Question: Describe an active-LOW input S-R latch with inputs named SBAR, RBAR, and one output named Q. It should follow the function table of a NAND

Describe an active-LOW input S-R latch with inputs named SBAR, RBAR, and one output named Q. It should follow the function table of a NAND latch (see Figure 5-6) and the invalid input combination should produce Q = 1.

(a) Use AHDL.

(b) Use VHDL.

Figure 5-6

SET RESET (a) Q 10 Set Reset Output No change 1 0 Q = 1 1 0 Q=0 00 Invalid* *Produces Q = Q =1. 1 1 (b)

SET RESET (a) Q 10 Set Reset Output No change 1 0 Q = 1 1 0 Q=0 00 Invalid* *Produces Q = Q = 1. 1 1 (b)

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a Figure 576 shows a possible AHDL solution Important items to note are 1 Q is defined as an OUTPUT ... View full answer

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