The recommended operating voltage range for the CD4021BCM is 3V to 18V, with a typical voltage of 5V or 15V.
Unused inputs on the CD4021BCM should be tied to a logic level (VCC or GND) to prevent floating inputs and ensure proper device operation.
The maximum clock frequency that the CD4021BCM can handle is 10 MHz, but this can vary depending on the specific application and operating conditions.
Yes, the CD4021BCM can be used in a 3.3V system, but the input and output voltage levels may need to be adjusted accordingly to ensure proper device operation.
To ensure proper power-up and initialization, the CD4021BCM should be powered up with a monotonic voltage ramp, and the clock input should be held low until the power supply has reached a stable level.
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CD4021BCM Overview
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