8288 Bus Controller

8288 Bus Controller: Figure 5.37 shows the 8288 bus controller which is used in the maximum-mode operation of 8086 CPU. This IC receives four inputs such as S̅2, S̅1, S̅0 status…

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Clock Generator 8284A

Clock Generator 8284A: During fetch and execute instructions, the 8086 and 8088 processors require clock pulse which has about 10 ns rise and fall times. The logic 0 level of…

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Cache Memory in Pentium Processor

Cache Memory in Pentium Processor: Cache Memory in Pentium Processor - Pentium processors operate at very high clock speeds to provide very good performance. But reading and writing memory off-chip…

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Pin Diagram of 80486 Microprocessor

Pin Diagram of 80486 Microprocessor: The pin diagram of 168-pin PGA (Pin Grid Array) package 80486 is shown in Fig. 11.49 and the schematic Pin Diagram of 80486 Microprocessor is…

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Pin Diagram of 80286 Microprocessor

Pin Diagram of 80286 Microprocessor: The Pin Diagram of 80286 Microprocessor is available in 68-pin PLCC (Plastic Leaded Chip Carrier), 68-pin Ceramic LCC (Lead Less Chip Carrier) and 68-pin PGA…

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80186 Pin Diagram

80186 Pin Diagram: The 80186 is a 68-pin IC and it is available in Plastic Leaded Chip Carrier (PLCC), ceramic Leadless Chip Carrier (LCC) and Pin Grid Array (PGA) packages.…

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Power on Reset Circuit of 8085

Power on Reset Circuit in 8051: On reset, the PC sets to 0000H which causes the 8085 to execute the first instruction from address 0000H. For proper reset operation reset…

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