The recommended operating voltage range for the CD4042BE is 3V to 18V, although it can operate from 2V to 20V with reduced performance.
To ensure proper operation, the CD4042BE requires a decoupling capacitor (typically 0.1uF to 1uF) between the VCC and GND pins, and a bypass capacitor (typically 10uF to 100uF) between the VCC and GND pins.
The maximum clock frequency for the CD4042BE is 1 MHz, although it can operate at higher frequencies with reduced performance.
The CD4042BE can be reset by applying a low signal to the MR (Master Reset) pin, which resets the counter to zero.
The propagation delay time for the CD4042BE is typically around 30-40 ns, although this can vary depending on the operating voltage and temperature.
CD4042BE datasheet
by Texas Instruments
