Intel 8086-2 Computer Hardware User Manual


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8086
AC CHARACTERISTICS
MAX MODE SYSTEM (USING 8288 BUS CONTROLLER)
TIMING REQUIREMENTS
Symbol Parameter
8086 8086-1 8086-2
Units
Test
Min Max Min Max Min Max
Conditions
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 From10V to 35V
TCL2CL1 CLK Fall Time 10 10 10 ns From35V to 10V
TDVCL Data in Setup Time 30 5 20 ns
TCLDX Data in Hold Time 10 10 10 ns
TR1VCL RDYSetup Time 35 35 35 ns
into 8284A
(Notes 1 2)
TCLR1X RDYHold Time 0 0 0 ns
into 8284A
(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 (Note 4)
TINVCH Setup Time for 30 15 15 ns
Recognition (INTR
NMI TEST
)
(Note 2)
TGVCH RQGT Setup Time 30 15 15 ns
(Note 5)
TCHGX RQ Hold Time into 40 20 30 ns
8086
TILIH Input Rise Time 20 20 20 ns From 08V to 20V
(Except CLK)
TIHIL Input Fall Time 12 12 12 ns From20V to 08V
(Except CLK)
19
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