memory products - Al Kossow's Bitsavers

ST24C02ELECTRICAL CHARACTERISTICSAC CHARACTERISTICSSymbolParameterTest ConditionsValuesMin. Typ. Max.UnitfSCLSCL clock frequency0 100 KHztLOWThe LOW period of the clock4.7 1'5tHIGHtRtFtAAtHD:STAThe HIGH period of the clockSDA and SCL rise timeSDA and SCL fall timeSCL low to SDA data outSTART condition hold time.After this period the firstclock pulse is generated4.0 1'51 1'5300 1'50.3 1.5 3.5 1'54.0 I'stSU:STAtSU:DATtHD:DATTSU:STOtSUFTEJWSetup time for start condition(only relevant for a repeatedstart condition)Data set-up timeData hold timeSTOP condition set-up~Time the bus must be freebefore a new transmissioncan startEraselWrite cycle time(per word)4.7 "s250 ns0 "s4.7 I's4.7 I's10 msNEIWEndurance (number oferase/write cycles)EIW10000 cyclestsData retention time10 YearsCITIInput capacitance on SCL,SDANoise suppresion timeconstant at SCL and SDAinput7 pf0.25 0.5 1.0 "sNotes: 1. All values referred to VIH and VIL levels2. Note that a transmitter must internally provide at least time to bridge the undefined region (max. 300 ns) of the edge of SCl.6/9234