Question: Using the 74138, design the memory decoding circuitry in which the memory block controlled by Y0 is in the range 0000H to 1FFFH. Indicate the
Using the 74138, design the memory decoding circuitry in which the memory block controlled by Y0 is in the range 0000H to 1FFFH. Indicate the size of the memory block controlled by Y. Here is a tabular format to help with circuitry design.
Hex Block range 00 0 0 0 00 0 0 0 0 0 0 0 0 00000H to 0 0 0 1 1FFFH 00 1 0 0 0 0 00 0 0 0 0 0 0 0 2000H to 0 0 3FFFH 0 1 0 00 00 00 0 0 0 0 0 0 0 4000H to 3 0 1 0 11 5FFFH 0 1 1 00 0 0 00 0 0 0 00 0 0 6000H to 0 1 1 17FFFH 1 0 0 0 0 00 0 00 0 0 0 0 0 0 8000H to 1 0 0 9FFFH 1 0 1 00 0 0 0 0 0 00 0 0 0 0 A000H to 6 1 0 1 11 BFFFH 1 1 0 0 0 00 0 000 0 0 0 00 COOOH to 1 1 0 1DFFFH 1 1 1 0 0 0 0 00 00 00 0 00 EOOOH to
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