The CD4063BF is a digital analog multiplexer/demultiplexer, and its operating frequency is limited by the rise and fall times of the signals. Typically, it can operate up to 10 MHz, but this can vary depending on the specific application and signal conditions.
To ensure signal integrity, it's essential to follow proper PCB layout and design practices, such as using short signal traces, minimizing impedance mismatches, and providing adequate power supply decoupling. Additionally, consider using series termination resistors and/or buffers to reduce signal reflections and improve signal quality.
While the CD4063BF can be used to switch between different voltage levels, it's not designed to be a level shifter. The device is intended for analog signal switching, and its output voltage will follow the input voltage. If you need to level-shift signals, consider using a dedicated level shifter IC or a voltage translator.
To avoid latch-up or other issues, ensure that the power supply voltage (VDD) is applied before the input signals. Also, make sure to sequence the power-down in the reverse order, i.e., remove the input signals before removing the power supply voltage.
The CD4063BF has a maximum continuous current rating of 25 mA per channel. However, this can be limited by the package thermal resistance and the ambient temperature. Be sure to check the datasheet for specific thermal and current rating information.
CD4063BF datasheet
by Texas Instruments
