DS3231MZ MAXIM [Maxim Integrated Products], DS3231MZ Datasheet
DS3231MZ
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DS3231MZ Summary of contents
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... Applications Power Meters Industrial Applications Ordering Information PART TEMP RANGE DS3231MZ+* -40NC to +85NC DS3231M+ -40NC to +85NC +Denotes a lead(Pb)-free/RoHS-compliant package. *Future product—contact factory for availability. Note: Some revisions of this device may incorporate deviations from published specifications known as errata. Multiple revisions of any device may be simultaneously available through various sales channels ...
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I C Real-Time Clock ABSOLUTE MAXIMUM RATINGS Voltage Range on Any Pin Relative to GND ........-0.3V to +6.0V Operating Temperature Range .......................... -40NC to +85NC Storage Temperature Range ............................ -55NC to +125NC Stresses beyond those listed under “Absolute ...
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DC ELECTRICAL CHARACTERISTICS—GENERAL (continued +2.3V to +5.5V -40NC to +85NC, unless otherwise noted. Typical values are +25NC, unless otherwise noted.) PARAMETER SYMBOL Power-Fail Voltage Logic 0 Output (32KHZ, INT/SQW, SDA) Logic 0 ...
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I C Real-Time Clock AC ELECTRICAL CHARACTERISTICS— +2.3V to +5.5V -40NC to +85NC, unless otherwise noted. Typical values are BAT A and T = +25NC, unless otherwise noted.) (Note ...
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SDA t BUF t LOW SCL t t HD:STA R STOP START NOTE: TIMING IS REFERENCED TO V AND V . ILMAX IHMIN 2 Figure Timing t VCCF V PFMAX V PFMIN V CC RST Figure 2. ...
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I C Real-Time Clock (T = +25°C, unless otherwise noted.) A POWER-SUPPLY CURRENT vs. POWER-SUPPLY VOLTAGE 150 V = 2.3V, EN32KHZ = 1, I BAT 140 130 +85°C 120 110 100 90 80 INCREASE BELOW V 70 DUE ...
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TOP VIEW + 32KHZ INT/SQW 3 DS3231M RST 4 N.C. 5 N.C. 6 N.C. 7 N.C. 8 PIN NAME 32.768kHz Output (50% Duty Cycle). This open-drain pin requires an external pullup resistor. ...
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I C Real-Time Clock PIN NAME Serial-Data Input/Output. This pin is the data input/output for the SDA pin requires an external pullup resistor. The pullup voltage can 5.5V, ...
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BAT Figure 4. Single Supply (V Only BAT Figure 5. Single Supply (V Only) BAT +3. BAT Figure 6. Dual Power Supply Table 1. Power Control CONFIGURATION CONDITION V ...
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I C Real-Time Clock less than V and is less than device is powered by V (see Table 1). BAT When V < the RST output ...
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Table 2. Timekeeping Registers BIT 7 ADDRESS BIT 6 MSB 00h 0 10 Seconds 01h 0 10 Minutes 02h 0 12/24 03h 0 0 04h 0 0 05h Century 0 06h 10 Year 07h A1M1 10 Seconds 08h A1M2 10 ...
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I C Real-Time Clock to 00. The day-of-week register increments at midnight. Values that correspond to the day of week are user- defined but must be sequential (i.e equals Sunday, then 2 equals Monday, and so ...
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BIT 7 BIT 6 BIT 5 BBSQW CONV EOSC EOSC: Enable oscillator. When set to logic 0, the oscillator is started. When set to logic 1, the oscillator is stopped when the device switches to V BIT ...
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I C Real-Time Clock V POWERED CC INTERNAL 1Hz CLOCK BSY CONV THE USER SETS THE CONV BIT V POWERED BAT INTERNAL 1Hz CLOCK BSY CONV Figure 7. CONV Control Bit and BSY Status Bit Operation 14 THE ...
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BIT 7 BIT 6 BIT 5 OSF OSF: Oscillator stop flag. A logic 1 in this bit indicates that the oscillator either is stopped or was stopped for some period and could be used to judge the ...
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I C Real-Time Clock Temperature Register (Upper Byte = 11h) BIT 7 BIT 6 SIGN DATA 0 0 Temperature Register (Lower Byte = 12h) BIT 7 BIT 6 DATA DATA 0 0 Temperature is represented as a 10-bit ...
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Bit Write: Transitions of SDA must occur during the low state of SCL. The data on SDA must remain valid and unchanged during the entire high pulse of SCL plus the setup and hold time requirements (see Figure 1). Data ...
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I C Real-Time Clock 2 TYPICAL I C WRITE TRANSACTION MSB LSB START R/W READ/ SLAVE WRITE ADDRESS 2 EXAMPLE I C TRANSACTIONS D0h A) SINGLE BYTE WRITE ...
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For the latest package outline information and land patterns www.maxim-ic.com/packages. Note that a “+”, “#”, or “-” in the package code indicates RoHS status only. Package drawings may show a different suffix character, but the drawing pertains to ...
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I C Real-Time Clock REVISION REVISION NUMBER DATE 0 6/10 Initial release Updated the Features section; moved the temperature accuracy limit from ±3°C (max) to ±3°C (typ) in the DC Electrical Characteristics—General table; added the Power- 1 5/11 ...