Chapter 9

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Design a 1MB memory system consisting of multiple memory chips— Solution 2:Memory Address Decoding256KB 256KB 256KB 256KBCS CS CS CSAddr[19:2]Addr[1]Addr[0]2-to-4decoderCSIO/M
Memory Address Decoding Design a 1MB memory system consisting of multiple memory chips— Solution 3:256KB 256KB 256KB 256KBAddr[19:18]CS CS CS CSAddr[16:7]Addr[5:0]Addr[17]Addr[6]IO/M2-to-4decoderCSIt is a bad design, but still works!Does it work if the last memory chip is removed?
Page 3 and 4:
1 MEMORY CONTROLSIGNALS
Page 5 and 6:
Memory Control Signals : Minumim Mo
Page 7 and 8:
Memory Control Signals : Maximum Mo
Page 9 and 10:
Read and write bus cycle
Page 11 and 12: Write Bus Cycle 8088- minmode
Page 13 and 14: T1 T2 T3 T48086 Write CycleCLK/S0,
Page 15 and 16: 8086 Read Cycle (1 Wait StateT1 T2
Page 17 and 18: 8088 minimum mode MIC block diagram
Page 19: Finally …. ( minimum ) 8086 or 80
Page 22: Address Latch circuit: = 74F3738 in
Page 25 and 26: Address bus with latch and Decoder
Page 27 and 28: Bank Write and Bank Read Control Lo
Page 29 and 30: Data Bus Transceiver Design ( 8086
Page 31 and 32: Note that G input is the control in
Page 33 and 34: 74LS 138 ( address decoder )
Page 35 and 36: 4. . MEMORY SUBSYSTEMSTypes of memo
Page 37 and 38: Primary and Secondary MemoryCompute
Page 39 and 40: Memory Hierarchy
Page 41: Memory DevicesROM MemoryROM permane
Page 45 and 46: Memory Connections: diagramAddress[
Page 47 and 48: ExampleEx 1. MC has 12 address pin
Page 49 and 50: 1) Address decoding using simple NA
Page 51 and 52: Semiconductor Memory Device Archite
Page 53: Address decoding using simple NAND
Page 56 and 57: Address decoding using a programmab
Page 58: Data integrity How to ensure data r
Page 64: Memory Address Decoding Design a 1M
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Chapter 9

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