Details

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BUY SN74S381N https://www.utsource.net/itm/p/1701836.html
ARITHMETIC LOGIC UNITS/FUNCTION GENERATORS

Parameter	Symbol	Conditions	Min	Typ	Max	Unit
Supply Voltage	Vcc	Operating	4.75		5.25	V
Input Voltage (High)	VIH		2		5.25	V
Input Voltage (Low)	VIL		0		0.8	V
Output Voltage (High)	VOH	ICC = 400 渭A	2.4		5.25	V
Output Voltage (Low)	VOL	ICC = -1.6 mA	0		0.4	V
Propagation Delay Time	tpD	VCC = 5V		19		ns
Power Dissipation	PD	Continuous			650	mW

Instructions for SN74S381N

1. Power Supply Connection:

   • Connect the Vcc pin to a stable 5V power supply within the range of 4.75V to 5.25V.
   • Ensure a proper ground connection.

2. Input Signals:

   • Apply input signals ensuring they meet the VIH and VIL specifications to avoid undefined behavior.
   • Keep signal transitions clean and within specified voltage levels.

3. Output Handling:

   • Monitor output voltages VOH and VOL to ensure they are within acceptable limits for connected circuits.
   • Be cautious of loading effects that can influence output levels.

4. Timing Considerations:

   • Account for propagation delay in timing-sensitive applications, especially when interfacing with other digital components.

5. Thermal Management:

   • Do not exceed the maximum power dissipation of 650mW to prevent overheating and potential damage.
   • Use appropriate heat sinking or cooling methods if necessary.

6. Storage and Handling:

   • Store in an ESD-protected environment.
   • Handle with care to prevent static damage and physical damage to pins.

7. Circuit Design:

   • Ensure adequate decoupling capacitors near the power supply pins to stabilize the supply voltage.
   • Follow good PCB layout practices to minimize noise and interference.

(For reference only)