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DS1339AU Datasheet(PDF) 3 Page - Maxim Integrated Products |
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DS1339AU Datasheet(HTML) 3 Page - Maxim Integrated Products |
3 / 19 page DS1339A Low-Current, I2C, Serial Real-Time Clock 3 Maxim Integrated DC ELECTRICAL CHARACTERISTICS (continued) (VCC = MIN to MAX, VBACKUP = MIN to MAX, TA = -40NC to +85NC, unless otherwise noted.) (Note 2) DC ELECTRICAL CHARACTERISTICS (VCC = 0V, VBACKUP = MIN to MAX, TA = -40NC to +85NC, unless otherwise noted.) (Note 2) AC ELECTRICAL CHARACTERISTICS (VCC = MIN to MAX, TA = -40NC to +85NC, unless otherwise noted.) (Note 2, Figure 1) PARAMETER SYMBOL CONDITIONS MIN TYP MAX UNITS Trickle-Charger Resistor Register 10h = A6h, VCC = Typ, VBACKUP = 0V R2 2000 I Trickle-Charger Resistor Register 10h = A7h, VCC = Typ, VBACKUP = 0V R3 4000 I VBACKUP Leakage Current IBKLKG -100 25 200 nA PARAMETER SYMBOL CONDITIONS MIN TYP MAX UNITS VBACKUP Current EOSC = 0, SQW Off IBKOSC (Note 8) 300 600 nA VBACKUP Current EOSC = 0, SQW On IBKSQW (Note 8) 500 1100 nA VBACKUP Current EOSC = 1 IBKDR 10 200 nA PARAMETER SYMBOL CONDITIONS MIN TYP MAX UNITS SCL Clock Frequency fSCL 0.03 400 kHz Bus Free Time Between a STOP and START Condition tBUF 1.3 F s Hold Time (Repeated) START Condition tHD:STA (Note 9) 0.6 F s Low Period of SCL Clock tLOW 1.3 F s High Period of SCL Clock tHIGH 0.6 F s Setup Time for a Repeated START Condition tSU:STA 0.6 F s Data Hold Time tHD:DAT (Notes 10, 11) 0 0.9 F s Data Setup Time tSU:DAT (Note 12) 100 ns Rise Time of Both SDA and SCL Signals tR (Note 13) 20 + 0.1CB 300 ns Fall Time of Both SDA and SCL Signals tF (Note 13) 20 + 0.1CB 300 ns Setup Time for STOP Condition tSU:STO 0.6 F s |
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