1 This Activity Sheet Will Study The Ttl Nand Logic Gate The Number Is 74aaaa00 Check To Ensure This Number Is On The 1 (54.15 KiB) Viewed 27 times
1. This Activity Sheet will study the TTL NAND Logic gate. The number is 74AAAA00, check to ensure this number is on the DIP chip you install on your bread board. 2. For the purposes of data collection, ONLY record LED status when both of the switches are in the full throw position.- 3. The 330 22 resistor may be replaced with one of greater value. 7400 Quad 2-input NAND Gates Vcc 4B 4A 4Y 3B 3A 3Y 14 13/12/11 1009 8 1 2 3 4 5 67 1A 1Y 1B 14 2A 2B 2Y GND
L Procedure: 1) Construct the circuit in Figure below on your breadboard. VCC 5.0V VCC 5.0V Pin 1 Pin 14 Pin 3 S2 R1 >3300 Pin_7 ㅗ Pin 2 LED1 2. Use the switches to test the operation of the gate. Using the LED as an indicator, fill in the table below for each possible condition. Using the multimeter, measure the value of the voltage at the output of the logic gate, across the resistor and across the LED for each possible condition. + 2 Pin 1 Voltage Pin 2 Voltage Gate Output Voltage (Pin 3) VR(330) VLED ܒܢ ܒܢ tt titt e الم الم 3. Record the value of the resistor 4. What is the current through the LED?
5. Convert 330,000 Ω to MΩ (Mega Ohms = 1x 108). Η 2. 3.3 ΜΩΡ 6. 0.33 ΜΩ C. 330 ΜΩΡ d. 33 ΜΩΡ 6. Find the resistance in k2, if voltage is 120V and current is 2.5 mA
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