X9221 Dual E2POT⢠Nonvolatile Digital Potentiometer Terminal ...
X9221 Dual E2POT⢠Nonvolatile Digital Potentiometer Terminal ...
X9221 Dual E2POT⢠Nonvolatile Digital Potentiometer Terminal ...
You also want an ePaper? Increase the reach of your titles
YUMPU automatically turns print PDFs into web optimized ePapers that Google loves.
<strong>X9221</strong>ENDURANCE AND DATA RETENTIONParameter Min. UnitsMinimum Endurance 100,000 Data Changes per RegisterData Retention 100 Years3079 PGM T06.2CAPACITANCESymbol Parameter Max. Units Test ConditionsC (5) I/O Input/Output Capacitance (SDA) 8 pF V I/O = 0VC IN(5) Input Capacitance (A0, A1, A2, A3 and SCL) 6 pF V IN = 0V3079 PGM T07POWER-UP TIMINGSymbol Parameter Max. Unitst PUR(6) Power-up to Initiation of Read Operation 1 mst (6) PUW Power-up to Initiation of Write Operation 5 ms3079 PGM T08A.C. CONDITIONS OF TESTInput Pulse Levels V CC x 0.1 to V CC x 0.9Input Rise andFall Times10nsInput and OutputTiming Levels V CC x 0.53079 PGM T09Notes: (5) This parameter is periodically sampled and not 100%tested.(6) t PUR and t PUW are the delays required from the timeVCC is stable until the specified operation can beinitiated. These parameters are periodically sampledand not 100% tested.SYMBOL TABLEEQUIVALENT A.C. TEST CIRCUITSDA OUTPUTGuidelines for CalculatingTypical Values of Bus Pull-Up Resistors5V1533Ω100pF3079 ILL F02.1WAVEFORM INPUTS OUTPUTSMust besteadyMay changefrom LOW to HIGHMay changefrom HIGH to LOWDon’t Care:ChangesAllowedN/AWill besteadyWill changefrom LOWto HIGHWill changefrom HIGHto LOWChanging:State NotKnownCenter Lineis HighImpedanceRESISTANCE (KΩ)120100806040R MIN= IOL MINtR MAX= RCBUSMAX.RESISTANCEV CC MAX =1.8KΩ20MIN.RESISTANCE00 20 40 60 80 100 120BUS CAPACITANCE (pF)3079 ILL F179