Details

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BUY SN74AHCT245N https://www.utsource.net/itm/p/9195191.html

Parameter	Symbol	Conditions	Min	Typ	Max	Unit
Supply Voltage	VCC		2.0		6.0	V
Input High-Level Voltage	VIH	IL = -0.4 mA	2.0		VCC	V
Input Low-Level Voltage	VIL	IH = 0.4 mA	0		0.8	V
Output High-Level Voltage	VOH	IO = -4 mA	VCC - 0.5		VCC - 0.1	V
Output Low-Level Voltage	VOL	IO = 16 mA	0		0.4	V
Propagation Delay Time	tp	VCC = 4.5V, TA = 25°C	7			ns
Power Dissipation	PD				390	mW

Instructions for SN74AHCT245N

1. Power Supply:

   • Ensure the supply voltage (V_CC) is within the specified range of 2.0V to 6.0V.

2. Input Signal Levels:

   • For reliable operation, input high-level voltages should be between 2.0V and V_CC.
   • Input low-level voltages should be between 0V and 0.8V.

3. Output Signal Levels:

   • The output high-level voltage should not drop below V_CC - 0.5V under a load current of -4 mA.
   • The output low-level voltage should not exceed 0.4V under a load current of 16 mA.

4. Propagation Delay:

   • At a typical operating condition of V_CC = 4.5V and ambient temperature (TA) = 25°C, the propagation delay time is approximately 7 ns.

5. Power Dissipation:

   • The maximum power dissipation should not exceed 390 mW to avoid overheating and potential damage to the device.

6. Handling Precautions:

   • Handle with care to avoid electrostatic discharge (ESD), which can damage the component.
   • Ensure proper heat sinking if operating near the maximum power dissipation limits.

7. Application Considerations:

   • This device is suitable for bus-oriented applications requiring bidirectional data transfer.
   • Use appropriate pull-up or pull-down resistors as needed based on your circuit design.

(For reference only)