Intel 8086-1 User Manual
Intel Hardware
September 1990
Order Number 231455-005
8086
16-BIT HMOS MICROPROCESSOR
8086 8086-2 8086-1
Y
Direct Addressing Capability 1 MByte
of Memory
Y
Architecture Designed for Powerful
Assembly Language and Efficient High
Level Languages
Y
14 Word by 16-Bit Register Set with
Symmetrical Operations
Y
24 Operand Addressing Modes
Y
Bit Byte Word and Block Operations
Y
8 and 16-Bit Signed and Unsigned
Arithmetic in Binary or Decimal
Including Multiply and Divide
Y
Range of Clock Rates
5 MHz for 8086
8 MHz for 8086-2
10 MHz for 8086-1
Y
MULTIBUS System Compatible
Interface
Y
Available in EXPRESS
Standard Temperature Range
Extended Temperature Range
Y
Available in 40-Lead Cerdip and Plastic
Package
(See Packaging Spec Order
231369)
The Intel 8086 high performance 16-bit CPU is available in three clock rates 5 8 and 10 MHz The CPU is
implemented in N-Channel depletion load silicon gate technology (HMOS-III) and packaged in a 40-pin
CERDIP or plastic package The 8086 operates in both single processor and multiple processor configurations
to achieve high performance levels
231455 – 1
Figure 1 8086 CPU Block Diagram
231455 – 2
40 Lead
Figure 2 8086 Pin
Configuration