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An SR latch is implemented using TTL gates as shown in the figure. The set and reset pulse inputs are provided using the push-button switches. It is observed that the circuit fails to work as desired. The SR latch can be made functional by changing
- a)NOR gates to NAND gates
- b)inverters to buffers
- c)NOR gates to NAND gates and inverters to buffers
- d)5 V to ground
Correct answer is option 'D'. Can you explain this answer?
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An SR latch is implemented using TTL gates as shown in the figure. The...
Concept:
- In the TTL logic gate, open-end or floating end are considered as logic-1.
- For the circuit to work as an S & R latch, S & R should act as logic-0 as well as logic- 1 on requirement.
Analysis:
- If we connect set which is equal to 5 volts, then it will be considered as logic-1.
- If we do not connect 5 Volts to set switch i.e. if we make set switch ‘open’ then it will again be considered as a logic -1, because it is a TTL gate.
- So we have to replace 5 V supply with 0 Volts by connecting it to ground. So logic-0 is also possible for switch ‘set’ & ‘reset’.
Hence for the above circuit to work as an SR latch, 5-volt battery should connect to ground.
Hence option -4 is Correct.
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Community Answer
An SR latch is implemented using TTL gates as shown in the figure. The...
Concept:
- In the TTL logic gate, open-end or floating end are considered as logic-1.
- For the circuit to work as an S & R latch, S & R should act as logic-0 as well as logic- 1 on requirement.
Analysis:
- If we connect set which is equal to 5 volts, then it will be considered as logic-1.
- If we do not connect 5 Volts to set switch i.e. if we make set switch ‘open’ then it will again be considered as a logic -1, because it is a TTL gate.
- So we have to replace 5 V supply with 0 Volts by connecting it to ground. So logic-0 is also possible for switch ‘set’ & ‘reset’.
Hence for the above circuit to work as an SR latch, 5-volt battery should connect to ground.
Hence option -4 is Correct.
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An SR latch is implemented using TTL gates as shown in the figure. The set and reset pulse inputs are provided using the push-button switches. It is observed that the circuit fails to work as desired. The SR latch can be made functional by changinga)NOR gates to NAND gatesb)inverters to buffersc)NOR gates to NAND gates and inverters to buffersd)5 V to groundCorrect answer is option 'D'. Can you explain this answer?
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An SR latch is implemented using TTL gates as shown in the figure. The set and reset pulse inputs are provided using the push-button switches. It is observed that the circuit fails to work as desired. The SR latch can be made functional by changinga)NOR gates to NAND gatesb)inverters to buffersc)NOR gates to NAND gates and inverters to buffersd)5 V to groundCorrect answer is option 'D'. Can you explain this answer? for Electrical Engineering (EE) 2024 is part of Electrical Engineering (EE) preparation. The Question and answers have been prepared according to the Electrical Engineering (EE) exam syllabus. Information about An SR latch is implemented using TTL gates as shown in the figure. The set and reset pulse inputs are provided using the push-button switches. It is observed that the circuit fails to work as desired. The SR latch can be made functional by changinga)NOR gates to NAND gatesb)inverters to buffersc)NOR gates to NAND gates and inverters to buffersd)5 V to groundCorrect answer is option 'D'. Can you explain this answer? covers all topics & solutions for Electrical Engineering (EE) 2024 Exam. Find important definitions, questions, meanings, examples, exercises and tests below for An SR latch is implemented using TTL gates as shown in the figure. The set and reset pulse inputs are provided using the push-button switches. It is observed that the circuit fails to work as desired. The SR latch can be made functional by changinga)NOR gates to NAND gatesb)inverters to buffersc)NOR gates to NAND gates and inverters to buffersd)5 V to groundCorrect answer is option 'D'. Can you explain this answer?.
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