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8086-2 Datasheet(PDF) 16 Page - Intel Corporation |
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8086-2 Datasheet(HTML) 16 Page - Intel Corporation |
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16 / 30 page ![]() 8086 A.C. CHARACTERISTICS (Continued) TIMING RESPONSES Symbol Parameter 8086 8086-1 8086-2 Units Test Min Max Min Max Min Max Conditions TCLAV Address Valid Delay 10 110 10 50 10 60 ns TCLAX Address Hold Time 10 10 10 ns TCLAZ Address Float TCLAX 80 10 40 TCLAX 50 ns Delay TLHLL ALE Width TCLCH-20 TCLCH-10 TCLCH-10 ns TCLLH ALE Active Delay 80 40 50 ns TCHLL ALE Inactive Delay 85 45 55 ns TLLAX Address Hold Time TCHCL-10 TCHCL-10 TCHCL-10 ns TCLDV Data Valid Delay 10 110 10 50 10 60 ns *CL e 20–100 pF for all 8086 TCHDX Data Hold Time 10 10 10 ns Outputs (In addition to 8086 TWHDX Data Hold Time TCLCH-30 TCLCH-25 TCLCH-30 ns selfload) After WR TCVCTV Control Active 10 110 10 50 10 70 ns Delay 1 TCHCTV Control Active 10 110 10 45 10 60 ns Delay 2 TCVCTX Control Inactive 10 110 10 50 10 70 ns Delay TAZRL Address Float to 0 0 0 ns READ Active TCLRL RD Active Delay 10 165 10 70 10 100 ns TCLRH RD Inactive Delay 10 150 10 60 10 80 ns TRHAV RD Inactive to Next TCLCL-45 TCLCL-35 TCLCL-40 ns Address Active TCLHAV HLDA Valid Delay 10 160 10 60 10 100 ns TRLRH RD Width 2TCLCL-75 2TCLCL-40 2TCLCL-50 ns TWLWH WR Width 2TCLCL-60 2TCLCL-35 2TCLCL-40 ns TAVAL Address Valid to TCLCH-60 TCLCH-35 TCLCH-40 ns ALE Low TOLOH Output Rise Time 20 20 20 ns From 0.8V to 2.0V TOHOL Output Fall Time 12 12 12 ns From 2.0V to 0.8V NOTES: 1. Signal at 8284A shown for reference only. 2. Setup requirement for asynchronous signal only to guarantee recognition at next CLK. 3. Applies only to T2 state. (8 ns into T3). 16 |
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