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전자부품 데이터시트 검색엔진 |
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전자부품 데이터시트 검색엔진 |
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P82C42PD 데이터시트(PDF) 18 Page - Intel Corporation |
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P82C42PD 데이터시트(HTML) 18 Page - Intel Corporation |
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18 / 25 page  UPI-C42UPI-L42 AC CHARACTERISTICS TA e 0 Cto a70 C VSS e 0V VCC e VDD ea5V g10% a33V g10% for the UPI-L42 (Continued) CLOCK Symbol Parameter Min Max Units tCY UPI-C42UPI-L42 Cycle Time 12 920 m s(1) tCYC UPI-C42UPI-L42 Clock Period 80 613 ns tPWH Clock High Time 30 ns tPWL Clock Low Time 30 ns tR Clock Rise Time 10 ns tF Clock Fall Time 10 ns NOTE 1 tCY e 15f(XTAL) AC CHARACTERISTICS DMA Symbol Parameter Min Max Units tACC DACK to WR or RD 0 ns tCAC RD or WR to DACK 0 ns tACD DACK to Data Valid 0 130 ns tCRQ RD or WR to DRQ Cleared 110 ns(1) NOTE 1 CL e 150 pF AC CHARACTERISTICS PORT 2 Symbol Parameter f(tCY)(3) Min Max Units tCP Port Control Setup Before Falling Edge of PROG 115 tCYb28 55 ns(1) tPC Port Control Hold After Falling Edge of PROG 110 tCY 125 ns(2) tPR PROG to Time P2 Input Must Be Valid 815 tCYb16 650 ns(1) tPF Input Data Hold Time 0 150 ns(2) tDP Output Data Setup Time 210 tCY 250 ns(1) tPD Output Data Hold Time 110 tCYb80 45 ns(2) tPP PROG Pulse Width 610 tCY 750 ns NOTES 1 CL e 80 pF 2 CL e 20 pF 3 tCY e 125 ms 18 |
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