Intel 8086 User Manual

8086
A.C. CHARACTERISTICS (8086: T
A
e
0
§
Cto70
§
C, V
CC
e
5V
g
10%)
(8086-1: T
A
e
0
§
Cto70
§
C, V
CC
e
5V
g
5%)
(8086-2: T
A
e
0
§
Cto70
§
C, V
CC
e
5V
g
5%)
MINIMUM COMPLEXITY SYSTEM TIMING REQUIREMENTS
Symbol Parameter
8086 8086-1 8086-2
Units Test Conditions
Min Max Min Max Min Max
TCLCL CLK Cycle Period 200 500 100 500 125 500 ns
TCLCH CLK Low Time 118 53 68 ns
TCHCL CLK High Time 69 39 44 ns
TCH1CH2 CLK Rise Time 10 10 10 ns From 1.0V to 3.5V
TCL2CL1 CLK Fall Time 10 10 10 ns From 3.5V to 1.0V
TDVCL Data in Setup Time 30 5 20 ns
TCLDX Data in Hold Time 10 10 10 ns
TR1VCL RDY Setup Time 35 35 35 ns
into 8284A (See
Notes 1, 2)
TCLR1X RDY Hold Time 0 0 0 ns
into 8284A (See
Notes 1, 2)
TRYHCH READY Setup 118 53 68 ns
Time into 8086
TCHRYX READY Hold Time 30 20 20 ns
into 8086
TRYLCL READY Inactive to
b
8
b
10
b
8ns
CLK (See Note 3)
THVCH HOLD Setup Time 35 20 20 ns
TINVCH INTR, NMI, TEST 30 15 15 ns
Setup Time (See
Note 2)
TILIH Input Rise Time 20 20 20 ns From 0.8V to 2.0V
(Except CLK)
TIHIL Input Fall Time 12 12 12 ns From 2.0V to 0.8V
(Except CLK)
15

Intel 8086 Specifications

General

Architecture	x86
Clock Speed	5 MHz to 10 MHz
Data Width	16-bit
Address Bus Width	20-bit
Transistor Count	29, 000
Instruction Set	x86
Package	40-pin DIP
Microarchitecture	8086
Addressable Memory	1 MB
Manufacturing Process	3 μm
Voltage	+5V
Introduced	1978
Registers	14 registers (including segment registers)