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D. D. Q. Q. C. C. Figure 1. I4. X. A. I0. G1. Y. B. I1. I5. G2. G4. I2. C. G3. G5. CLK. I3. Dff timings: Tcq= 3ns, Tsu = 2 ns, Thd = 1ns. Input/Output buffer delay = 5ns, all other gates= 4ns. Figure 2b (One solution ). A * F. MSB of F. D F F. D F F. D F F. R E G.
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D D Q Q C C Figure 1 I4 X A I0 G1 Y B I1 I5 G2 G4 I2 C G3 G5 CLK I3 Dff timings: Tcq= 3ns, Tsu = 2 ns, Thd = 1ns Input/Output buffer delay = 5ns, all other gates= 4ns
Figure 2b (One solution ) A * F MSB of F DFF DFF DFF REG A 2/1Mux DFF DFF DFF MULT REG SATADDER DFF REG DFF DFF DFF B 2/1Mux DFF DFF DFF MULT At muxes, all paths have latency = 3 REG DFF MSB of 1-F F 1 - F B* (1-F)
Figure 2b (Another solution...) A * F MSB of F DFF DFF REG A 2/1Mux DFF DFF DFF MULT REG SATADDER REG DFF DFF DFF B 2/1Mux DFF DFF DFF MULT At Sat Adder, all paths have latency = 3 REG DFF MSB of 1-F F 1 - F B* (1-F)