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DS1683S+ Datasheet(PDF) 3 Page - Maxim Integrated Products |
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DS1683S+ Datasheet(HTML) 3 Page - Maxim Integrated Products |
3 / 21 page 3 DS1683 Total-Elapsed-Time and Event Recorder with Alarm Note 1: All voltages are referenced to ground. Currents entering the IC are specified as positive; currents exiting the IC are specified as negative. Note 2: Guaranteed by design. Note 3: CB: Total capacitance of one bus line in pF. Note 4: EEPROM write time begins after a STOP condition occurs. Note 5: A decoupling capacitor to supply high instantaneous currents during EEPROM writes is recommended. A typical value is 0.01FF. VCC must be maintained above VCC(MIN), including transients, during EEPROM writes. Note 6: VCC must be at or above 2.5V for tW after the end of an event to ensure data transfer to the EEPROM. Note 7: Memory locations to which this specification applies: User Memory, ETC Alarm Limit, Event Counter Alarm Limit, Configuration, Password Value. Note 8: Memory locations to which this specification applies: Event Counter register, ETC register. I2C AC ELECTRICAL CHARACTERISTICS (VCC = 2.5V to 5.5V, TA = -40NC to +85NC, timing referenced to VIL(MAX) and VIH(MIN), unless otherwise noted.) (Figure 7) NONVOLATILE MEMORY CHARACTERISTICS (VCC = 2.5V to 5.5V, unless otherwise noted.) PARAMETER SYMBOL CONDITIONS MIN TYP MAX UNITS SCL Clock Frequency fSCL 400 kHz Bus Free Time Between STOP and START Conditions tBUF 1.3 F s Hold Time (Repeated) START Condition tHD:STA 0.6 F s Low Period of SCL tLOW 1.3 F s High Period of SCL tHIGH 0.6 F s Data Hold Time tHD:DAT 0 0.9 F s Data Setup Time tSU:DAT 100 ns START Setup Time tSU:STA 0.6 F s SDA and SCL Rise Time tR (Note 3) 20 + 0.1CB 300 ns SDA and SCL Fall Time tF (Note 3) 20 + 0.1CB 300 ns STOP Setup Time tSU:STO 0.6 F s SDA and SCL Capacitive Loading CB (Note 3) 400 pF EEPROM Write Time tW (Notes 4, 5, 6) 10 20 ms PARAMETER SYMBOL CONDITIONS MIN MAX UNITS EEPROM Write Cycles TA = +70NC (Note 7) 50,000 Writes EEPROM Write Cycles (4 Banks) TA = +70NC (Note 8) 200,000 Writes |
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