Details

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BUY HC4020 https://www.utsource.net/itm/p/12607730.html

Parameter	Description	Symbol	Min	Typ	Max	Unit
Supply Voltage	Operating voltage range	VDD	3		18	V
Output Voltage (High)	Voltage at output pin when high	VOH			VDD - 2.5	V
Output Voltage (Low)	Voltage at output pin when low	VOL	0		0.9	V
Propagation Delay Time	Time delay for signal to propagate from input to output	tpd		170		ns
Power Dissipation	Maximum power dissipation	PD			100	mW
Operating Temperature	Temperature range for operation	Toper	-40		85	掳C
Storage Temperature	Temperature range for storage	Tstg	-65		150	掳C

Instructions:

1. Power Supply Connection: Connect the HC4020 to a power supply within the specified operating voltage range (3V to 18V). Ensure proper grounding.
2. Signal Input: Apply digital signals to the input pins ensuring they are within the acceptable logic levels relative to the supply voltage.
3. Output Handling: The outputs can drive other digital circuits directly. Be mindful of the output voltage levels, especially in relation to the supply voltage.
4. Propagation Delay Consideration: Account for the propagation delay time in your circuit design to ensure timing requirements are met.
5. Thermal Management: Operate within the specified temperature ranges and manage heat dissipation if running near maximum power dissipation limits.
6. Storage Conditions: Store the device in environments that do not exceed the storage temperature limits to prevent damage.

(For reference only)