Details

---

BUY SN74ACT244PWR https://www.utsource.net/itm/p/495438.html
Octal Buffers/Drivers With 3-State Outputs 20-TSSOP -40 to 85

Parameter	Description	Min	Typ	Max	Unit
Supply Voltage (VCC)	Operating supply voltage	1.65		3.6	V
Output Current (IOH)	Output current, high-level output	-	-4	-8	mA
Output Current (IOL)	Output current, low-level output	4	8	16	mA
Propagation Delay Time (tpd)	Propagation delay time	2.9		4.7	ns
Power Dissipation (PD)	Total power dissipation			340	mW
Operating Temperature Range	Ambient operating temperature range	-40		85	°C

Instructions for SN74ACT244PWR

1. Power Supply Connection:

   • Connect the VCC pin to a stable power supply within the specified voltage range (1.65V to 3.6V).
   • Ensure the GND pin is connected to ground.

2. Signal Input Handling:

   • Apply input signals to the data input pins ensuring they do not exceed the supply voltage levels.
   • Avoid floating inputs; tie unused inputs to VCC or GND as appropriate.

3. Output Load Management:

   • Keep the output load within the specified output current limits to prevent damage.
   • For reliable operation, ensure the load impedance is compatible with the driver’s capability.

4. Propagation Delay Consideration:

   • Account for the propagation delay in your timing calculations to ensure proper signal synchronization.

5. Thermal Management:

   • Ensure adequate heat dissipation if operating near the maximum power dissipation limit.
   • Use heatsinks or thermal vias if necessary, especially in confined spaces or higher ambient temperatures.

6. Handling Precautions:

   • Handle the device with care to avoid electrostatic discharge (ESD), which can damage sensitive components.
   • Follow standard ESD handling procedures during assembly and testing.

7. Environmental Conditions:

   • Operate the device within the specified temperature range (-40°C to 85°C) to ensure reliability and longevity.
   • Protect from moisture and corrosive environments.

(For reference only)