Question

Consider the following address decoding circuit. A17 A16 A15 A14 A13 A12 A11 A10 74LS138 O0 O1 O2 O3 O4 O5 O6 O7 A (LSB) B C G2A G2B G1 +5V Determine the address range (in Hexadecimal) for the output O1 of the 74LS138 decoder. Select one: a. None of the given or cannot be determined b. 40000 H - 43FFF H c. 58000 H - 5BFFF H d. 48000 H - 4BFFF H e. 50000 H - 53FFF H

          Consider the following address decoding circuit.
A17
A16
A15
A14
A13
A12
A11
A10
74LS138
O0
O1
O2
O3
O4
O5
O6
O7
A (LSB)
B
C
G2A
G2B
G1
+5V
Determine the address range (in Hexadecimal) for the output O1 of the 74LS138
decoder.
Select one:
a. None of the given or cannot be determined
b. 40000 H - 43FFF H
c. 58000 H - 5BFFF H
d. 48000 H - 4BFFF H
e. 50000 H - 53FFF H

Consider the following address decoding circuit.
A17
A16
A15
A14
A13
A12
A11
A10
74LS138
O0
O1
O2
O3
O4
O5
O6
O7
A (LSB)
B
C
G2A
G2B
G1
+5V
Determine the address range (in Hexadecimal) for the output O1 of the 74LS138
decoder.
Select one:
a. None of the given or cannot be determined
b. 40000 H - 43FFF H
c. 58000 H - 5BFFF H
d. 48000 H - 4BFFF H
e. 50000 H - 53FFF H

Added by Natalie W.

University Physics with Modern Physics

Hugh D. Young 14th Edition

Instant Answer

Solved by Expert Eduard Sanchez

Step 1

The inputs A6, A5, A4, A3, A2, and A1 are used to select one of the eight output lines (O0 to O7) of the decoder. The G2A and G2B inputs are used to enable or disable the decoder, and the G1 input is used to select whether the decoder is active low or active Show more…

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Consider the following address decoding circuit: 74LS138 O A(LSB) 0 A6 A5 A4 A3 A2 A1 0, 0, 0, 0, G2A G2B G1 +5V Determine the address range (in Hexadecimal) for the output O1 of the 74LS138 decoder. Select one: a. None of the given or cannot be determined b. 40000H-43FFFH c. 58000H-5BFFFH d. 48000H-4BFFFH e. 50000H-53FFFH