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Digital Design Engineer Interview Questions

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Create a 8 input AND gate using 3 4:1 muxes

7 Answers

Without an enable bit on at least one of the mux's the maximum inputs would be 7.

Not so. You only need 2 4:1 muxes. Have the output of the first be the select to the second. 8 input and gate.

tie 3 0's to the three inputs of initial 2 4x1 mux, the 3rd input be an actual input, 2 sel be 2 inputs. feed the output of the results of the two muxes as sel to the 3rd mux and tie the last inputs to actual inputs and top two inputs to 0's.

What is MOESI?

2 Answers

State Machine, Timing Analysis

1 Answer

Have you ever worked with a slow employee?

1 Answer

Given integers from 0-100 stored in an array of size 100 how will you find the missing number? Numbers are randomly entered in the array.

2 Answers

What is setup time and hold time? What's the consequences of setup time and hold time violations?

1 Answer

What is a state machine? What's the applications for it?

1 Answer

How Sense Amplifier works.

3 Answers

Why there is a pinch-off during saturation mode of a CMOS device?

1 Answer

Verilog question with additional requirements. Design a FSM providing fibonacci sequence with enable and reset. Output should be immediate.

2 Answers
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