CD74HCT251M

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The 74HCT251M is a hight velocity CMOS logic device that belongs to the 74HCT family. It can be used as a multiplexer, demultiplexer, or as a device that provides noninverted or inverted logic signals with common inputs. This device is characterized by high-speed logic selection, as well as high-speed input/output circuits.

The 74HCT251M belongs to the Logic-Signal Switches, Multiplexers, Decoders category because it multiplexes, demultiplexes, decodes and provides noninverted or inverted logic signals with common inputs. The main application of the 74HCT251M is as a switcher that can transfer data to and from multiple sources to a single destination. It can also be used for data bidirectional communication.

The 74HC251M features three logic inputs (S₀ to S₂), two data inputs (A₀₉) and a common input (A_OE). Using the logic inputs, the 74HC251M can select which of the two data inputs to transfer to the output. The data signals are routed to either output 1 or 2, which are non-inverted and inverted, respectively. The common input determines which output is enabled. When active low, both outputs are enabled, and when active high, only non-inverted output 1 is enabled.

The power supply voltage range of the 74HC251M is 2.0 V to 6.0 V, with an output current of at least 16 mA. It has a propagation delay time of 7 ns typical and the supply current is 1.1 mA. It is also very robust in terms of ESD protection, univeral tolerance, and noise margin.

Overall, the 74HCT251M is a high-speed CMOS logic device that makes it ideal for applications that require switching between multiple sources and/or destinations. It is incredibly fast and reliable, making it a great choice for data signaling and communication applications.

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