Details

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BUY SN74HCT245DWR https://www.utsource.net/itm/p/12599558.html

Parameter	Symbol	Min	Typ	Max	Unit	Notes
Supply Voltage	VCC	2.0	-	6.0	V
Input Low Voltage	VIL	-0.5	-	1.5	V
Input High Voltage	VIH	3.5	-	VCC+0.5	V
Output Low Voltage (IOL=16mA)	VOL	-0.5	-	0.4	V
Output High Voltage (IOH=-4mA)	VOH	2.4	-	VCC	V
Propagation Delay Time	tpd	-	8	18	ns
Power Dissipation	PD	-	-	150	mW
Operating Temperature Range	TA	-40	-	85	掳C
Storage Temperature Range	TSTG	-65	-	150	掳C

Instructions for Using SN74HCT245DWR

1. Power Supply:

   • Ensure the supply voltage (V_CC) is within the range of 2.0V to 6.0V.
   • Connect the ground (GND) pin to a stable ground reference.

2. Input Signals:

   • Input signals should be within the valid logic levels:
     • Low level (V_IL): -0.5V to 1.5V
     • High level (V_IH): 3.5V to V_CC+0.5V

3. Output Signals:

   • When driving loads, ensure the output current does not exceed the specified limits:
     • Output low (V_OL): -0.5V to 0.4V at I_OL=16mA
     • Output high (V_OH): 2.4V to V_CC at I_OH=-4mA

4. Propagation Delay:

   • The propagation delay time (t_pd) is typically 8ns with a maximum of 18ns. This is crucial for timing considerations in your circuit design.

5. Power Dissipation:

   • The maximum power dissipation (P_D) is 150mW. Ensure adequate heat dissipation if operating near this limit.

6. Temperature Considerations:

   • The operating temperature range (T_A) is -40掳C to 85掳C.
   • The storage temperature range (T_STG) is -65掳C to 150掳C. Store the device in a suitable environment to avoid damage.

7. Handling:

   • Handle the device with care to avoid static damage. Use proper ESD protection measures when handling the IC.

8. Pin Configuration:

   • Refer to the datasheet for the specific pin configuration and layout of the SN74HCT245DWR to ensure correct connections.

9. Testing:

   • Before integrating the SN74HCT245DWR into a larger system, test it individually to verify its functionality and performance.

10. Documentation:

    • Always refer to the latest datasheet and application notes from the manufacturer for detailed information and updates.

(For reference only)