Details

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BUY 74C244N https://www.utsource.net/itm/p/12609748.html

Parameter	Symbol	Conditions	Min	Typ	Max	Unit
Supply Voltage	Vcc		3.0		18	V
Input Low Voltage	VIL	IIL = 1.0 mA	-0.5		2.0	V
Input High Voltage	VIH	IIH = 0.4 mA	3.0		Vcc+0.5	V
Output Low Voltage	VOL	IO = 4.0 mA	-0.5		0.1	V
Output High Voltage	VOH	IO = -0.4 mA			Vcc-0.1	V
Propagation Delay Time	tpD	Vcc = 10V		75		ns
Power Dissipation	PD				200	mW
Operating Temperature	Topr		-40		85	掳C

Instructions for Use of 74C244N:

1. Power Supply:

   • Ensure the supply voltage (Vcc) is within the specified range of 3.0V to 18V.

2. Input Signals:

   • Input signals should be within the valid logic levels:
     • Low input (VIL): from -0.5V to 2.0V.
     • High input (VIH): from 3.0V to Vcc + 0.5V.

3. Output Signals:

   • When outputting low, the voltage should not exceed 0.1V at a current of 4.0mA.
   • When outputting high, the voltage should be at least Vcc - 0.1V at a current of -0.4mA.

4. Propagation Delay:

   • The typical propagation delay time (tpD) is 75ns at a supply voltage of 10V.

5. Thermal Considerations:

   • The device can operate in environments with temperatures ranging from -40掳C to 85掳C.
   • Ensure that the power dissipation does not exceed 200mW to avoid overheating.

6. Handling and Storage:

   • Store in a dry environment to prevent damage.
   • Handle with care to avoid electrostatic discharge (ESD) which can damage the device.

7. Application:

   • This octal buffer/line driver is suitable for driving loads requiring higher current or voltage than TTL circuits can provide directly. It can also be used as a non-inverting buffer to isolate sections of a circuit.

(For reference only)