74LVC540AT20-13

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74LVC540AT20-13 belongs to the category of Logic- buffers, drivers, receivers and transceivers. This page will explore its application field and working principle.

Application field

74LVC540AT20-13 is an octal-inverting buffer and driver. It has 8 buffer/ drivers with both high sink and source capabilities. It functions as 8 individual, or being operated in pairs for 21/27 section bus. It can be used for applications, especially in High-speed 3.3V systems. Besides, 74LVC540AT20-13 can also be used in portable electronic equipments and no-wake-up applications, such as game machines, laptops and so on.

Working Principle

74LVC540AT20-13 works with two type of input and output levels.TTL and CMOS. Its drain and source pins are compatible with conventional TTL levels as well as CMOS levels. These pins allow operation with both 3.3V and 5V. When it’s required, the G output can be pin connected with the one of the inputs for logic 1 operation or a logic 0 for an inverter operation.The logic operation of this chip is obtained by the inversion of the input state from the A inputs.

74LVC540AT20-13 is an octal-inverting buffer and driver. For the balancing of the input signals symmetry to the outputs logic, there is a tolerance for logic level 0 of 1.2V and for logic level 1 of 0.2V, respected a voltage of VCC=3.3V. It contains a special circuit that allows to adjust the output delay time. At the same time the outputs are short circuit protected and are free of multiplex inductances, which simplifies the circuit layout.

Although 74LVC540AT20-13 allows a wide range of different applications and it has many advantages compared to other logic-buffers, its architecture may lead to confused and inaccurate output amplitudes. That is why it is common practice to work in the maximum recommended frequency. This chip can work up to 52MHz, and therefore it is compatible with low-voltage and high-speed 3.3V systems.

Conclusion

74LVC540AT20-13 belongs to the category of Logic- buffers, drivers, receivers and transceivers. 74LVC540AT20-13 is an octal-inverting buffer and driver which is mainly used for high-speed 3.3V systems. It has 8 buffer/drivers with both high-sink and high-source capabilities and operates with both TTL and CMOS. This chip can work with wide range of applications with a maximum recommended frequency of 52MHz.

The architecture of the 74LVC540AT20-13 may lead to inaccurate output amplitudes, but with appropriate applications and operations it can achieve efficient result.

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