74LVC8T245PW-Q100J

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The 74LVC8T245PW-Q100J is a logic translator and level shifter integrated circuit used in applications where signals between different logic types need to be converted. It is especially useful in applications where multiple digital signals must be transmitted between circuits of different voltage levels, such as those between a 3.3V circuit and a 5V circuit. The device supports both bi-directional and uni-directional data transmissions, and is simple in design and thus easy to use.

Features

The 74LVC8T245PW-Q100J has many features that make it an ideal choice for logic level translation applications, such as:

• Wide voltage range of 2.5V to 5.5V, with a guaranteed 230mV minimum translation height for transmitting between levels
• Low-power operation of 1.6mA maximum supply current
• Low skew output to minimize signal distortion
• High noise immunity, up to 2000V peak
• Flow-through pinout to save board space

Application fields

The 74LVC8T245PW-Q100J is an ideal choice for many different logic level translation applications. It is used in applications such as:

• Communication systems, between 3.3V and 5V communication interface levels
• Mixed signal systems such as automotive systems, for connecting control components to signal processing components
• Data acquisition and display systems, for connecting data acquisition systems to display components
• Digital signal processors, for connecting to data buses with different logic levels

Working principle

The 74LHC8T245PW-Q100J is designed to provide a bi-directional logic level translator between two logic levels. When operating in the unidirectional mode, the device can be used to transmit signals from one logic level to another. To perform this conversion, the device passes a signal from one logic level to the other through a series of buffers and a control unit.The device is controlled by three control pins: the X pin controls the direction of the translation, the Y pin sets the mode of operation, and the E pin controls the enable function. Depending on the logic levels of the input signals, the device will select either the high or the low translation mode, and the output signal will be converted accordingly.The 74LVC8T245PW-Q100J is also equipped with a fault flag output pin, which is activated if an error is detected in the conversion process. This feature can be used to provide a warning to the user of the device that something is wrong.

Conclusion

The 74LVC8T245PW-Q100J is a logic translator and level shifter integrated circuit used in applications where signals between different logic types need to be converted. It features a wide voltage range, low-power operation, low skew output, and high noise immunity, as well as a fault flag output pin that can be used to indicate errors during data transmissions. The device is useful for applications such as communication systems, mixed signal systems, data acquisition and display systems, and digital signal processors. It is an ideal choice for logic level translation applications.

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