Details

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BUY SN74HC245PWR https://www.utsource.net/itm/p/740905.html
OCTAL BUS TRANSCEIVERS WITH 3-STATE OUTPUTS

Parameter	Symbol	Conditions	Min	Typ	Max	Unit
Supply Voltage	VCC		2.0		6.0	V
Output Voltage High	VOH	IO = -4mA, TA = 25掳C			VCC-0.1	V
Output Voltage Low	VOL	IO = 16mA, TA = 25掳C	0.1			V
Input Voltage High	VIH		3.15			V
Input Voltage Low	VIL				0.85	V
Propagation Delay Time	tpd	VCC = 4.5V to 5.5V, TA = 25掳C	7		12	ns
Power Dissipation	PD	Per Package			470	mW
Operating Temperature	TA		-40		85	掳C

Instructions for SN74HC245PWR

1. Power Supply Connection:

   • Connect the VCC pin to a power supply between 2.0V and 6.0V.
   • Ensure GND is properly grounded.

2. Direction Control:

   • Use the DIR pin to control the direction of data transfer. A high signal on DIR allows data to flow from A to B; a low signal enables data transfer from B to A.

3. Enable/Disable Functionality:

   • The OE (Output Enable) pin controls whether the outputs are active or in high-impedance state. Set OE low to enable the buffer, set it high to disable.

4. Signal Integrity:

   • Keep signal paths as short as possible to minimize noise and ensure reliable operation.
   • Use proper decoupling capacitors near the power pins to stabilize the supply voltage.

5. Temperature Considerations:

   • Ensure the device operates within the temperature range of -40掳C to 85掳C for optimal performance.

6. Handling Static Electricity:

   • Handle the IC with care to avoid damage from static electricity. Use anti-static measures when handling.

7. Propagation Delay:

   • Be aware of the propagation delay time (tpd) which can affect timing-sensitive applications. Adjust your design accordingly to accommodate this delay.

8. Power Dissipation:

   • Monitor the power dissipation to ensure it does not exceed 470mW to prevent overheating and potential damage to the device.

(For reference only)