a. Write a VHDL code to implement the below functionality (25 Marks) Perform an Internet search and find the 74154 4-to-

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A Write A Vhdl Code To Implement The Below Functionality 25 Marks Perform An Internet Search And Find The 74154 4 To 1 (73.07 KiB) Viewed 29 times

a. Write a VHDL code to implement the below functionality (25 Marks) Perform an Internet search and find the 74154 4-to-16 decoder datasheets. From the functional description given in the datasheet (13 Marks) Write a VHDL description for a 74154 4-to-16 decoder. Use only STD_LOGIC and STD_LOGIC_VECTOR data types in constructing your design. (9 Marks) ii. Simulate the code and verify the output waveform (4 Marks) b. Implement the following truth table-based design in VHDL code. (12 Marks) А В D Y1 Y2 1 1 1 1 1 1 1 1 1 1 1 0 1 0 1 0 1 1 1 1 1 1 1 1 1 1 1 1 1 0 i. Write a VHDL code to implement the above truth Table (8 Marks) ii. Simulate the code and verify the output waveform (4 Marks) AOC 0 0 0 E OOOOOO baa MI 0 0 0 0 FOTBALS BOOOO 0 0 VOC 0 0 1 1 0 1 1 0 1 0 1 1 lolol lalo 100 001100. 00 0101010 1 01010 -00 --0000000003 1 1 1 1 000