CD4067BM96E4

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CD4067BM96E4 is an integrated device used in fields requiring analog/digital switches, multiplexers and demultiplexers. It was developed and manufactured by Texas Instruments (TI) and launched in late 2011. Designed using TI’s Superior High Speed CMOS Technology and laid out in an industry standard 24-Pin small outline package (SOIC-24), the device is suitable for communication and interfacing between digital and analog systems. The user could interface this device with the existing digital systems and the analog signals are switched, multiplexed and demultiplexed with high precision, with low power consumption and low pin-count.

The device is powered by a power supply voltage of 2.7V-5.5V, and the input and output voltage can range from 0V-Vdd. It features 16 solid-state, single-pole, single-throw (SPST) analog switches with CMOS level inputs, that require very low actuation current. The switches and multiplexers can be operated at switching speeds up to 30MHz. The device supports 16xN multiplexing if 16 switches are used, or 8xN and 4xN multiplexing if 8 switches and 4 switches are used respectively. The multiplexing, demultiplexing and analog-digital interconnection capability of the device make it suitable for communication and other interface designs.

The working principle of CD4067BM96E4 involves turning the selected switch, typically the S0 line, to ‘ON’ and creating a connection between the corresponding input and output terminals. A logic ‘1’ at the S0 pin turns the first switch on, a logic ‘1’ at the S1 pin turns the second switch on, and so on.. All the other logic pins can be held in the logic ‘0’ state while using one particular switch alone. For using multiple switches at a time, the user has to provide appropriate logic levels at the switches. Thus, depending on the logic levels, multiple switches can be used together to create any required output.

The device also works as a demultiplexer with the help of an input data line (D) and an enable input (E). When the enable input is set to logic ‘1’, the output signals at the S0, S1…SI lines are set corresponding to the value of input data at the D input terminal. For higher order demultiplexing, the device can be cascaded in order to increase the demultiplexing capability from 8:1 to 16:1. With all these features, the device finds a wide range of applications in communication, data acquisition and interface designs.

In summary, the CD4067BM96E4 is an integrated device widely used for communication and other interface designs requiring analog/digital switches and multiplexers. The device features 16 solid-state, single-pole, single- throw analog switches with CMOS level inputs, and can be used as a multiplexer or demultiplexer depending on the user’s requirement. The device is powered by a power supply voltage of 2.7V-5.5V, and its output and input voltage can range from 0V-Vdd. It offers fast switching speed and low power consumption, with the advantage of low pin-count, making it very efficient for a large number of interface designs.

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