Compare, distinguish and explain what is the difference between 8086 Microprocessor and 8088 Microprocessor. Comparison and Differences.

Difference between 8086 Microprocessor and 8088 Microprocessor

1. 8086 has 16-bit data lines. 8088 has 8-bit data lines.

2. 8086 is available in three clock speeds, 5 MHz, 8 MHz and 10 MHz. 8088 is available in two clock speeds, 5 MHz and 8 MHz.

3. The memory space of 8086 is organized as two 512KB banks. The memory space of 8088 is implemented as single 1M *8 memory bank.

4. 8086 has 6-bit instruction queue. 8088 has 4-bit instruction queue.

5. The 8086 has BHE – Bank High Enable. The 8088 has SSO status signal.

6. The 8086 can read or write 8-bit or 16-bit data at a time. The 8088 can read or write 8-bit data at a time.

7. The I/O voltages level for 8086 is measured at 2.5 mA. The I/O voltages level for 8088 is measured at 2.5 mA.

8. The 8086 draws maximum supply current of 360mA. The 8088 draws maximum supply current of 340mA.

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8086 Microprocessor vs 8088 Microprocessor

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