02 Inputs From Toggle Switches Circuit to Be Designed 03 17 21 04 05 D. 3 06 X, 07

Introductory Circuit Analysis (13th Edition)
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t Driving
Segment
Module
X,
X,
Inputs From
Toggle
Switches
Circuit
to Be
Designed
o3
04
X,
X
X,
05
D
o7
8.A Design an 8-4-2-1 BCD code converter to drive a seven-segment indicator. The four
inputs to the converter circuit (A, B, C, and D in Figure 8-14) represent an 8-4-2-1
binary-coded-decimal digit. Assume that only input combinations representing the
digits 0 through 9 can occur as inputs, so that the combinations 1010 through 1111
are don't-cares. Design your circuit using only two-, three-, and four-input NAND
gates and inverters. Try to minimize the number of gates required. The variables A,
B, C, and D will be available from toggle switches.
Use (not ) for 6.
Use 4 (not 4) for 9.
Any solution that uses 18 or fewer gates and inverters (not counting the four invert-
ers for the inputs) is acceptable.
ign a circuit which multinlies two 2-bit binarv numbers and displavs the answ
Transcribed Image Text:t Driving Segment Module X, X, Inputs From Toggle Switches Circuit to Be Designed o3 04 X, X X, 05 D o7 8.A Design an 8-4-2-1 BCD code converter to drive a seven-segment indicator. The four inputs to the converter circuit (A, B, C, and D in Figure 8-14) represent an 8-4-2-1 binary-coded-decimal digit. Assume that only input combinations representing the digits 0 through 9 can occur as inputs, so that the combinations 1010 through 1111 are don't-cares. Design your circuit using only two-, three-, and four-input NAND gates and inverters. Try to minimize the number of gates required. The variables A, B, C, and D will be available from toggle switches. Use (not ) for 6. Use 4 (not 4) for 9. Any solution that uses 18 or fewer gates and inverters (not counting the four invert- ers for the inputs) is acceptable. ign a circuit which multinlies two 2-bit binarv numbers and displavs the answ
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