1. Consider the following description for a NAND2 gate. entity nand 2 is port (il, i2: in std logic; o : out std logic) ; end nand 2; architecture dataflow of nand 2 is begin o <= il nand i2; end dataflow; The entity description is given below for a four input sum-of-products gate (ab + cd). Give the structural description of the architecture using only the nand_2 gates. Draw a schematic showing your logic gate design and label any signals used. entity and or is port (a, b, c, d: in std_logic; Y out std_logic); end;

Computer Networking: A Top-Down Approach (7th Edition)
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Author:James Kurose, Keith Ross
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Chapter1: Computer Networks And The Internet
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1. Consider the following description for a NAND2 gate.
entity nand 2 is
port (il, i2 : in std logic;
o : out std logic) ;
end nand 2;
architecture dataflow of nand 2 is
begin
o <= il nand i2;
end dataflow;
The entity description is given below for a four input sum-of-products gate (ab + cd). Give
the structural description of the architecture using only the nand 2 gates. Draw a
schematic showing your logic gate design and label any signals used.
entity and or is
port (a, b, c, d: in std_logic;
Y: out std_logic);
end;
Transcribed Image Text:1. Consider the following description for a NAND2 gate. entity nand 2 is port (il, i2 : in std logic; o : out std logic) ; end nand 2; architecture dataflow of nand 2 is begin o <= il nand i2; end dataflow; The entity description is given below for a four input sum-of-products gate (ab + cd). Give the structural description of the architecture using only the nand 2 gates. Draw a schematic showing your logic gate design and label any signals used. entity and or is port (a, b, c, d: in std_logic; Y: out std_logic); end;
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