Details

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BUY UPB74LS138D https://www.utsource.net/itm/p/12534786.html

Parameter	Description	Conditions	Min	Typ	Max	Unit
Supply Voltage (VCC)	Operating supply voltage		4.75		5.25	V
Output Low Voltage (VOH)	Output voltage when output is low	IO = 4 mA			0.5	V
Output High Voltage (VOH)	Output voltage when output is high	IO = -0.4 mA	2.4			V
Propagation Delay Time	Time delay from input change to output change	VCC = 5V, TA = 25°C		18		ns
Power Dissipation	Maximum power dissipation	Continuous			500	mW
Operating Temperature	Ambient temperature range for operation		-40		85	°C
Storage Temperature	Temperature range for storage		-65		150	°C

Instructions:

1. Power Supply: Ensure the supply voltage (VCC) is within the specified range of 4.75V to 5.25V.
2. Output Levels: The output voltages VOH and VOL must be within specified limits to ensure correct logic levels are maintained.
3. Propagation Delay: Account for a typical propagation delay of 18ns under standard conditions (VCC = 5V, TA = 25°C).
4. Thermal Considerations: Keep the operating temperature between -40°C and 85°C. For storage, ensure temperatures do not exceed -65°C to 150°C.
5. Power Management: Do not exceed the maximum power dissipation of 500mW to avoid overheating or damage to the device.
6. Handling Precautions: Handle with care to prevent electrostatic discharge (ESD) damage; use appropriate ESD protection measures.

(For reference only)