CD74HC151M

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Logic - Signal Switches, Multiplexers, Decoders are basic building blocks of digital logic systems which are used to redirect one or more digital signals as per details necessary for the active system. CD74HC151M is an 8 bit logic data selector/multiplexer which is used to select one of eight data sources (A to H) through a 3-bit binary input. This multiplexer has two binary select inputs, A0, A1 (provides 4 combinations) and an active low input (E) to enable or disable the output. Eachselect inputs provides eight mutually exclusive outputs when the enable input is high.
CD74HC151M is coming in 14-pin plastic Dual-In-Line package and is compatible with TTL logic. It is having very low quiescent current and the operating temperature range is from -55 C to 125 C. All the circuits formed by CD74HC151M has very high immunity to the noise. This device is provided with a typical propagation delay of about 8 ns. The noise margin is also relatively high for all logic families.
The primary application for CD74HC151M is in data switching and data communications, but there are also widespread applications in all digital logic system that requires data to be moved from one part of a circuit to another. Therefore it is very useful in applications where the incoming signals or data is to be serially selected or multiplexed. It is also used in controlling power source and ground checking, memory scanning, data routing and data selection. The various applications of the device are- it can be used as 1:64 decoder and it can be used as comparator, analog selector and 4-bit Encoder.

The working principle of CD74HC151M is very simple, the active low enable input (E) is used for selecting the logic level at the output when it is high. The output of the device is determined by the select inputs (A0 and A1), when the inputs are low or high then it will select one of the data source (A to H). The output of the device is determined by the select inputs and will depend upon the data source which is selected at the input. When the enable input is low then all output will be low irrespective of the logic level of the input.

In conclusion, the CD74HC151M is a high-performance logic device that is ideal for high-performance logic switching, multiplexing and data selection. It is extremely easy to use and is widely used in a variety of applications such as data switching, data communications and digital logic systems. The device is cost-effective, has a low power consumption and has a very fast response time. As such, it is an excellent choice for any applications requiring fast, reliable and cost-effective logic switching and data selection.

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