Discussion Overview
The discussion revolves around the behavior of RS flip flops when replacing a NOR gate with an OR gate. Participants explore the implications of this change on the outputs and the fundamental requirements for bistable circuits.
Discussion Character
- Exploratory, Technical explanation, Debate/contested
Main Points Raised
- One participant asserts that replacing the NOR gate with an OR gate results in indeterminate outputs, specifically that both Q and Q' will yield 1 when both inputs are 0.
- Another participant suggests a methodical approach to determine outputs by varying the Set and Reset inputs, starting from both being 1 and then both being 0.
- A participant adds a diagram link to illustrate the RS flip flop using a NOR gate.
- One participant mentions a general principle that a bistable circuit requires an inverting function, proposing that XOR gates could potentially be used, though they express uncertainty about this approach.
- A later reply challenges the feasibility of creating a bistable circuit with just two XOR gates, emphasizing the necessity of an inverting logic function.
- Another participant agrees that a solution with only XOR gates is not possible and also questions the viability of using diode-only logic for this purpose.
Areas of Agreement / Disagreement
Participants express differing views on the outputs of the RS flip flop when changing the gate type, and there is no consensus on the possibility of creating a bistable circuit with XOR gates or diode-only logic.
Contextual Notes
Participants discuss the implications of changing gate types without resolving the underlying assumptions about the behavior of bistable circuits and the necessity of inverting functions.