The BCD/DEC decoder shown in figure (a) is examined with a logic analyzer and the results are shown in the waveforms in figure (b). What, if anything, is wrong with the circuit?

Question

No answer description is available.Let's discuss.

Accepted Answer

TheA1 input is internally open.

Answer

The "2" output is shorted toVcc.

Answer

TheA1 input node is internally stuck LOW.

Answer

Nothing is wrong with the circuit.