Decoders:A decoder is a combinational circuit with n-inputs and 2 outputs. The available outputs (in the formof either minterms or Maxterms) are utilized in implementing Boolean functions.Multiplexers:A multiplexer is a combinational circuit with 2" inputs, n select lines, and single output. Thestructural design of the multiplexer can be used to implement a Boolean function.ICSThe 74LS138 is a 3x8 Decoder but all of its outputs are inverted (that is, the decoder is madeof NAND gates).▪Here 74153 is a dual 4 to 1 Multiplexer with two select inputs (S1,S0) common to both theMultiplexers. (A0-A3) are the inputs and YA is the output for MUX-A. GA is the enable tothe MUX-A. (B0-B3) are the inputs and YB is the output for MUX-B. GB is the enable to theMUX-B. GA and GB are active low enable inputs.▪Address input pin AAddress input pinAddress input pin dEnable input (active LOW)Enable input (active LOW)Enable input (active HIGH) oOutput pin 7 YGND74LS138vocve Output pin 0Output pin 12 Output pin 2Output pin 34 Output pin 4Output pin 5ve Output pin 6{CCHE FEAR32222 SAO153YAYBGBS1 SOad153: Connect pin 16 toVCC & Pin 8 to thecommon ground.Connect pin 1 to GNDto functionMUX-A, or connectpin 15 to GND forusing MUX-B.Experiment 4: A Nuclear power station has a safety system based on three input conditions namely,Temperature (T), Reactor Pressure (P) and Cooling Water (W). An Alarming signal A is producedwhen certain situations based on the inputs occur in the station. A =1 when any of the followingoccurs.a. (T> 115°C AND W<= 120 liters/hour) ORb. (T <= 115°C AND P< 15 bar) OR (W<= 120 liters/hour).The rule of coding T, P and W, in binary form as below:Rule 1: T=1 when T> 115°C and T=0 when T <= 115ºC.Rule 2: P = 1 when P> 15 bar and P=0 when P <= 15 bar.Rule 3: W = 1 when W> 120 liters/hour and W=0 when W <= 120 liters/hour.1. Write the Boolean equation A(r. P. w) for the safety sytem. 2. Construct the Truth table corresponding to 1 [ACT. P, w)].3. Implement the Truth table using 4x1 MUX.

We need to create truth table for the given Boolean scenario and implement using mux.

Decoders: A decoder is a combinational circuit with n-inputs and 2 outputs. The available outputs (in the form of either minterms or Maxterms) are utilized in implementing Boolean functions. Multiplexers: A multiplexer is a combinational circuit with 2" inputs, n select lines, and single output. The structural design of the multiplexer can be used to implement a Boolean function. ICS • The 74LS138 is a 3x8 Decoder but all of its outputs are inverted (that is, the decoder is made of NAND gates). • Here 74153 is a dual 4 to 1 Multiplexer with two select inputs (S1,S0) common to both the Multiplexers. (A0-A3) are the inputs and YA is the output for MUX-A. GA is the enable to the MUX-A. (B0-B3) are the inputs and YB is the output for MUX-B. GB is the enable to the MUX-B. GA and GB are active low enable inputs. Address input pin Address input pini Address input pin Enable input (active LOW) STA Enable input (active LOW) C Enable input (active HIGH) Output pin 7 v GND 74LS138 voc ve Output pin 0 Output pin 1 2 Output pin 2 Output pin 3 4 Output pin 4 vs Output pin 5 Output pin 6 इनननननननन 32222 2858 路 3 YA YB GBS1 SO 153: Connect pin 16 to VCC & Pin 8 to the common ground. Connect pin 1 to GND to function MUX-A, or connect pin 15 to GND for using MUX-B. Experiment 4: A Nuclear power station has a safety system based on three input conditions namely, Temperature (T), Reactor Pressure (P) and Cooling Water (W). An Alarming signal A is produced when certain situations based on the inputs occur in the station. A -1 when any of the following occurs. a. (T> 115°C AND W<- 120 liters/hour) OR b. (T 115°C AND P< 15 bar) OR (W<= 120 liters/hour). The rule of coding T, P and W, in binary form as below: Rule 1: T-1 when T> 115°C and T=0 when T <= 115°C. Rule 2: P-1 when P> 15 bar and P=0 when P <= 15 bar. Rule 3: W-1 when W> 120 liters/hour and W-0 when W <- 120 liters/hour. 1. Write the Boolean equation A(T. P. w) for the safety sytem.