MM74HC4538M

Series:	74HC
Packaging:	Tube
Part Status:	Obsolete
Logic Type:	Monostable
Independent Circuits:	2
Schmitt Trigger Input:	Yes
Propagation Delay:	26ns
Current - Output High, Low:	5.2mA, 5.2mA
Voltage - Supply:	2V ~ 6V
Operating Temperature:	-40°C ~ 85°C
Mounting Type:	Surface Mount
Package / Case:	16-SOIC (0.154", 3.90mm Width)
Supplier Device Package:	16-SOIC
Base Part Number:	74HC4538

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IntroductionThe MM74HC4538M is a monolithic integrated circuit intended to provide different types of logic circuits. It can be described as a high-speed logic gate, flip-flop, or logic multivibrator circuit. This type of chip is suitable for applications that require fast logic operations.Logic - MultivibratorsA multivibrator circuit is a type of device that is used to generate signals of various frequencies and pulse widths. The most common multivibrator circuit is the astable circuit, also known as a free running multivibrator. The MM74HC4538M is capable of generating high speed astable and monostable signals with output frequencies of up to 500MHz.Application FieldThe MM74HC4538M is a high-speed logic and flip-flop circuit that is used in a variety of applications. Some common applications are switch debouncing, signal transmission, and delay timing. The high speed of the circuit makes it an ideal choice for applications where the output of the circuit needs to occur quickly.Working PrincipleThe MM74HC4538M circuit contains two cross-coupled NAND gates that form a basic flip-flop. The circuit also contains two NOR gates and two inverters. The cross-coupled NAND gates are used to generate a pulse at the output when the input is changed. The two NOR gates are used to generate a complete pulse at the output when the input is changed. The two inverters are used to invert the output of the NAND gates, ensuring that all possible outputs are generated.ConclusionThe MM74HC4538M is a high speed logic and flip-flop circuit that is suitable for a variety of applications. Its fast speed makes it an ideal choice for applications where quick output is required. The circuit is composed of two cross-coupled NAND gates, two NOR gates, and two inverters, which allow it to generate astable and monostable signals of up to 500MHz.

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