Intel 8086 Computer Hardware 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 CLKRise 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 READYSetup 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