Details

---

BUY 74HCT540 MM74HCT540WMX SOP20 https://www.utsource.net/itm/p/11738037.html

Parameter	Symbol	Min	Typ	Max	Unit
Supply Voltage	VCC	4.5	-	5.5	V
Input Low Voltage	VIL	0	-	1.5	V
Input High Voltage	VIH	3.5	-	5.5	V
Output Low Voltage	VOL	0	0.1	0.2	V
Output High Voltage	VOH	4.4	-	5.5	V
Input Current (Low)	IIL	-1	-	-0.4	mA
Input Current (High)	IIH	0.4	-	1	渭A
Output Current (Low)	IOL	-10	-	-25	mA
Output Current (High)	IOH	-25	-	-10	渭A
Propagation Delay Time	tpd	-	18	40	ns
Power Dissipation	PD	-	-	360	mW

Instructions for 74HCT540 MM74HCT540WMX SOP20

1. Power Supply:

   • Connect the V_CC pin to a 5V power supply.
   • Ground the GND pin.

2. Input Signals:

   • Apply input signals to the data input pins (IN1 to IN8).
   • Ensure that the input voltage levels are within the specified range (0V to 5.5V).

3. Output Signals:

   • The output pins (OUT1 to OUT8) will provide the buffered and inverted signals.
   • Ensure that the load connected to the output pins does not exceed the maximum output current ratings.

4. Enable/Disable Control:

   • Use the enable pin (EN) to control the operation of the buffer.
   • When EN is high, the outputs are active.
   • When EN is low, the outputs are in a high-impedance state.

5. Handling Precautions:

   • Handle the IC with care to avoid static damage.
   • Ensure proper heat dissipation if operating at maximum power dissipation.
   • Avoid exceeding the maximum ratings to prevent damage to the device.

6. Storage:

   • Store the IC in a dry, cool place to prevent moisture damage.
   • Use anti-static packaging when storing or transporting the IC.

7. Mounting:

   • Solder the IC to the PCB using a temperature-controlled soldering iron.
   • Ensure that the pins are aligned correctly before soldering.
   • Allow the IC to cool down after soldering to avoid thermal shock.

8. Testing:

   • After mounting, test the functionality of the IC by applying known input signals and verifying the output signals.
   • Use a multimeter or oscilloscope to measure the voltages and waveforms at the input and output pins.

(For reference only)