TheTPS3895,TPS3896,TPS3897,andTPS3898 devices(TPS389x)areafamilyofverysmall

supervisorycircuitsthatmonitorvoltagesgreaterthan 500mVwitha0.25%(typical)thresholdaccuracy andofferadjustabledelaytimeusingexternal capacitors.TheTPS389xfamilyalsohasalogic enablepin(ENABLEorENABLE)topoweronandoff theoutput.WiththeTPS3895,forexample,whenthe inputvoltagepin(SENSE)risesabovethethreshold,andtheENABLEpinishigh,thentheoutputpin (SENSE_OUT) goes high after the capacitor-adjustable delay time. When SENSE falls below the threshold or ENABLE is low, then SENSE_OUT goes low. For truth tables, see Table 1 and Table 2.