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поискавой системы для электроныых деталей |
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поискавой системы для электроныых деталей |
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Z86C9620VSC датащи(PDF) 30 Page - Zilog, Inc. |
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Z86C9620VSC датащи(HTML) 30 Page - Zilog, Inc. |
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30 / 46 page  30 Z86C61/62/96 Z8® MICROCONTROLLER AC CHARACTERISTICS External I/O or Memory Read and Write Timing Z86C61/62/96 (16 MHz) T A = 0°CTA = –40°C to +70 °C to +105 °C 16 MHz 16 MHz No Symbol Parameter Min Max Min Max Units Notes 1 TdA(AS) Address Valid to /AS rise Delay 25 25 ns [2,3] 2 TdAS(A) /AS rise to Address Float Delay 35 35 ns [2,3] 3 TdAS(DR) /AS rise to Read Data Req’d Valid 150 150 ns [1,2,3] 4 TwAS /AS Low Width 40 40 ns [2,3] 5 TdAZ(DS) Address Float to /DS fall 0 0 ns 6 TwDSR /DS (Read) Low Width 135 135 ns [1,2,3] 7 TwDSW /DS (Write) Low Width 80 80 ns [1,2,3] 8 TdDSR(DR) /DS fall to Read Data Req’d Valid 75 75 ns [1,2,3] 9 ThDR(DS) Read Data to /DS rise Hold Time 0 0 ns [2,3] 10 TdDS(A) /DS rise to Address Active Delay 50 50 ns [2,3] 11 TdDS(AS) /DS rise to /AS fall Delay 35 35 ns [2,3] 12 TdR/W(AS) R//W Valid to /AS rise Delay 25 25 ns [2,3] 13 TdDS(R/W) /DS rise to R//W Not Valid 35 35 ns [2,3] 14 TdDW(DSW) Write Data Valid to /DS fall (Write) Delay 25 25 ns [2,3] 15 TdDS(DW) /DS rise to Write Data Not Valid Delay 35 35 ns [2,3] 16 TdA(DR) Address Valid to Read Data Req’d Valid 210 210 ns [1,2,3] 17 TdAS(DS) /AS rise to /DS fall Delay 45 45 ns [2,3] 18 TdDM(AS) /DM Valid to /AS rise Delay 25 25 ns [2,3] Notes: [1] When using extended memory timing add 2 TpC. [2] Timing numbers given are for minimum TpC. [3] See clock cycle dependent characteristics table. Standard Test Load All timing references use 2.0 V for a logic 1 and 0.8 V for a logic 0. Clock Dependent Formulas Number Symbol Equation 1 TdA(AS) 0.40 TpC + 0.32 2 TdAS(A) 0.59 TpC – 3.25 3 TdAS(DR) 2.83 TpC + 6.14 4 TwAS 0.66 TpC – 1.65 6 TwDSR 2.33 TpC – 10.56 7 TwDSW 1.27 TpC + 1.67 8 TdDSR(DR) 1.97 TpC – 42.5 10 TdDS(A) 0.8 TpC 11 TdDS(AS) 0.59 TpC – 3.14 12 TdR/W(AS) 0.4 TpC 13 TdDS(R/W) 0.8 TpC – 15 14 TdDW(DSW) 0.4 TpC 15 TdDS(DW) 0.88 TpC – 19 16 TdA(DR) 4 TpC – 20 17 TdAS(DS) 0.91 TpC – 10.7 18 TdDM(AS) 0.9 TpC – 26.3 |
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