74VCXH245MNR2

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The 74VCXH245MNR2 is a type of device that belongs to the logic family, more specifically to buffers, drivers, receivers, and transceivers. It is used to be an integrated circuit (IC) that acts as a buffer and isolates the data line; receiving or sending signals while separating inputs and outputs.

The application field of this chip is wide and includes different areas, such as telecommunications, medical applications, military, industrial, computer and consumer electronics and more. It can be used both in digital and analog circuits, given their features and characteristics of the device.

The main feature of 74VCXH245MNR2 is that it provides bidirectional voltage-level shifting between two power domains, allowing circuit designers to interconnect two different voltage planes in a system. It is also known for its very low quiescent supply current which makes it an excellent choice for power sensitive designs like battery operated systems.

Apart from these outstanding features, the device offers an outstanding level of protection. Its input and output terminals of the device are clamp diodes; protect against common ESD events.

Given the features mentioned before, we can see the vast area of applications of this device.

Working Principle

The working principle behind this device is quite simple and allows circuit designers to interchange two power domains, using just two lines.

The concept behind the device is to provide a buffer between two power domains and isolate the data line, receiving or sending signals.

It is designed to provide flexibility when designing systems; the two output voltage levels of the device can be selected independently, meaning that it allows a host of different implementations for different applications.

The two inputs of the chip, A and B, is used to check the level of voltage, it then checks the input voltage level of the powered domain and maps it to the other domain.

When C and/or D are low, the I/O are isolated and the buffer is inactive. When C and/or D is high, the I/O are connected and the buffer is active.

It also includes a high impedance input stage when enabled, which allows the inputs to remain at their static state when not powered. The logic level of the inputs on either domains will not be affected by the logic of the other domain.

Conclusion

74VCXH245MNR2 is an integrated device that belongs to the logic family, more specifically to buffers, drivers, receivers, and transceivers. Its application field is wide, from consumer electronics to telecommunications. Its working principle allows it to provide bidirectional voltage-level shifting between two power domains and can be used both in digital and analog circuits. In conclusion, we can say that the 74VCXH245MNR2 is a very versatile device with a wide range of applications.

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