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87C196KD Datasheet(PDF) 10 Page - Intel Corporation |
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87C196KD Datasheet(HTML) 10 Page - Intel Corporation |
10 / 21 page AUTOMOTIVE 87C196KD AC CHARACTERISTICS (Continued) For use over specified operating conditions Test Conditions Capacitive load on all pins e 100 pF Rise and fall times e 10 ns FOSC e 16 MHz The 87C196KD will meet these specifications Symbol Description Min Max Units Notes FXTAL Frequency on XTAL1 40 16 MHz (Note 1) TOSC IFXTAL 625 250 ns TXHCH XTAL1 High to CLKOUT High or Low 20 110 ns TCLCL CLKOUT Cycle Time 2 TOSC ns TCHCL CLKOUT High Period TOSC b 10 TOSCa15 ns TCLLH CLKOUT Falling Edge to ALE Rising b 515 ns TLLCH ALE Falling Edge to CLKOUT Rising b 25 a 15 ns TLHLH ALE Cycle Time 4 TOSC ns (Note 4) TLHLL ALE High Period TOSC b 10 TOSCa10 ns TAVLL Address Setup to ALE Falling Edge TOSC b 15 TLLAX Address Hold after ALE Falling Edge TOSC b 35 ns TLLRL ALE Falling Edge to RD Falling Edge TOSC b 35 ns TRLCL RD Low to CLKOUT Falling Edge 0 35 ns TRLRH RD Low Period TOSC b 5 ns (Note 4) TRHLH RD Rising Edge to ALE Rising Edge TOSC TOSC a 25 ns (Note 2) TRLAZ RD Low to Address Float 5 ns TLLWL ALE Falling Edge to WR Falling Edge TOSC b 10 ns TCLWL CLKOUT Low to WR Falling Edge 0 25 ns TQVWH Data Stable to WR Rising Edge TOSC b 30 (Note 4) TCHWH CLKOUT High to WR Rising Edge b 515 ns TWLWH WR Low Period TOSC b 30 ns (Note 4) TWHQX Data Hold after WR Rising Edge TOSC b 25 ns TWHLH WR Rising Edge to ALE Rising Edge TOSC b 10 TOSC a 15 ns (Note 2) TWHBX BHE INST after WR Rising Edge TOSC b 10 ns TWHAX AD8 – 15 HOLD after WR Rising TOSC b 30 ns (Note 3) TRHBX BHE INST after RD Rising Edge TOSC b 10 ns TRHAX AD8 – 15 HOLD after RD Rising TOSC b 25 ns (Note 3) NOTES 1 Testing performed at 40 MHz However the device is static by design and will typically operate below 1 Hz 2 Assuming back-to-back bus cycles 3 8-Bit bus only 4 If wait states are used add 2 TOSC N where N e number of wait states 10 |
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