MC74VHC139DR2

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The MC74VHC139DR2 is part of a series of logic-signal switches, multiplexers, and decoders. The device is designed such that it has two data selectors/multiplexers with a built-in inverter. These components work together to enable a wide range of data routing and conversion operations.The device acts as a digital switch between two channels, allowing either one or the other of the two inputs to be selected. The device is designed to fit into small-footprint packages. It is the ideal choice for applications such as low-power or embedded design where power conservation is a priority.The device has two channels and each identical channel can respond independently to control signals. It is possible to connect two single power supplies to the device, or a supply can be shared.The MC74VHC139DR2 is a four-bit latch that can trigger a response based on its inputs. The device consists of logic input pins, output pins, and control pins, which permit the device to store and recall data bits. The logic input ports of the device accept signals in the form of 4-bit binary values, and the output ports drive the binary-coded data to the signals’ destination. The device can also be used for data processing operations, as it can be configured to perform arithmetic or logical operations on the binary-coded data and to momentary reset the data.The control ports of the device determine how the device’s logic Inputs will be transmitted to the output ports. Once the control signals are stabilized, the output ports will maintain their values until the control ports of the device are changed, or until a new set of logic inputs are supplied.The MC74VHC139DR2 is also capable of responding to asynchronous signals. Asynchronous signals are any data inputs that do not conform to the timing of the incoming signal. By coordinating both inputs and outputs, rough signal timing can be maintained.The MC74VHC139DR2 is ideal for applications that require switching, multiplexing, and decoding. Its dual channels, low power consumption, and flexible programming options make it an ideal choice for data routing and processing applications.

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