Details

---

BUY CD74HCT245E https://www.utsource.net/itm/p/11694192.html
IC TXRX NON-INVERT 5.5V 20DIP

Parameter	Symbol	Conditions	Min	Typical	Max	Unit
Supply Voltage	VCC	Continuous Operating Range	2.0	-	6.0	V
Input Voltage (Low)	VIL	VCC = 4.5V to 5.5V	-0.5	-	1.5	V
Input Voltage (High)	VIH	VCC = 4.5V to 5.5V	3.5	-	VCC + 0.5	V
Output Voltage (Low)	VOL	IOL = 25mA, VCC = 4.5V to 5.5V	0.0	-	0.4	V
Output Voltage (High)	VOH	IOH = -25mA, VCC = 4.5V to 5.5V	VCC - 0.4	-	VCC	V
Input Leakage Current	IIL	VCC = 4.5V to 5.5V	-1.0	-	1.0	μA
Output Leakage Current	IOL	VCC = 4.5V to 5.5V	-1.0	-	1.0	μA
Propagation Delay Time	tpd	VCC = 5V, TA = 25°C	-	8.0	18.0	ns
Power Dissipation	PD	Maximum at TA = 70°C	-	-	390	mW
Operating Temperature Range	TA	-	-40	-	85	°C
Storage Temperature Range	TSTG	-	-65	-	150	°C

Instructions for Using CD74HCT245E:

1. Power Supply:

   • Ensure the supply voltage (V_CC) is within the range of 2.0V to 6.0V.
   • Connect V_CC to the positive power supply and GND to the ground.

2. Input Signals:

   • Apply input signals (V_IL and V_IH) within the specified voltage ranges.
   • Ensure that the input signals do not exceed the supply voltage plus 0.5V or go below -0.5V to avoid damage.

3. Output Signals:

   • The output signals (V_OL and V_OH) will be within the specified voltage ranges depending on the load current.
   • Ensure that the output current does not exceed the maximum ratings to avoid overheating and damage.

4. Propagation Delay:

   • The propagation delay time (t_pd) is crucial for timing considerations in your circuit. It should be considered when designing the system to ensure proper operation.

5. Temperature Considerations:

   • Operate the device within the specified temperature range (-40°C to 85°C) for reliable performance.
   • Store the device within the storage temperature range (-65°C to 150°C).

6. Handling:

   • Handle the device with care to avoid static discharge, which can damage the internal components.
   • Use appropriate ESD protection measures during handling and installation.

7. Mounting:

   • Mount the device on a suitable PCB with proper heat dissipation if necessary.
   • Follow the recommended PCB layout guidelines to ensure optimal performance and reliability.

8. Testing:

   • Test the device under the specified conditions to verify its functionality.
   • Use a multimeter or oscilloscope to check the input and output voltages and currents.

By following these parameters and instructions, you can ensure the proper and safe operation of the CD74HCT245E.

(For reference only)