CD74HC21M96G4

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Logic gates and inverters are useful components for virtually any computerized system, allowing for circuits to be controlled by simple logical operations. The 74HC21M96G4 is a high-performance CMOS logic gate and boasts some of the highest levels of integration available. This particular IC is a 4-bit parallel addressable latch, which allows for its data lines to be easily switched between different systems.

Applications

The 74HC21M96G4 is particularly useful in applications that require a high degree of integration and flexibility. This IC can be used in designs such as embedded systems, robots, microcontrollers and autonomous systems. It can also be used to control data lines in communication systems, storage systems and analog-to-digital converters, among other applications. It can also be used to control memory and interface circuits.

Working Principle

The 74HC21M96G4 is essentially a four-bit latch, meaning that it has the ability to hold four bits in memory. It operates by taking the data from its four lines, storing them and then outputting the stored data to its four outputs. The data stored in the latch is determined by the value of the Data inputs and can be modified by the other inputs, namely, the clear and enable inputs.

The Clear input allows for the resetting of the latch, while the Enable input allows for the momentary setting of the latch, without the need for the Data inputs. This allows the 74HC21M96G4 to act as a 4-bit memory, which can be switched between different systems with ease. Furthermore, the address lines can be used to select the latch, allowing for multiple masters to make use of the same latch.

Conclusion

The 74HC21M96G4 is a tremendously useful CMOS logic gate that can be used to control a variety of computerized systems. Its four-bit latch allows for great flexibility, as it can easily be switched between different systems and can also be used to memory and interface circuits. Furthermore, its high degree of integration makes it an ideal choice for embedded systems, microcontrollers, robots and other autonomous systems. It is therefore no wonder that this logics gate is so popular.

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