MC74HC153ADG

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The MC74HC153ADG is a logic-signal switch, multiplexer, and decoder. It has two 4-input multiplexers that eliminate the need for two separate multiplexers and two 4-input decoders that replace four separate decoders for applications requiring up to 16 unique control lines. It also includes an on-chip 4-input AND function that, when combined with a decoder or multiplexer, saves the user from having to use a separate logic gate. MC74HC153ADG is ideal for applications that require multiple control-lines, such as in color-graphics systems or robotics.

The MC74HC153ADG is a 18-pin DIP package. It is consist of four logic-signal switches, two 4-input multiplexers, two 4-input decoders, and one 4-input AND gate. The logic-signal switches provide a single-pole, double-throw (SPDT) functions. Each 4-input multiplexer has common Select inputs S and S∼. They also have four data inputs (ABα, ABβ, CDα, CDβ) and two data outputs (YA and YB). Lastly, each 4-input decoder has active-low common Enable input EA, EB, and one active-high output signal OA0 - OA3 and OB0 - OB3.

The MC74HC153ADG 16-channel analog or digital signal multiplexer/demultiplexer functions in the selectable Quad-MUX/Quad-DEC mode. The Quad-MUX mode enables the user to select any one link from the four identical data links A-Bα, A-Bβ, C-Dα, and C-Dβ. While the Quad-DEC mode enables the user to select any one of four output signals from the four data inputs (EA, EB, OA0 - OA3 and OB0 - OB3). The E and O combinations are configured to share and exchange the same pins during the application.

The 4-input AND mode of the MC74HC153ADG combines the outputs of two 4-input multiplexers, decoders, or other logic gates. The output of the 4-input AND gate (Y) will be high when all four inputs A - D are high and low when one or more inputs are low. This AND gate is especially useful for applications that require more than two control lines, such as in robotics or color graphics systems.

The MC74HC153ADG is a high-performance device with a power-saving design. It features a high-speed single-chip design, low-power consumption, and a wide operating temperature range. It operates from a single power supply (1.5V to 15V) and is SNG and SGA compatible. The device also features fast switching speed, glitch-free turn-on and turn-off characteristics, and high noise immunity.

In summary, the MC74HC153ADG is a logic-signal switch, multiplexer, and decoder that provides a single-chip solution for applications requiring multiple control-lines. It is power-saving, has a wide operating temperature range, fast switching speeds, glitch-free turn-on and turn-off characteristics, and high noise immunity.

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