21. In Figure 5.18, eliminate the negative NAND gate that generates the IOR signal, replace A, by the TO/M signal, and c

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21 In Figure 5 18 Eliminate The Negative Nand Gate That Generates The Ior Signal Replace A By The To M Signal And C 1 (12.43 KiB) Viewed 49 times

21 In Figure 5 18 Eliminate The Negative Nand Gate That Generates The Ior Signal Replace A By The To M Signal And C 2 (42.99 KiB) Viewed 49 times

21. In Figure 5.18, eliminate the negative NAND gate that generates the IOR signal, replace A, by the TO/M signal, and connect RD directly to the negative NAND gate. Identify all the port addresses.

+5 V 74LS244 Octal Buffer 1 MSB EEE 1 1 Data Bus 1 A IOADR OA 0 M NG 0 3-10-8 Decoder 74LS138 Sy Sy $ $0 D 10 OE IOSEL TOM RDS T TOR FIGURE 3.18 Interfacing DIP Switches