Details

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BUY SN74AS250ANT https://www.utsource.net/itm/p/9009211.html

Parameter	Symbol	Conditions	Min	Typ	Max	Unit
Supply Voltage	VCC	Operating	4.75		5.25	V
Input Low Voltage	VI(L)		0		0.8	V
Input High Voltage	VI(H)		2		VCC	V
Output Low Voltage	VO(L)	IO = 16 mA	0		0.4	V
Output High Voltage	VO(H)	IO = -4 mA	VCC-0.1		VCC	V
Propagation Delay Time	tpd			5		ns
Power Dissipation	PD				500	mW

Instructions for SN74AS250ANT:

1. Power Supply:

   • Ensure the supply voltage (VCC) is within the range of 4.75V to 5.25V to avoid damage or malfunction.

2. Input Signals:

   • For valid logic low, input voltages should not exceed 0.8V.
   • For valid logic high, input voltages should be at least 2V and can go up to VCC.

3. Output Levels:

   • When sourcing current (output high), the output voltage will be close to VCC, typically within 0.1V less than VCC.
   • When sinking current (output low), ensure the output voltage does not exceed 0.4V when driving up to 16mA.

4. Propagation Delay:

   • The typical propagation delay time is 5ns, which is critical for timing considerations in your design.

5. Power Dissipation:

   • Keep power dissipation below 500mW to prevent overheating and potential damage to the device.

6. Handling:

   • Handle with care to avoid ESD damage. Use proper ESD protection measures during handling and installation.

7. Mounting:

   • Ensure proper mounting on the PCB to maintain thermal performance and reliability. Follow manufacturer guidelines for recommended PCB layout and thermal management.

(For reference only)