74VHC138MTCX Integrated Circuits (ICs)

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The 74VHC138MTCX is a 3-to-8 line decoder/demultiplexer, sometimes referred to as a logic-level decoder. This device is designed to provide a high-speed 3-level logic conversion for a variety of interconnection applications. The 74VHC138MTCX is well suited for applications such as logic-level conversion, multiplexing, and decoding.

74VHC138MTCX is widely used in multiplexers and decoders. It is a 16-pin device that is divided into two eight-bit groups. The device is designed for use with a 3-bit enable, A0, A1, and A2, and it can decode up to eight outputs, Y0 through Y7. All the outputs are high impedance when the enable input is low. The outputs can be directly interfaced with other circuits without the need for external pull-up resistors. The device is available in three different packages, SOIC, PDIP, and QFN.

The 74VHC138MTCX operates over a wide VCC range of 1.8V to 3.3V. The device can be operated at frequencies up to 25MHz with a power dissipation of 315mW. The device also has a low output drive of 5mA, making it well-suited for low-power applications. The device features low power-up/down delays and high switching speeds, making it ideal for digital-interconnect applications.

The working principle of the 74VHC138MTCX is based on a 3-bit enable. When the enable input is low, all the outputs are disabled. When the enable input is high, the device will decode the A0, A1, and A2 inputs providing 8 different outputs, Y0 through Y7. The device is designed to decode the A0, A1, and A2 signals, providing the Y0 to Y7 outputs. The A0, A1, and A2 inputs are compared to the verification table in order to determine the output. The device supports multiplexing and decoding up to 8 bits, allowing for simple and flexible connection.

In summary, the 74VHC138MTCX is a 3-to-8 line decoder/demultiplexer, which is well suited for applications such as logic-level conversion, multiplexing, and decoding. The device features a wide VCC range, up to 25MHz operation, low output drive and high switching speeds. The device is available in three different packages and supports multiplexing and decoding up to 8 bits, allowing for simple and flexible connection.

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