Details

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BUY 74AC02 https://www.utsource.net/itm/p/12608397.html

Parameter	Symbol	Conditions	Min	Typical	Max	Unit
Supply Voltage	VCC	Operating Range	1.5	-	5.5	V
Input High Voltage	VIH	IIH = 20 渭A	2.0	-	5.5	V
Input Low Voltage	VIL	IIL = -20 渭A	0.0	-	0.8	V
Output High Voltage	VOH	IOH = -400 渭A	2.4	-	5.0	V
Output Low Voltage	VOL	IOL = 400 渭A	0.0	-	0.1	V
Propagation Delay	tpd	VCC = 5V, TA = 25掳C	-	6.5	9.5	ns
Power Consumption	Ptot	VCC = 5V, f = 1 MHz	-	10	-	mW

Instructions for Using 74AC02:

1. Power Supply:

   • Connect V_CC to +5V (or within the operating range of 1.5V to 5.5V).
   • Connect GND to 0V.

2. Input Signals:

   • Apply logic high (V_IH) or low (V_IL) signals to the input pins.
   • Ensure that the input voltages are within the specified ranges to avoid damage or incorrect operation.

3. Output Signals:

   • The output pins will provide logic high (V_OH) or low (V_OL) signals based on the logic function of the 74AC02 (quad 2-input NOR gates).
   • Ensure that the load connected to the output does not exceed the maximum current ratings.

4. Propagation Delay:

   • The propagation delay (t_pd) is the time it takes for the output to change state after the input changes.
   • At V_CC = 5V and T_A = 25掳C, the typical propagation delay is 6.5 ns with a maximum of 9.5 ns.

5. Power Consumption:

   • The power consumption (P_tot) at V_CC = 5V and a frequency of 1 MHz is typically 10 mW.

6. Operating Temperature:

   • The device is designed to operate over a temperature range from -40掳C to 85掳C.

7. Handling:

   • Handle the device with care to avoid static discharge which can damage the internal circuits.
   • Use appropriate ESD protection measures when handling the device.

8. Storage:

   • Store the device in a dry, cool place to prevent moisture damage.

By following these guidelines, you can ensure reliable and efficient operation of the 74AC02 quad 2-input NOR gate.

(For reference only)