Details

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BUY SN74ALS642A-1NE4 https://www.utsource.net/itm/p/9008226.html

Parameter	Description	Value
Part Number	Full part number of the device	SN74ALS642A-1NE4
Function	Type of logic function	Octal D-Type Flip-Flop with Clear
Technology	Logic family or technology used	Advanced Low Power Schottky (ALS)
Supply Voltage (VCC)	Operating voltage range	4.5 V to 5.5 V
Propagation Delay	Time delay for signal propagation	Typically 18 ns at VCC = 5 V
Power Dissipation	Maximum power dissipation	100 mW
Operating Temperature	Temperature range for operation	-55°C to +125°C
Package Type	Type of package	Plastic Small Outline Package (SOIC)
Pin Count	Number of pins	20
Input Current	Maximum current per input pin	±1 mA
Output Current	Maximum output current per output pin	±16 mA

Instructions:

1. Power Supply: Ensure that the supply voltage is within the specified range of 4.5 V to 5.5 V.
2. Installation: Place the device in a suitable location on the PCB, ensuring correct orientation and alignment of the pins.
3. Connections: Connect all necessary inputs and outputs according to your circuit design. Pay special attention to the clear (CLR) inputs if used.
4. Handling Precautions: Handle the device with care to avoid static damage. Use appropriate ESD protection measures.
5. Thermal Considerations: Monitor the operating temperature to ensure it remains within the specified range to prevent overheating.
6. Testing: After installation, test the functionality of the device under typical operating conditions to ensure proper performance.

For detailed specifications and additional information, refer to the official datasheet provided by the manufacturer.

(For reference only)