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DS1682 Datasheet(PDF) 3 Page - Maxim Integrated Products |
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DS1682 Datasheet(HTML) 3 Page - Maxim Integrated Products |
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3 / 14 page ![]() PARAMETER SYMBOL CONDITIONS MIN TYP MAX UNITS EEPROM Endurance EE (Note 2) 50k writes EEPROM Write Time tEW (Notes 1, 3, 4) 150 300 ms EEPROM Transfer to RAM tER (Notes 1, 5) 1 ms ALARM Output Active-Low Pulse Width tSL (Note 1) 62.5 ms ALARM Output Active-High Pulse Width tSH (Note 1) 437.5 ms ALARM Input Pulled Low and Released Pulse Width tSPL (Note 1) 500 ms SCL Clock Frequency fSCL Fast mode 400 kHz Standard mode 100 Bus Free Time Between a STOP and START Condition tBUF Fast mode 1.3 µs Standard mode 4.7 Hold Time (Repeated) START Condition (Note 6) tHD:STA Fast mode 0.6 µs Standard mode 4.0 Low Period of SCL tLOW Fast mode 1.3 µs Standard mode 4.7 High Period of SCL tHIGH Fast mode 0.6 µs Standard mode 4.0 Setup Time for a Repeated START tSU:STA Fast mode 0.6 µs Standard mode 4.0 Data Hold Time (Notes 7, 8) tHD:DAT Fast mode 0 µs Standard mode 0 Data Setup Time (Note 9) tSU:DAT Fast mode 100 ns Standard mode 250 Rise Time of SDA and SCL Signals (Note 10) tR Fast mode 20 + 0.1CB 300 ns Standard mode 20 + 0.1CB 1000 Fall Time of SDA and SCL Signals (Note 10) tF Fast mode 20 + 0.1CB 300 ns Standard mode 20 + 0.1CB 300 Setup Time for STOP tSU:STO Fast mode 0.6 µs Standard mode 4.0 Input Capacitance CI/O (Note 1) 10 pF Capacitive Load for Each Bus Line CB (Note 10) 400 pF DS1682 Total-Elapsed-Time Recorder with Alarm www.maximintegrated.com Maxim Integrated │ 3 AC Electrical Characteristics (VCC = 2.5V to 5.5V, TA = -40°C to +85°C, unless otherwise noted.) |
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