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DS3231M_1112 Datasheet(PDF) 4 Page - Maxim Integrated Products |
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DS3231M_1112 Datasheet(HTML) 4 Page - Maxim Integrated Products |
4 / 20 page ±5ppm, I2C Real-Time Clock 4 AC_ELECTRICAL_CHARACTERISTICS—I2C_INTERFACE (VCC or VBAT = +2.3V to +5.5V, TA = -40NC to +85NC, unless otherwise noted. Typical values are at VCC = +3.3V, VBAT = +3.0V, and TA = +25NC, unless otherwise noted.) (Note 5, Figure 1) Note_1:_All voltages are referenced to ground. Note_2:_The parameter tOSF is the period of time the oscillator must be stopped for the OSF flag to be set. Note_3: Includes the temperature conversion current (averaged). Note_4: This delay applies only if the oscillator is enabled. If the EOSC bit is 1, tREC is bypassed and RST immediately goes high. The state of RST does not affect the I2C interface or RTC functions. Note_5:__Interface timing shown is for fast-mode (400kHz) operation. This device is also backward-compatible with standard mode I2C timing. Note_6:_CB: Total capacitance of one bus line in picofarads. Note_7:_Guaranteed by design; not 100% production tested. PARAMETER SYMBOL CONDITIONS MIN TYP MAX UNITS SCL Clock Frequency fSCL 0 400 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 Set-Up Time tSU:DAT 100 ns START Set-Up Time tSU:STA 0.6 F s SDA and SCL Rise Time tR (Note 6) 20 + 0.1CB 300 ns SDA and SCL Fall Time tF (Note 6) 20 + 0.1CB 300 ns STOP Set-Up Time tSU:STO 0.6 F s SDA, SCL Input Capacitance CBIN (Note 7) 10 pF |
Similar Part No. - DS3231M_1112 |
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Similar Description - DS3231M_1112 |
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