Details

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BUY 74HC74A https://www.utsource.net/itm/p/12607443.html

Parameter	Symbol	Min	Typical	Max	Unit
Supply Voltage	VCC	2.0	-	6.0	V
Input Low Voltage	VIL	-	0.8	-	V
Input High Voltage	VIH	-	2.0	-	V
Output Low Voltage (IOL=5mA)	VOL	-	0.1	-	V
Output High Voltage (IOH=-5mA)	VOH	-	4.5	-	V
Propagation Delay Time	tpd	-	9	25	ns
Power Dissipation	PD	-	100	-	mW
Operating Temperature Range	TA	-40	-	85	掳C

Instructions for Using 74HC74A:

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:

   • For a valid low input, the voltage should be less than 0.8V.
   • For a valid high input, the voltage should be greater than 2.0V.
   • Avoid floating inputs; use pull-up or pull-down resistors as needed.

3. Output Signals:

   • The output low voltage (V_OL) should be less than 0.1V when sourcing 5mA.
   • The output high voltage (V_OH) should be greater than 4.5V when sinking -5mA.

4. Propagation Delay:

   • The typical propagation delay time (t_pd) is 9ns, with a maximum of 25ns.
   • This delay is the time it takes for the output to change state after the input changes.

5. Power Dissipation:

   • The maximum power dissipation (P_D) is 100mW.
   • Ensure adequate heat dissipation if operating near this limit.

6. Temperature Range:

   • The device can operate over a temperature range from -40掳C to 85掳C.
   • Ensure the ambient temperature does not exceed these limits.

7. Handling:

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

8. Pin Configuration:

   • Refer to the datasheet for the specific pin configuration and functions.
   • Ensure correct pin connections to avoid damage to the IC.

9. Testing:

   • Before integrating the 74HC74A into a circuit, test it using a simple setup to verify functionality.
   • Use a multimeter to check for correct voltages at the input and output pins.

10. Storage:

    • Store the IC in a dry, cool place to prevent moisture damage.
    • Keep the IC in its original packaging until ready to use.

(For reference only)