized with the device\'s active-low outputs, but are active high. This makes it possible to connect two CD74HCT253E devices in antiparallel, allowing for the connection of 4-entry logical circuits.The CD74HCT253E is a versatile logic-signal switch, multiplexer, and decoder. Its high noise immunity and broad analog power supply range make it an ideal choice for applications that require different logic families. With its crossover outputs and ability to act as a binary-to-octal decoder, the CD74HCT253E can be used to create sophisticated logic circuits.

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