| 전자부품 데이터시트 검색엔진 |
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M3488 데이터시트(PDF) 6 Page - STMicroelectronics |
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M3488 데이터시트(HTML) 6 Page - STMicroelectronics |
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6 / 18 page ![]() A.C. ELECTRICAL CHARACTERISTICS (Tamb = 0 to 70 °C, VCC =5V ±5%) All A.C. characteristics are valid 250 µs afterVCC and clock have been applied. CL is the max. capacitive load. Sign al Symbol Parameter Test Condition Min. Typ. Max. Unit CK (clock) tCK tWL tWH tR tF Clock Period Clock Low Level Width Clock High Level Width Rise Time Fall Time 230 100 100 244 25 25 ns ns ns ns ns SYNC (frame pulse) tSL tHL tSH tWH Low Level Setup Time Low Level Hold Time High Level Setup Time High Level Width 60 30 80 tCK ns ns ns ns PCM Input Busses tS tH Setup Time Hold Time 5 +40 ns ns PCM Output Busses Open Drain tPD min tPD max Propagation time referred to CK low level Propagation time referred to CK high level CL = 150pF RL =1K 45 110 110 140 ns ns RESET tSL tHL tSH tWH Low Level Setup Time Low Level Hold Time High Level Setup Time High level Width 60 30 80 tCK ns ns ns ns WR, RD tWL tWH tREP tSH tHH tR tF Low Lvel Width High Level Width Repetition Interval between Active Pulses High Level Setup Time to Active Read Strobe High Level Hold Time from Active Write Strobe Rise Time Fall Time tREP 40 + 2 tCK +tWL(CK) + +tR(CK) 100 tCK see formula 0 15 60 60 ns ns ns ns ns ns ns M3488 6/18 |
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