Details

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BUY GD74F08 https://www.utsource.net/itm/p/12607612.html

Parameter	Symbol	Conditions	Min	Typ	Max	Unit
Supply Voltage	Vcc	Operating	2.0	5.0	6.0	V
Input High Voltage	VIH	Vcc = 4.5V to 5.5V	2.0	-	Vcc	V
Input Low Voltage	VIL	Vcc = 4.5V to 5.5V	0	-	0.8	V
Output High Voltage	VOH	Vcc = 4.5V to 5.5V	2.4	-	Vcc	V
Output Low Voltage	VOL	Vcc = 4.5V to 5.5V	0	-	0.4	V
Input Leakage Current	IIH	VIH = Vcc, Vcc = 4.5V to 5.5V	-1	1	20	渭A
Input Leakage Current	IIL	VIL = 0V, Vcc = 4.5V to 5.5V	-1	1	20	渭A
Output Leakage Current	IOH	VOH = Vcc, Vcc = 4.5V to 5.5V	-0.4	0.4	4.0	mA
Output Leakage Current	IOL	VOL = 0V, Vcc = 4.5V to 5.5V	-4.0	-0.4	0.4	mA
Propagation Delay Time (Typical)	tpd	Vcc = 5V, TA = 25掳C	-	9	-	ns

Instructions for Using GD74F08

1. Power Supply:

   • Ensure the supply voltage (Vcc) is within the range of 2.0V to 6.0V.
   • Use a stable power source to avoid voltage fluctuations that could affect performance.

2. Input Levels:

   • For a valid high input (VIH), the voltage should be at least 2.0V when Vcc is between 4.5V and 5.5V.
   • For a valid low input (VIL), the voltage should be no more than 0.8V when Vcc is between 4.5V and 5.5V.

3. Output Levels:

   • The output high voltage (VOH) will be at least 2.4V when Vcc is between 4.5V and 5.5V.
   • The output low voltage (VOL) will be no more than 0.4V when Vcc is between 4.5V and 5.5V.

4. Leakage Currents:

   • Monitor input leakage currents (IIH and IIL) to ensure they do not exceed 20渭A.
   • Monitor output leakage currents (IOH and IOL) to ensure they stay within the specified limits.

5. Propagation Delay:

   • The typical propagation delay time (tpd) is 9ns at Vcc = 5V and TA = 25掳C. This can vary slightly depending on operating conditions.

6. Handling and Storage:

   • Handle the IC with care to avoid static damage.
   • Store in a dry environment to prevent moisture-related issues.

7. Circuit Design:

   • Ensure proper decoupling capacitors are placed close to the power pins to filter out noise.
   • Use appropriate pull-up or pull-down resistors if necessary to maintain stable logic levels.

8. Operating Temperature:

   • The IC is designed to operate within a temperature range of -40掳C to +85掳C. Ensure the ambient temperature does not exceed these limits.

By following these instructions, you can ensure optimal performance and reliability of the GD74F08 IC in your circuits.

(For reference only)