SN74AHC158DGVRE4

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The SN74AHC158DGVRE4 is a quad 2-input multiplexer logic device. It is a member of the Texas Instruments’ AHC/ALS logic family. The product is characterized for operation from -40°C to 85°C. This device is a high speed 8-bit multiplexer and it is pin-compatible to LSTTL logic. It provides the high drive outputs which are designed to permit direct interfacing to most popular logic families. The AHC family has input limits to 5.5 V allowing it to be used as an interface device between two systems. The open drain active high inputs reduce line loading and increase the power supply noise margin when used with TTL or 5-V CMOS logic families.

The SN74AHC158DGVRE4 device is designed to be a low-power logic device made up of four independent 2-input multiplexers with demultiplexing capability. It has two binary select inputs, A and B; an input common terminal, Cin; four independently selectable output terminals, D0 through D3 and a standard active-low enable input, E. When the E is LOW, the four outputs assume the states of their respective inputs. The characteristics of their inputs can vary from one logic family to the other. Therefore, it is important to use the AHC family devices as interfaces between the different logical families.

The AHC multiplexer’s internal structure is made up of four two-input multiplexers. In addition to its multiplexers, the device also contains an enable buffer and direct-driven outputs. This structure simplifies connections and reduces the total amount of logic used in complex logic applications. The SN74AHC158DGVRE4 is designed to resolve conflicts in many logic problems. It can also operate with lower power consumption and its propagation delay is much lower than most other logic families on the market. This makes it suitable to use in battery-powered applications.

The SN74AHC158DGVRE4 can be used in various applications such as data communications, digital signal processing, and mixed-signal systems. It is also widely used for analog-to-digital and digital-to-analog conversion, multiplexing/demultiplexing, pulse-width modulators, and waveform generators. This device is also suitable for optical sensors, intelligent automobiles, and robotic systems where high speed and the flexibility for control functions are essential.

In terms of its work principle, the SN74AHC158DGVRE4 multiplexer utilizes the two binary select inputs (A and B) inputs to select up to four data inputs (Cin0, Cin1, Cin2, and Cin3) and assign them, one at a time, to an output (D0, D1, D2 and D3). When the enable input, E is LOW, the selected data input will appear at the multiplexer\'s output. This device can also be used to combine two 4-bit data words, one at the select inputs A and B and the other at the data inputs. This allows up to 8 bits to be multiplexed with one device.

In conclusion, the SN74AHC158DGVRE4 multiplexer is a great solution for logic problems that require high-speed switching, and low power consumption. Thanks to its high speed, low power and the integrated structure, it is suitable for use in many applications such as data communication, digital signal processing, and digital-analog conversion. Its ability to combine multiple data words and its easy to use binary select inputs make it an ideal device for many applications.

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