Details

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BUY SN74LC244A https://www.utsource.net/itm/p/12606500.html

Parameter	Symbol	Min	Typical	Max	Unit	Conditions
Supply Voltage	VCC	4.5	-	5.5	V
Input Low Voltage	VIL	-0.5	-	1.5	V
Input High Voltage	VIH	3.5	-	5.5	V
Output Low Voltage	VOL	-0.5	-	0.4	V	IOL = 16 mA, VCC = 5V
Output High Voltage	VOH	2.4	-	5.5	V	IOH = -4 mA, VCC = 5V
Input Leakage Current	IIL	-1	-	1	渭A	VCC = 5V
Output Sink Current	IOL	-	16	-	mA	VOL = 0.4V, VCC = 5V
Output Source Current	IOH	-	-4	-	mA	VOH = 2.4V, VCC = 5V
Propagation Delay Time	tpd	-	9	18	ns	VCC = 5V, TA = 25掳C
Power Dissipation	PD	-	-	100	mW	Per Package
Operating Temperature	TA	-40	-	85	掳C
Storage Temperature	TSTG	-65	-	150	掳C

Instructions for Using SN74LC244A

1. Power Supply:

   • Connect V_CC to +5V and GND to ground.
   • Ensure the power supply is stable and within the specified range (4.5V to 5.5V).

2. Input Connections:

   • Connect the input pins (1A to 8A and 9A to 16A) to your signal sources.
   • Ensure that the input voltages are within the valid range (V_IL to V_IH).

3. Output Connections:

   • Connect the output pins (1Y to 8Y and 9Y to 16Y) to the load or next stage of your circuit.
   • Ensure that the output current does not exceed the maximum ratings (I_OL and I_OH).

4. Enable/Disable Control:

   • Use the enable pins (1G and 19G) to control the operation of the buffers.
   • Set 1G and 19G to low (0V) to enable the buffers.
   • Set 1G and 19G to high (V_CC) to disable the buffers.

5. Propagation Delay:

   • Account for the propagation delay (t_pd) when designing your timing circuits to ensure proper signal synchronization.

6. Thermal Management:

   • Ensure adequate heat dissipation if operating near the maximum power dissipation limit.
   • Use a heatsink if necessary, especially in high-power applications.

7. Storage and Handling:

   • Store the device in a dry environment within the storage temperature range (-65掳C to 150掳C).
   • Handle with care to avoid damage from electrostatic discharge (ESD).

8. Testing:

   • Before integrating the SN74LC244A into your final design, test it on a breadboard or prototype board to verify functionality.
   • Use a multimeter to check for correct voltage levels and current draw.

By following these instructions, you can effectively integrate the SN74LC244A into your digital circuits.

(For reference only)