Details

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BUY HEF4539BP https://www.utsource.net/itm/p/12611702.html

Parameter	Description	Min	Typ	Max	Unit
Supply Voltage (VDD)	Operating supply voltage	3		18	V
Input High Voltage (VIH)	Minimum input high voltage	2		VDD	V
Input Low Voltage (VIL)	Maximum input low voltage	0		0.8	V
Output High Voltage (VOH)	Output high voltage at IOH	2.4		VDD-0.6	V
Output Low Voltage (VOL)	Output low voltage at IOL	0		0.5	V
Input Current (II)	Input leakage current	-1		1	渭A
Output Short-Circuit Current (IOSC)	Output short-circuit current	-50		50	mA
Propagation Delay Time (tpd)	Propagation delay time for typical operation		75		ns
Power Dissipation (PD)	Maximum power dissipation per package			625	mW
Operating Temperature Range (TA)	Ambient temperature range	-40		85	掳C

Instructions for HEF4539BP

1. Power Supply Connection:

   • Connect the VDD pin to the positive supply voltage within the specified range of 3V to 18V.
   • Connect the GND pin to the common ground.

2. Input Signal Handling:

   • Ensure input signals are within the valid logic levels:
     • Logic HIGH: Greater than or equal to VIH
     • Logic LOW: Less than or equal to VIL
   • Be cautious of input currents; they should not exceed the maximum leakage current specification.

3. Output Load Management:

   • Outputs can drive loads with respect to VOH and VOL specifications.
   • Avoid exceeding the output short-circuit current limits to prevent damage.

4. Propagation Delay Consideration:

   • Account for the propagation delay in timing-sensitive applications, ensuring that signal transitions are managed correctly.

5. Thermal Management:

   • Keep the operating temperature within the specified range (-40掳C to 85掳C).
   • Monitor power dissipation to avoid overheating, especially when operating near the maximum PD limit.

6. Handling Static Electricity:

   • Handle the device with care to avoid damage from electrostatic discharge (ESD).

7. Storage and Handling:

   • Store in a dry environment and handle according to ESD guidelines to ensure reliability and performance.

(For reference only)