Question

Can someone help me understand address decoders and the process of determining address ranges for these 2 circuits?

15 A1B A17 A16 evic CS A19 C2 G2B YT Io/ M 74LS138 Figure #7.5 Second Circuit to Decode Use the address lines below, if vou want to A 17A 16A 15 A 14A 13A 12A 11? ? A9A8 A7 | A6A5l A4 A3 | A2 A 1 A0 From Address hex to address hex A13 NAND3 1 A19 A18 A17 evic NOR3 OR3 CS IO/ M A14 15 A15 Figure #7.6 Third Circuit to Decode Use the address lines below, if vou want to IALE 7A 1 ISA 14 A 13A12A 11A10 A9 | A8 | A7 | A6 | A5 | A4 | A3 | A2 A1 A0 From Address hex to address hex

Answer 1

2 drew = (DFFFF

occess eice ini Addres Ata-A。一 0001to01-oo o.oooo.cooo

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