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SC515849 Datasheet(PDF) 135 Page - Freescale Semiconductor, Inc |
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SC515849 Datasheet(HTML) 135 Page - Freescale Semiconductor, Inc |
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135 / 142 page ![]() Device User Guide — 9S12DT128DGV2/D V02.15 135 Freescale Semiconductor Table A-20 Expanded Bus Timing Characteristics Conditions are shown in (Table A-4) unless otherwise noted, CLOAD = 50pF Num C Rating Symbol Min Typ Max Unit 1 P Frequency of operation (E-clock) fo 0 25.0 MHz 2 P Cycle time tcyc 40 ns 3 D Pulse width, E low PWEL 19 ns 4 D Pulse width, E high1 PWEH 19 ns 5 D Address delay time tAD 8 ns 6 D Address valid time to E rise (PWEL–tAD) tAV 11 ns 7 D Muxed address hold time tMAH 2 ns 8 D Address hold to data valid tAHDS 7 ns 9 D Data hold to address tDHA 2 ns 10 D Read data setup time tDSR 13 ns 11 D Read data hold time tDHR 0 ns 12 D Write data delay time tDDW 7 ns 13 D Write data hold time tDHW 2 ns 14 D Write data setup time(1) (PWEH–tDDW) tDSW 12 ns 15 D Address access time(1) (tcyc–tAD–tDSR) tACCA 19 ns 16 D E high access time(1) (PWEH–tDSR) tACCE 6 ns 17 D Non-multiplexed address delay time tNAD 6 ns 18 D Non-muxed address valid to E rise (PWEL–tNAD) tNAV 15 ns 19 D Non-multiplexed address hold time tNAH 2 ns 20 D Chip select delay time tCSD 16 ns 21 D Chip select access time(1) (tcyc–tCSD–tDSR) tACCS 11 ns 22 D Chip select hold time tCSH 2 ns 23 D Chip select negated time tCSN 8 ns 24 D Read/write delay time tRWD 7 ns 25 D Read/write valid time to E rise (PWEL–tRWD) tRWV 14 ns 26 D Read/write hold time tRWH 2 ns 27 D Low strobe delay time tLSD 7 ns 28 D Low strobe valid time to E rise (PWEL–tLSD) tLSV 14 ns 29 D Low strobe hold time tLSH 2 ns 30 D NOACC strobe delay time tNOD 7 ns 31 D NOACC valid time to E rise (PWEL–tNOD) tNOV 14 ns |
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