DS1672U-33+ Maxim Integrated Products, DS1672U-33+ Datasheet
DS1672U-33+
Specifications of DS1672U-33+
Related parts for DS1672U-33+
DS1672U-33+ Summary of contents
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GENERAL DESCRIPTION The DS1672 incorporates a 32-bit counter and power-monitoring functions. The 32-bit counter is designed to count seconds and can be used to derive time-of-day, week, month, month, and year by using a software algorithm. A precision, temperature-compensated ...
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... DS1672U-33 -40°C to +85°C DS1672U-33+ -40°C to +85°C DS1672U-33/T&R -40°C to +85°C DS1672U-33+T&R -40°C to +85°C + Denotes a lead(Pb)-free/RoHS-compliant device “+” anywhere on the top mark denotes a lead-free device 2-digit alphanumeric revision code. VOLTAGE (V) PIN-PACKAGE 2.0 8 DIP (300 mils) 3 ...
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ABSOLUTE MAXIMUM RATINGS Voltage Range on Any Pin Relative to Ground……………………………………………..-0.5V to +6.0V Operating Temperature Range (noncondensing) ...…………………………………………-40C to +85C Storage Temperature Range……………………………………………………………….-55C to +125C Soldering Temperature………………………………………….See IPC/JEDEC J-STD-020 Specification This is a stress rating only and functional operation of ...
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DC ELECTRICAL CHARACTERISTICS ( -40C to +85C PARAMETER V Current (Oscillator On) BACKUP V Current (Oscillator Off) BACKUP Note 5: Using the recommended crystal on X1 and X2. CRYSTAL SPECIFICATIONS PARAMETER Nominal Frequency Series ...
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AC ELECTRICAL CHARACTERISTICS ( -40C to +85C PARAMETER SYMBOL SCL Clock f SCL Frequency Bus Free Time Between a STOP and t BUF START Condition Hold Time (Repeated) START t HD:STA Condition LOW Period ...
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POWER-UP/POWER-DOWN CHARACTERISTICS (T = -40C to +85C) A PARAMETER V Detect to RST (V Falling Detect to RST (V Rising Fall Time PF(MAX) PF(MIN) V Rise Time ...
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PIN DESCRIPTION PIN NAME Connections for Standard 32.768kHz Quartz Crystal. The internal oscillator circuitry is designed for operation with a crystal having a specified load capacitance (CL) of 6pF. For more information about crystal selection and 1, 2 X1, X2 ...
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DETAILED DESCRIPTION The DS1672 provides a 32-bit counter that increments once-per-second. The counter data is accessible 2 via serial interface. A precision, temperature-compensated, voltage reference and comparator circuit monitors V . When V CC prevent data corruption. ...
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Clock Accuracy The accuracy of the clock is dependent upon the accuracy of the crystal and the accuracy of the match between the capacitive load of the oscillator circuit and the capacitive load for which the crystal was trimmed. Additional ...
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Microprocessor Monitor A temperature-compensated comparator circuit monitors the level of V fail trip point, the RST signal (open drain) is pulled active and read/write access is inhibited. When V returns to nominal levels, the RST signal is kept in the ...
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Figure 5. Programmable Trickle Charger SELECT NOTE: ONLY 1010 ENABLES TCS TCS TCS TCS BIT 7 BIT 6 BIT 5 BIT 4 TRICKLE CHARGE REGISTER SELECT SELECT DS DS ...
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I C Serial Data Bus The DS1672 supports a bidirectional I onto the bus is defined as a transmitter and a device receiving data as a receiver. The device that controls the message is called a master. The devices ...
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Figures 7 and 8 detail how data transfer is accomplished on the I R/W bit, two types of data transfer are possible: 1) Data transfer from a master transmitter to a slave receiver. The first byte transmitted by the master ...
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Figure 6. Data Transfer on I SDA MSB SCL 1 START CONDITION Figure 7. Data Write: Slave Receiver Mode <Slave Address> <Word Address (n)> S 1101000 0 A XXXXXXXX S - START A - ACKNOW LEDGE P - STOP R/W ...
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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. THETA-JC 40°C/W 40° ...