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DS3231SN Datasheet(PDF) 2 Page - Maxim Integrated Products |
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DS3231SN Datasheet(HTML) 2 Page - Maxim Integrated Products |
2 / 20 page Extremely Accurate I2C-Integrated RTC/TCXO/Crystal 2 _____________________________________________________________________ ABSOLUTE MAXIMUM RATINGS RECOMMENDED DC OPERATING CONDITIONS (TA = TMIN to TMAX, unless otherwise noted.) (Notes 1, 2) Stresses beyond those listed under “Absolute Maximum Ratings” may cause permanent damage to the device. These are stress ratings only, and functional operation of the device at these or any other conditions beyond those indicated in the operational sections of the specifications is not implied. Exposure to absolute maximum rating conditions for extended periods may affect device reliability. Voltage Range on VCC, VBAT, 32kHz, SCL, SDA, RST, INT/SQW Relative to Ground.............................-0.3V to +6.0V Operating Temperature Range (noncondensing) .............................................-40°C to +85°C Junction Temperature ......................................................+125°C Storage Temperature Range ...............................-40°C to +85°C Lead Temperature (Soldering, 10s).....................................................+260°C/10s Soldering Temperature....................................See the Handling, PC Board Layout, and Assembly section. PARAMETER SYMBOL CONDITIONS MIN TYP MAX UNITS VCC 2.3 3.3 5.5 V Supply Voltage VBAT 2.3 3.0 5.5 V Logic 1 Input SDA, SCL VIH 0.7 x VCC VCC + 0.3 V Logic 0 Input SDA, SCL VIL -0.3 +0.3 x VCC V ELECTRICAL CHARACTERISTICS (VCC = 2.3V to 5.5V, VCC = Active Supply (see Table 1), TA = TMIN to TMAX, unless otherwise noted.) (Typical values are at VCC = 3.3V, VBAT = 3.0V, and TA = +25°C, unless otherwise noted.) (Notes 1, 2) PARAMETER SYMBOL CONDITIONS MIN TYP MAX UNITS VCC = 3.63V 200 Active Supply Current ICCA (Notes 3, 4) VCC = 5.5V 300 μA VCC = 3.63V 110 Standby Supply Current ICCS I2C bus inactive, 32kHz output on, SQW output off (Note 4) VCC = 5.5V 170 μA VCC = 3.63V 575 Temperature Conversion Current ICCSCONV I2C bus inactive, 32kHz output on, SQW output off VCC = 5.5V 650 μA Power-Fail Voltage VPF 2.45 2.575 2.70 V Logic 0 Output, 32kHz, INT/SQW, SDA VOL IOL = 3mA 0.4 V Logic 0 Output, RST VOL IOL = 1mA 0.4 V Output Leakage Current 32kHz, INT/SQW, SDA ILO Output high impedance -1 0 +1 μA Input Leakage SCL ILI -1 +1 μA RST Pin I/O Leakage IOL RST high impedance (Note 5) -200 +10 μA VBAT Leakage Current (VCC Active) IBATLKG 25 100 nA |
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