16x4 ROM with Constant Array

ROM Content:

Addresses 0-15: 0000, 0001, 0011, 0010, 0110, 0111, 0101, 0100, 1100, 1101, 1111, 1110, 1010, 1011, 1001, 1000 (4-bit Gray code).

Implementation:

Read-only ROM memory with 16 locations of 4 bits.