Refer to Figure 9-3. Determine the levels at each decoder output for the following sets of input
Question:
Refer to Figure 9-3. Determine the levels at each decoder output for the following sets of input conditions.
(a) All inputs LOW
(b) All inputs LOW except E3 = HIGH
(c) All inputs HIGH except E̅1 = E̅2 = LOW
(d) All inputs HIGH
Figure 9-3
Transcribed Image Text:
(MSB) A₂ 10 lo Ao OTX E₁ E₂ E OxrX 0 0 Ō₁ 1 OXXL X X X 0 Jo - (a) Ē₁ E₂ E3 + Id 1 யீட 0₂ Outputs Respond to input code A₂A, A Disabled - all HIGH Disabled -all HIGH Disabled - all HIGH (b) 10 10° data[2..0] enable inst1 1 of 8 (d) A₁ A₂ 74ALS138 1-of-8 decoder 0,00 0₂0₂0₂0,00 (c) eqo eq1 E₁ E₂ E₂ 562 eq2 eq3. E eq4 eq5. eq6 eq7
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Related Book For
Digital Systems Principles And Application
ISBN: 9780134220130
12th Edition
Authors: Ronald Tocci, Neal Widmer, Gregory Moss
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