CD74HC243EG4

Series:	74HC
Packaging:	Tube
Part Status:	Active
Logic Type:	Transceiver, Non-Inverting
Number of Elements:	1
Number of Bits per Element:	4
Input Type:	--
Output Type:	3-State
Current - Output High, Low:	7.8mA, 7.8mA
Voltage - Supply:	2 V ~ 6 V
Operating Temperature:	-55°C ~ 125°C (TA)
Mounting Type:	Through Hole
Package / Case:	14-DIP (0.300", 7.62mm)
Supplier Device Package:	14-PDIP
Base Part Number:	74HC243

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What is CD74HC243EG4?

CD74HC243EG4 is an advanced high speed CMOS Logic buffer of Texas Instruments. It is a sixteen-bit quad FET switch, which is designed to drive different loads. This device comprises of four drivers which are buffered in parallel and it also offers a high performance in various logic applications.

Application Field of CD74HC243EG4

The CD74HC243EG4 is mainly used in computer systems, audio systems, electric gadgets, electronic appliances and many more. They are capable of working on any supply voltage between 4 - 18V and are also fast to provide high performance. It is commonly used in applications that require a large amount of data transmission with high speed. Some typical applications of CD74HC243EG4 include driving of LEDs, transistors, optocouplers, motors and other peripherals. CD74HC243EG4 is also used in applications that require precise current and voltage regulation for precise timing.

Working Principle of CD74HC243EG4

CD74HC243EG4 consists of four independent high speed CMOS logic buffers in parallel. It is robust and provides a very precise timing which allows the device to function in a wide variety of circuits. The main principle of CD74HC243EG4 is its ability to provide high performance and to be a very reliable device. It contains an internal circuit that provides a high level of protection and thus reduces the electrical noise and provides a high level of signal integrity. The operation of CD74HC243EG4 is quite simple and involves the buffering of data bits on its four A,B,C and D input lines. The output of the device is dependent upon the logic level of the input signals. The buffer changes the logic levels of the data from one form to another. The device also provides a high level of current and voltage isolation which helps in reducing the effect of the external environment on the data signals.

Conclusion

CD74HC243EG4 is an advanced logic buffer device which offers high performance in various logic applications. It is a four FET device which can be employed in a wide range of applications like driving of LEDs, transistors, optocouplers, and motors. Its main function is that it provides high level of protection and signal integrity while performing precise timing. Therefore, CD74HC243EG4 is a very reliable and efficient device which should be considered by people working in the field of logic design.

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