Details

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BUY 74HC245PW https://www.utsource.net/itm/p/12511173.html

Parameter	Symbol	Min	Typ	Max	Unit
Supply Voltage	VCC	2.0	-	6.0	V
Input Low Voltage	VIL	-	-	1.5	V
Input High Voltage	VIH	3.5	-	-	V
Output Low Voltage	VOL	-	0.1	0.4	V
Output High Voltage	VOH	2.4	-	VCC-0.5	V
Input Current (Low)	IIL	-	-1	-	mA
Input Current (High)	IIH	-	20	-	渭A
Output Current (Low)	IOL	-15	-	-	mA
Output Current (High)	IOH	-	-	15	mA
Propagation Delay Time	tpd	-	8	20	ns
Power Dissipation	PD	-	-	100	mW
Operating Temperature Range	TA	-40	-	85	掳C
Storage Temperature Range	TSTG	-65	-	150	掳C

Instructions for Using 74HC245PW

1. Power Supply:

   • Connect V_CC to the positive supply voltage (2.0V to 6.0V).
   • Connect GND to the ground.

2. Direction Control:

   • The direction of data transfer is controlled by the DIR pin.
   • When DIR = 0, data is transferred from A to B.
   • When DIR = 1, data is transferred from B to A.

3. Output Enable:

   • The output enable pin (OE) controls whether the outputs are active or high-impedance.
   • When OE = 0, the outputs are active.
   • When OE = 1, the outputs are in high-impedance state.

4. Data Inputs and Outputs:

   • Connect the data inputs (A0-A7) and data outputs (B0-B7) to the appropriate signals in your circuit.
   • Ensure that the input signals are within the valid range (V_IL and V_IH).

5. Propagation Delay:

   • The propagation delay time (t_pd) is the time it takes for a change in the input signal to be reflected at the output. It typically ranges from 8 to 20 nanoseconds.

6. Temperature Considerations:

   • The device operates over a temperature range of -40掳C to 85掳C.
   • Store the device in a temperature range of -65掳C to 150掳C.

7. Power Dissipation:

   • Ensure that the power dissipation does not exceed 100 mW to avoid overheating and potential damage to the device.

8. Handling Precautions:

   • Handle the device with care to avoid static damage.
   • Use proper anti-static measures when handling and storing the device.

9. Testing:

   • Before integrating the device into a larger system, test its functionality using a simple circuit to ensure it meets the required specifications.

(For reference only)