CD74HC138MTG4

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CD74HC138MTG4 is a 3-to-8 active low decoder designed for high speed and low power consumption. It is widely used in communication, computer, consumer and industrial control systems and logic circuit control. It can also be used as a 10-to-16 line decoder when used with the output enable pins active.

CD74HC138MTG4 belongs to the category Logic - Signal Switches, Multiplexers and Decoders. It has an open drain output configuration and it is supplied in 20-pin side-brazed DIP (dual-in-line package). It is designed to be used in low voltage 3V to 5.5V circuit applications and is capable of logic level compatibility with TTL logic levels.

The CD74HC138MTG4 consists of an active low decoder, three select inputs (A, B, C), a GND pin and eight active low outputs. It is able to decode two binary inputs to one of four possible binary output codes. The A, B and C inputs are active low and should remain low when the device is powered off. If the inputs to the decoder are set high, the output will remain low. The GND pin is used to provide a low-level reference voltage.

The working principle of the CD74HC138MTG4 is based on the binary code input and the decoder output corresponding code. It has three selection inputs A, B and C and eight outputs. An output code word is enabled when the appropriate selection inputs are asserted. If the inputs are set low, the output will remain low. The output for any given input combination is determined by the truth table.

The CD74HC138MTG4 has many applications in communication, computer, consumer and industrial control systems where multiplexing or decoding functions are required. It is a reliable component and is suitable for use in a wide variety of application fields such as switching and multiplexing, computer and industrial system control, data encoding and decoding, data input control, etc.

In conclusion, the CD74HC138MTG4 is a logic component that belongs to the category of Logic - Signal Switches, Multiplexers and Decoders. It has an open drain output configuration and is suitable for use in low-power applications. It is composed of an active low decoder and three selection inputs which together determine the output code word. The CD74HC138MTG4 is used in a variety of applications such as data encoding and decoding, computer and industrial system control, and data input control.

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