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전자부품 데이터시트 검색엔진 |
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전자부품 데이터시트 검색엔진 |
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DP83256 데이터시트(PDF) 125 Page - National Semiconductor (TI) |
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DP83256 데이터시트(HTML) 125 Page - National Semiconductor (TI) |
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125 / 144 page  70 Electrical Characteristics (Continued) AC Characteristics for User Definable Pins The following signals are covered Sense Pins (SP) For Enable Pins (EP) timing see AC Characteristics for the Control Bus Interface Symbol Parameter Conditions Min Typ Max Units T59 SP Minimum Pulse Width 120 ns TLF11708 – 56 FIGURE 7-14 SP Minimum Pulse Width AC Characteristics for Miscellaneous Interface The following signal is covered Reset (ERST) Symbol Parameter Conditions Min Typ Max Units T60 Minimum Reset (ERST) Pulse Width 300 ns T61 Maximum Power Up Reset Cycle Duration (Notes 1 2) 10 ms T62 Maximum Hardware Reset (ERST) Cycle Duration 05 ms Note 1 This parameter is not tested but is assured by correlation with characterization data Note 2 User must wait this long before trying to access the device after power up It is recommended that a Hardware Reset be used sometime after the Power Up Reset cycle is complete to insure proper device reset TLF11708 – 57 FIGURE 7-15 Reset Timing 125 |
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