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S80C186EC20 Datasheet(PDF) 32 Page - Intel Corporation |
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S80C186EC20 Datasheet(HTML) 32 Page - Intel Corporation |
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32 / 57 page  80C186EC188EC 80L186EC188EC AC SPECIFICATIONS AC Characteristics80C186EC-2080C186EC-13 Symbol Parameter Min Max Min Max Unit Notes INPUT CLOCK 20 MHz 13 MHz TF CLKIN Frequency 0 40 0 26 MHz 1 TC CLKIN Period 25 % 385 % ns 1 TCH CLKIN High Time 10 % 12 % ns 1 2 TCL CLKIN Low Time 10 % 12 % ns 1 2 TCR CLKIN Rise Time 1 10 1 10 ns 1 3 TCF CLKIN Fall Time 1 10 1 10 ns 1 3 OUTPUT CLOCK TCD CLKIN to CLKOUT Delay 0 17 0 23 ns 1 4 T CLKOUT Period 2 TC 2 TC ns 1 TPH CLKOUT High Time (T2) b 5 (T2) a 5 (T2) b 5 (T2) a 5ns 1 TPL CLKOUT Low Time (T2) b 5 (T2) a 5 (T2) b 5 (T2) a 5ns 1 TPR CLKOUT Rise Time 1616 ns 1 5 TPF CLKOUT Fall Time 1616 ns 1 5 OUTPUT DELAYS TCHOV1 ALE S20 DEN DTR 3 20 3 25 ns 1 4 6 7 BHE (RFSH) LOCK A1916 TCHOV2 GCS70 LCS UCS 3 23 3 30 ns 1 4 6 8 RD WR NCS WDTOUT TCLOV1 BHE (RFSH) DEN LOCK RESOUT 3 20 3 25 ns 1 4 6 HLDA T0OUT T1OUT TCLOV2 RD WR GSC70 LCS UCS AD150 3 23 3 30 ns 1 4 6 (AD70 A158) NCS INTA S20 A1916 TCHOF RD WR BHE (RFSH) DTR LOCK 0 25030 ns 1 S20 A1916 TCLOF DEN AD150 (AD70 A158) 0 25 0 30 ns 1 INPUT REQUIREMENTS TCHIS TEST NMI T1IN T0IN READY 10 10 ns 1 9 CTS10 BCLK10 P34 P35 TCHIH TEST NMI T1IN T0IN READY 3 3 ns 1 9 CTS10 BCLK10 P34 P35 TCLIS AD150 (AD70) READY 10 10 ns 1 10 TCLIH AD150 (AD70) READY 3 3 ns 1 10 TCLIS HOLD RESIN PEREQ ERROR DRQ30 10 10 ns 1 9 TCLIH HOLD RESIN REREQ ERROR DRQ30 3 3 ns 1 9 NOTES 1 See AC Timing Waveforms for waveforms and definition 2 Measure at VIH for high time VIL for low time 3 Only required to guarantee ICC Maximum limits are bounded by TC TCH and TCL 4 Specified for a 50 pF load see Figure 14 for capacitive derating information 5 Specified for a 50 pF load see Figure 15 for rise and fall times outside 50 pF 6 See Figure 15 for rise and fall times 7 TCHOV1 applies to BHE (RFSH) LOCK and A1916 only after a HOLD release 8 TCHOV2 applies to RD and WR only after a HOLD release 9 Setup and Hold are required to guarantee recognition 10 Setup and Hold are required for proper operation 32 |
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