• Clock speed : 3 MHz with 0.37 MIPS.
• Number of Transistors 6,500 at 3 ?m technology.
• It is manufactured with N-MOS technology.
• It has 16-bit address bus and hence can address up to 216 = 65536 bytes (64KB) memory
locations through A0-A15.
• The first 8 lines of address bus and 8 lines of data bus are multiplexed AD0– AD7.
• Data bus is a group of 8 lines D0– D7.
• It supports external interrupt request.
• A 16 bit program counter (PC) .
• A 16 bit stack pointer (SP) .
• Six 8-bit general purpose register arranged in pairs: BC, DE, HL.
• It requires a signal +5V power supply
• It is a 40 pin DIP.
• Also featured serial I/O,3 maskable interrupts,1 Non-maskable interrupt,1 externally
expandable interrupt, DMA.
• Clock Rate:
- 4.77 MHz with 0.33 MIPS
- 8 MHz with 0.66 MIPS
- 10 MHz with 0.75 MIPS
• 8086 has a 20 bit address bus can access up to 220 memory locations (1 MB).
• It can support up to 64K I/O ports.
• It provides 14, 16 -bit registers.
• It has multiplexed address and data bus AD0- AD15 and A16 – A19.
• It requires single phase clock with 33% duty cycle to provide internal timing.
• 8086 is designed to operate in two modes, Minimum and Maximum.
• It can prefetches upto 6 instruction bytes from memory and queues them in order to speed up instruction execution.
• It requires +5V power supply.
• A 40 pin dual in line packag
