74ACT151MTC

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The 74ACT151MTC is a high speed 8-bit multiplexer/demultiplexer with three binary control inputs and independent strobe inputs. This 4-line to 16-line multiplexer/demultiplexer is used for generalized digital selection, data distribution, data steering, data sequencing, and logic cascading applications. It is fabricated with advanced silicon-gate CMOS (complementary metal-oxide semiconductor) technology and has low power consumption to suit various battery-operated systems.

This multiplexer/demultiplexer is organized as two 4-line-to-1-line multiplexers. Each multiplexer has three binary select inputs (S0, S1, S2) and a strobe input (G). It also has an active LOW enable input (E) to make it 8-bit. When inputs E, S0, and S1 are HIGH, the device is enabled and the selected data on input lines A0 to A3 of a multiplexer are passed to its Y output line. When E is LOW, all input data is ignored and the output is in the HIGH-impedance OFF-state.

The 74ACT151MTC’s main application field is in data distribution and data sequencing. Data distribution is achieved by feeding the same data sequence to both multiplexers, commonly selecting data from the same group of inputs. Data sequencing is achieved by feeding distinct data sequences to each multiplexer. This allows symmetric data sequencing from different source inputs. The 74ACT151MTC also has a wide range of other applications such as clock synchronization, event control, and chip select decoders.

The 74ACT151MTC multiplexer/demultiplexer also has an strobe (G) connecting each multiplexer to the user’s system clock. When the strobe input is LOW, the previously selected input data is passed on to the output. When the strobe input is HIGH, the output is in the HIGH-impedance OFF-state. With the two strobe inputs, the two multiplexers can be synchronized or operated independently.

In conclusion, the 74ACT151MTC is a practical and high-speed 8-bit multiplexer/demultiplexer. It is most suitable for applications where a device is required to perform data distribution, data sequencing, and logic cascading. It is a logical choice when looking for a logic signal switch, multiplexer, decoder, or any other related digital logic device.

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