DS1673S-3+ Maxim Integrated Products, DS1673S-3+ Datasheet
DS1673S-3+
Specifications of DS1673S-3+
Related parts for DS1673S-3+
DS1673S-3+ Summary of contents
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... The chip- CCO PIN CONFIGURATION TOP VIEW TOP MARK† DS1673-3 DS1673-3 DS1673-5 DS1673-3 DS1673-3 DS1673-5 DS1673S-3 DS1673S DS1673 Month, Month, Day of the Week, and Year with Leap Year Compensation Valid Up to 2100 Power-On from Day/Time Alarm Power Failure Microprocessor ...
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DETAILED DESCRIPTION The microprocessor monitor circuitry of the DS1673 provides three basic functions. First, a precision temperature-compensated reference and comparator circuit monitors the status of V tolerance condition occurs, an internal power-fail signal is generated which forces the reset to ...
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PIN DESCRIPTION PIN NAME 1 V Battery Input for Standard 3V Lithium Cell or Other Energy Source BAT External SRAM Power Supply Output. This pin is internally connected within nominal limits. However, during power-fail ...
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POWER-UP/POWER-DOWN CONSIDERATIONS When V is applied to the DS1673 and reaches a level greater than V CC device becomes fully accessible after t When V drops below V CC CCSW During power-up, when V returns to an in-tolerance condition, the ...
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DS1673 ADDRESS MAP Figure 3 CLOCK, CALENDAR, AND ALARM The time and calendar information is accessed by reading/writing the appropriate register bytes. Note that some bits are set to 0. These bits will always read 0 regardless of how they ...
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TIME OF DAY ALARM BITS Table 1 ALARM REGISTER MASK BITS (BIT 7) SECONDS MINUTES HOURS SPECIAL PURPOSE REGISTERS The DS1673 has two additional registers (control register and status register) ...
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STATUS REGISTER BIT 7 BIT 6 BIT 5 CU LOBAT CU (Conversion Update In Progress). When this bit update to the ADC Register (register 0Eh) will occur within 488s. When this bit ...
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EXTERNAL SRAM INTERFACE (WORD-WIDE) TO THE DS1673 Figure 4 MICROPROCESSOR MONITOR The DS1673 monitors three vital conditions for a microprocessor: power supply, software execution, and external override. First, a precision temperature-compensated reference and comparator circuit monitors the status of V ...
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WATCHDOG TIME-OUT CONTROL Figure 5 WATCHDOG REGISTER BIT 7 BIT 6 BIT WATCHDOG REGISTER TD1 TD0 ANALOG-TO-DIGITAL CONVERTER The DS1673 provides a 3-channel, 8-bit analog-to-digital converter. The ADC reference ...
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CU BIT TIMING Figure 6 3-WIRE SERIAL INTERFACE Communication with the DS1673 is accomplished through a simple 3-wire interface consisting of the Chip Select (CS), Serial Clock (SCLK) and Input/Output (I/O) pins. All data transfers are initiated by driving the ...
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SINGLE-BYTE DATA TRANSFER Figure 7 MULTIPLE-BYTE BURST TRANSFER Figure DS1673 ...
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ABSOLUTE MAXIMUM RATINGS Voltage on Any Pin Relative to Ground…………………………………………………….-0.3V to +7.0V Operating Temperature………………………………………………………………………..0°C to +70°C Storage Temperature……………………………………………………………………….-55°C to +125°C Soldering Temperature………………………………………………………..See J-STD-020 Specification This is a stress rating only and functional operation of the device at these or any ...
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DC ELECTRICAL CHARACTERISTICS PARAMETER Input Leakage CS Leakage Logic 1 Output (I =-0.4mA) OUT Logic 0 Output (I = 1.5mA) OUT Active Supply Current ( ADC Current Standby Current ( Battery Current (Oscillator On) ...
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AC ELECTRICAL CHARACTERISTICS PARAMETER Data to Clock Setup CLK to Data Hold CLK to Data Delay CLK to Low Time CLK to High Time CLK Frequency CLK Rise and Fall CS to CLK Setup CLK to CS Hold CS Inactive ...
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AC ELECTRICAL CHARACTERISTICS PARAMETER Data to Clock Setup CLK to Data Hold CLK to Data Delay CLK to Low Time CLK to High Time CLK Frequency CLK Rise and Fall CS to CLK Setup CLK to CS Hold CS Inactive ...
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TIMING DIAGRAM: READ DATA Figure 9 TIMING DIAGRAM: WRITE DATA Figure DS1673 ...
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PUSHBUTTON RESET Figure 11 POWER-UP Figure 12 POWER-DOWN Figure DS1673 ...
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... Maxim/Dallas Semiconductor cannot assume responsibility for use of any circuitry other than circuitry entirely embodied in a Maxim/Dallas Semiconductor product. No circuit patent licenses are implied. Maxim/Dallas Semiconductor reserves the right to change the circuitry and specifications without notice at any time The Maxim logo is a registered trademark of Maxim Integrated Products, Inc. The Dallas logo is a registered trademark of Dallas Semiconductor Corporation. = 3.0V ...