please help solve 2 Question 2. For the datapath shown in Figure 2, the timing p

Question

please help solve 2

Question 2. For the datapath shown in Figure 2, the timing parameters are given in Table 2. (50points) (a) Determine Tmin (b) You can scale the logic unit by a scaling factor S, such that its delay reduces by the same factor, .e pL What is the maximum scaling factor you can use, and the resulting maximum frequency of operation? D Q R1 D Q Logic Unit R3 tclk Figure 2: Datapath for Question2 Table 2: Timing parameters Parameter Min tc2a Max 100ps 800ps 50ps 200ps 100ps 100ps tsu thald

Explanation / Answer

a)minimum delay between latches is given as

tmin =tc2Q+tpl+tsu - thold

so from above formula substitutingthe values it can determined as

tmin =50+200+100-100=250ps

b)scaling factor can be determined as

tplscaled= tpl/S

800=200/S

S=800/200

=4ps

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