ROM(Read only Memory)

Procedure

  • Step 1: Take Read Only Memory and Inputs
    - Navigate to the Components section and select the Read Only Memory (ROM) component.
    - Add three input components and rename them as A0, A1, and Cs.
    Step 1 Image
    Figure 1: ROM and Inputs in Workspace
  • Step 2: Connect Inputs to Read Only Memory
    - Connect the inputs A0, A1, and Cs to their corresponding A0, A1, and Cs pins on the Read Only Memory.
    Step 2 Image
    Figure 2: Inputs Connected to ROM
  • Step 3: Add Outputs and Connect Them
    - Add four output components and connect them to the D0, D1, D2, and D3 pins of the Read Only Memory.
    Step 3 Image
    Figure 3: Outputs Connected to ROM
  • Step 4: Set Cs to 1
    - Set the Cs input to 1 to enable the Read Only Memory.
    Step 4 Image
    Figure 4: Cs Set to 1
  • Step 5: Change Address and Observe Data
    - Use the inputs A0 and A1 to change the address. - Observe the output data at D3, D2, D1, and D0 based on the following truth table:
    A1A0 D3D2D1D0
    00 0000
    01 0011
    10 0101
    11 1110
    Step 5 Image
    Figure 5: Observing Output