Details

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BUY DM74145N https://www.utsource.net/itm/p/443080.html

Parameter	Symbol	Conditions	Min	Typ	Max	Unit
Operating Supply Voltage	VCC	-	4.75	5.0	5.25	V
Input Low Voltage	VIL	-	0	-	1.5	V
Input High Voltage	VIH	-	3.5	-	5.25	V
Output Low Voltage	VOL	IOL = 16 mA	0	-	0.4	V
Output High Voltage	VOH	IOH = -0.4 mA	2.4	-	5.25	V
Propagation Delay Time	tpd	VCC = 5V, TA = 25°C	-	28	-	ns
Power Dissipation	PD	-	-	-	500	mW
Operating Temperature Range	TA	-	-40	-	85	°C
Storage Temperature Range	TSTG	-	-65	-	150	°C

Instructions for Using DM74145N:

1. Power Supply:

   • Ensure the supply voltage (V_CC) is within the range of 4.75V to 5.25V.
   • Connect the ground (GND) pin to a stable 0V reference.

2. Input Signals:

   • Input signals should be within the specified input low (V_IL) and input high (V_IH) voltage ranges.
   • Avoid applying voltages outside these ranges to prevent damage to the device.

3. Output Signals:

   • The output low voltage (V_OL) should not exceed 0.4V when sourcing up to 16mA.
   • The output high voltage (V_OH) should be at least 2.4V when sinking up to 0.4mA.
   • Ensure that the load connected to the output does not exceed the maximum current ratings.

4. Propagation Delay:

   • The propagation delay time (t_pd) is typically 28ns under standard conditions (V_CC = 5V, T_A = 25°C).
   • Consider this delay when designing timing-sensitive circuits.

5. Thermal Management:

   • The maximum power dissipation (P_D) is 500mW. Ensure adequate heat dissipation if operating near this limit.
   • Operate the device within the specified temperature ranges to avoid thermal stress and potential failure.

6. Storage and Handling:

   • Store the device in a dry environment with temperatures between -65°C and 150°C.
   • Handle the device with care to avoid static discharge, which can damage sensitive components.

7. Testing and Troubleshooting:

   • Use a multimeter to verify the supply voltage and ground connections.
   • Check the input and output signals with an oscilloscope to ensure they meet the specified voltage levels.
   • If the device is not functioning as expected, refer to the datasheet for additional troubleshooting tips or contact the manufacturer for support.

(For reference only)