Internal Architecture of 8275 CRT Controller: The 8275 programmable CRT controller is a single-chip device that generates all the signals which are used for interfacing a microprocessor system. The main…
Pin Diagram of 8087 Processor: Figure 7.46 shows the pin diagram of 8087 processor. The operations of all pins of 8087 are explained below: AD15-AD0 The AD15-AD0 are the time multiplexed address/data…
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…
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…
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…
Intel 80386 Pin Diagram Description: The 80286 family has a sinking current of 2.0 mA but each output pin of the 80386 is capable of sinking 4.0 mA current for…
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…
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.…