CD4555BMT

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CD4555BMT is a high-speed CMOS logic circuit designed specifically for analog and digital multiplexing, signal gating, and address selection applications. It is part of the 4000B logic family and is a type of CMOS multiplexer/decoder that allows the user to select and route signals between two sets of inputs and outputs. The device is similar to the CD4556 except it does not have an output enable control feature. As a switch, this device can be used for multiplexing, decoding, and selection operations.

The device is composed of two sets of independently selectable inputs, two sets of outputs and a pair of active-high select inputs. The inputs on each side can be connected to either a logic input or an analog signal; the output from either side is based on the input connected. Upon receiving a low signal to the select inputs, the corresponding input is enabled and the corresponding output is activated.

The CD4555BMT is ideal for analog and digital multiplexing applications where high speed, or low voltage swing capability needs to be maintained. Its low current dissipation and low voltage requirements make it ideal for low power applications. Its low propagation delay time makes it suitable for fast switching applications. The CD4555BMT also works as a signal gating device in order to isolate an input from an output. This device can also be used as an address selection switch, in which a set of inputs are selected depending on the address code sent to the select inputs.

The working principle of the CD4555BMT is fairly straightforward. When any combination of S0 and S1 are in a low state, the signal at the inputs of their respective side is transmitted to the output. However, when both S inputs are in a high state, the input signal is inhibited, or blocked, from being transmitted. This allows the user to control which signal they would like to output. This is useful in address selection as it allows the user to select the signal they would like outputted depending on the code sent to the select pins.

Overall, the CD4555BMT is a versatile and high-performance device that is capable of addressing a wide range of multiplexing, decoding, and selection applications. The device is very power-efficient and low voltage, allowing it to be suitable for low powered applications. Additionally, it can be used as a signal gating device to isolate inputs from outputs. With it being part of the 4000B logic family, it is a highly reliable and robust device, making it ideal for industrial and commercial applications.

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