Describe how to modify the circuit of Figure 12-35 so that it has a total capacity of

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Describe how to modify the circuit of Figure 12-35 so that it has a total capacity of 16K × 8. Use the same type of PROM chips.


Figure 12-35

A15 A4 A13 A12 ..... A11 A10 Control bus E 3-line-to-8-line decoder C B A E3 decoder -OE2 01234567 Decoder

A5 A4 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 1 A13 A12 A11 A10 0 0 0 0 0 0 0 0 0 0 0 0 0 1 1 1 1 0 0 1 1 1

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Digital Systems Principles And Application

ISBN: 9780134220130

12th Edition

Authors: Ronald Tocci, Neal Widmer, Gregory Moss

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