August 1990

Order Number 231456-006

8088

8-BIT HMOS MICROPROCESSOR

80888088-2

Y

8-Bit Data Bus Interface

Y

16-Bit Internal Architecture

Y

Direct Addressing Capability to 1 Mbyte

of Memory

Y

Direct Software Compatibility with 8086

CPU

Y

14-Word by 16-Bit Register Set with

Symmetrical Operations

Y

24 Operand Addressing Modes

Y

Byte Word and Block Operations

Y

8-Bit and 16-Bit Signed and Unsigned

Arithmetic in Binary or Decimal

Including Multiply and Divide

Y

Two Clock Rates

5 MHz for 8088

8 MHz for 8088-2

Y

Available in EXPRESS

Standard Temperature Range

Extended Temperature Range

The Intel 8088 is a high performance microprocessor implemented in N-channel depletion load silicon gate

technology (HMOS-II) and packaged in a 40-pin CERDIP package The processor has attributes of both 8-

and 16-bit microprocessors It is directly compatible with 8086 software and 80808085 hardware and periph-

erals

231456 – 1

Figure 1 8088 CPU Functional Block Diagram

231456 – 2

Figure 2 8088 Pin Configuration