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15. Reading Memory Location Example

  1. The binary code for 3 is 11.

  2. Address A[1:0] = 11 is decoded, and the bottom word line is asserted.

  3. The value stored in memory location 3 is equal to 101.

  4. All output lines are ANDed and subsequently ORed to produce the D[2:0]=101 result.

  • RAM chip diagram: A RAM chip

  •   Reading 4-by-3 bit memory

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