Details

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BUY MM74HCT257N https://www.utsource.net/itm/p/12609679.html

Parameter	Conditions	Min	Typ	Max	Unit
Supply Voltage (VCC)	Operating Range	2.0		6.0	V
Input Voltage High (VIH)	VIL = 0.8V, IIL = 1渭A	3.15			V
Input Voltage Low (VIL)	VIH = 2.0V, IIH = 1渭A			0.8	V
Output Voltage High (VOH)	IOH = -0.4mA	2.4			V
Output Voltage Low (VOL)	IOL = 8.0mA			0.4	V
Propagation Delay Time	tpLH, tpHL, VCC = 4.5V to 5.5V		14		ns
Power Dissipation	Maximum			100	mW

Instructions for MM74HCT257N:

1. Power Supply: Ensure the supply voltage (VCC) is within the specified range of 2.0V to 6.0V.
2. Input Signals: Apply input signals ensuring they meet the minimum and maximum levels for high and low states.
3. Output Load: Keep the output load current within limits to maintain output voltage levels as specified.
4. Propagation Delay: Account for propagation delay in timing calculations, especially when designing circuits requiring precise timing.
5. Thermal Management: Monitor power dissipation and ensure it does not exceed 100mW to prevent overheating.
6. Handling Precautions: Handle the device carefully to avoid damage from electrostatic discharge (ESD). Use appropriate ESD protection measures.

Note: Always refer to the specific datasheet provided by the manufacturer for the most accurate and detailed information.

(For reference only)