CD74HC21EG4

Current - Output High, Low:	5.2mA, 5.2mA
Base Part Number:	74HC21
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:	19ns @ 6V, 50pF
Logic Level - High:	1.5 V ~ 4.2 V
Logic Level - Low:	0.5 V ~ 1.8 V
Series:	74HC
Current - Quiescent (Max):	2µA
Voltage - Supply:	2 V ~ 6 V
Features:	--
Number of Inputs:	4
Number of Circuits:	2
Logic Type:	AND Gate
Part Status:	Active
Packaging:	Tube

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CD74HC21EG4 is an integrated circuit produced by Texas Instruments, consisting of two integrated High Speed CMOS Gates with inverting function. It is very versatile and can be used in various logic and computing circuits.The CD74HC21EG4 is a single-gate logic device with an output status of either high or low depending on the state of the two inputs. The two inputs can be connected to any logic signal or combination of logic signals to produce the desired output. The output of this device is of the "common collector" type, meaning it will go low when both inputs are at the same logic level. This single-gate device can be used in a variety of applications, where only a single logic output is needed.The CD74HC21EG4 is suitable for applications such as logic gates, multiplexers, encoders, decoders, logic level converters, and other logic-level integrating components. It is capable of producing a wide variety of logic levels, depending on the input signals and configuration. It is also versatile enough to be used in digital logic circuits and data converters.The CD74HC21EG4 works by converting the difference between the two inputs into a logical circuit output. This is done by making one input drive the other with a negative feedback loop. The output is then inverted depending on the level of the two inputs. For example, when both inputs are at logic state "1", then the output will be "0". On the other hand, when both inputs are at logic state "0", the output will be "1". This inversion is important for use in logic-level integrating components, as it allows for a single discrete output to be produced from two inputs.The CD74HC21EG4 also features an output enable function. This can be used to allow a single output to be produced from multiple logic signals, or to isolate a logic element from the output when it is not in use. This can be particularly useful when dealing with logic-level integrated circuits, where a single output may be required from multiple input signals.Overall, the CD74HC21EG4 is an excellent solution for use in a wide variety of digital logic-level applications. Its versatility and robustness make it a great choice for those looking for a reliable and long-lasting integrated logic device. Its wide range of logic levels, output enable function and highly reliable design make it an excellent choice for use in any logic circuit or data converter.

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