TC74HC00AP

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QUAD 2 INPUT NAND GATE

Instructions for Using the TC74HC00AP

1. Supply Voltage (V_CC):

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

2. Input Voltage Levels:

   • For a logic low input (V_IL), the voltage should be less than or equal to 1.5V when V_CC is between 4.5V and 5.5V.
   • For a logic high input (V_IH), the voltage should be greater than or equal to 3.5V when V_CC is between 4.5V and 5.5V.

3. Output Voltage Levels:

   • When the output is low (V_OL), it should not exceed 0.2V under a load current of 8 mA.
   • When the output is high (V_OH), it should be at least 4.5V under a load current of -0.4 mA.

4. Propagation Delay (t_pd):

   • The propagation delay time is the time it takes for the output to change state after the input changes. It typically ranges from 9 to 18 nanoseconds at room temperature (25°C).

5. Power Dissipation (P_D):

   • The maximum power dissipation is 500 mW at 25°C. Ensure proper heat dissipation if operating near this limit.

6. Handling and Storage:

   • Handle the device with care to avoid static damage.
   • Store in a dry, cool place away from direct sunlight and sources of heat.

7. Circuit Design:

   • Use appropriate decoupling capacitors (e.g., 0.1 μF) close to the V_CC and GND pins to filter out noise.
   • Ensure all unused inputs are tied to a known state (either V_CC or GND) to prevent floating inputs.

8. Testing and Troubleshooting:

   • Verify the supply voltage and input signals using a multimeter.
   • Check for correct pin connections and ensure there are no short circuits.
   • If the device does not function as expected, refer to the datasheet for additional troubleshooting tips.