Q- We are implementing a 3-input AND gate using the following circuit: We can replace BLOCK with number of (a) Buffers or (b) Inverters. The delay of buffer is Tp=2ns. Now we need to choose components such that we have proper output at F= X.Y.Z and the waveforms are as: Ans: Now if we orally […]
Tag: gates
Logical Functions: XOR, XNOR
XOR: It is also called exclusive OR gate. It is an odd function. In general, it is equal to 1 if input variables have odd number of 1’s. For 2 variable it is defined as z=x’y+xy’. We don’t have muti input XOR gates because it is quiet uneconomical from hardware point of view. It is […]
Logic Gates
Following are the basic logical operations which we can operate on binary variables: AND: This operation is represented by dot (.) If we two binary variables as x and y then we can represent AND operation by z=x.y and resultant of the operations is also a binary variable. Following table represents result of AND of every […]