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simulate a fanout-of-4 inverter use a unit-sized nmos transistor how wide must the pmos transistor be to achieve equal
1 prove that the pn ratio that gives lowest average delay in a logic gate is the square root of the ratio that gives
1 find the 4-bit binary-reflected gray code values for the numbers 0-152 design a gray-coded counter in which only one
1 design an ecc decoder for distance-3 hamming codes with c 3 your circuit should accept a 7-bit received word and
when adding two unsigned numbers a carry-out of the final stage indicates an overflow when adding two signed numbers in
1 design a fast 8-bit adder the inputs may drive no more than 30 q of transistor width each and the output must drive a
choose one of the circuit families mentioned in section 944 or published in a recent paper critically evaluate the
design sense-amplifier gates using each of the following circuit families to compute an 8-input xor function in a
1 sketch a diagram of the group pg tree for a 32-bit ladner-fischer adder2 write a boolean expression for cout in the
the carry increment adder in figure 1126b with variable block size requires five stages of valency-2 group pg cells for
develop equations for the logical effort and parasitic delay with respect to the c0 input of an n-stage manchester
repeat exercise 112 for a signed addsubtract unit like that shown in figure 1141b your overflow output should be a
1 write equations for a prefix computation that determines the second location in which the pattern 10 appears in an
1 sketch a 16-bit priority encoder using a kogge-stone prefix network2 use logical effort to estimate the delay of the
1 an embedded sram contains 2048 8-bit words if it is physically arranged in a square fashion how many inputs does each
estimate the dimensions of the sram array in exercise 121 using a 13 times 144 rm sram cell assuming periphery
1 explain how a pseudo-random sequence generator prsg can be used to test a 16-bit datapath how would the outputs be
you have to design an extremely fast divide by eight frequency divider that taxes the capabilities of the process you
1 explain the terms controllability observability and fault coverage2 why is it important to have a high fault coverage
1 explain what is meant by a stuck-at-1 fault and a stuck-at-0 fault2 how are sequential faults caused in cmos give an
1 explain the trade-offs between using a transmission gate or a tristate buffer to implement an fpga routing block2 a