Details

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BUY HCF4021BE https://www.utsource.net/itm/p/12607331.html

Parameter	Symbol	Min	Typical	Max	Unit	Notes
Supply Voltage	VCC	3	-	18	V
Output Current (High)	IOH	-	0.4	1.5	mA	At VOH = 2.4V, VCC = 5V
Output Current (Low)	IOL	1.6	4.0	16	mA	At VOL = 0.4V, VCC = 5V
Input Current (High)	IIH	-	0.01	1.0	渭A	At VIH = 2.0V, VCC = 5V
Input Current (Low)	IIL	-	0.01	1.0	渭A	At VIL = 0.8V, VCC = 5V
Propagation Delay Time	tpLH/tpHL	-	20	70	ns	At VCC = 5V, TA = 25掳C
Operating Temperature	TA	-40	-	85	掳C
Storage Temperature	TSTG	-65	-	150	掳C

Instructions for Use:

1. Power Supply:

   • The HCF4021BE is designed to operate with a supply voltage (V_CC) ranging from 3V to 18V. Ensure that the power supply is within this range to avoid damage to the device.

2. Input Signals:

   • The input signals should be within the specified voltage levels for high (V_IH) and low (V_IL) states. Typically, V_IH should be at least 2.0V and V_IL should be no more than 0.8V when V_CC is 5V.

3. Output Load:

   • The output can source up to 1.5mA and sink up to 16mA. Ensure that the load connected to the output does not exceed these current limits to prevent damage to the device.

4. Temperature Considerations:

   • The operating temperature range is from -40掳C to 85掳C. Ensure that the device is used within this temperature range to maintain reliable operation.
   • The storage temperature range is from -65掳C to 150掳C. Store the device in a suitable environment to prevent degradation.

5. Propagation Delay:

   • The propagation delay time (t_pLH/t_pHL) is typically 20ns and can be as high as 70ns at V_CC = 5V and T_A = 25掳C. This delay should be considered when designing circuits that require precise timing.

6. Handling Precautions:

   • The HCF4021BE is sensitive to electrostatic discharge (ESD). Use proper ESD protection measures when handling the device.
   • Avoid exposing the device to excessive mechanical stress or moisture, which can affect its performance and reliability.

7. Pin Configuration:

   • Refer to the datasheet for the specific pin configuration and ensure that all connections are correct to avoid damage to the device.

8. Testing:

   • Before integrating the HCF4021BE into a circuit, test it with a simple setup to verify its functionality and ensure that it meets the required specifications.

9. Compliance:

   • Ensure that the use of the HCF4021BE complies with all relevant safety and regulatory standards for your application.

(For reference only)