DS1342U+ Maxim Integrated Products, DS1342U+ Datasheet
DS1342U+
Specifications of DS1342U+
Related parts for DS1342U+
DS1342U+ Summary of contents
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... FSOP DS1341T+* -40NC to +85NC 8 TDFN-EP** DS1341T+T&R* 8 TDFN-EP** -40NC to +85NC DS1342U+ -40NC to +85NC 8 FSOP DS1342U+T&R -40NC to +85NC 8 FSOP DS1342T+* -40NC to +85NC 8 TDFN-EP** DS1342T+T&R* -40NC to +85NC 8 TDFN-EP** +Denotes a lead(Pb)-free/RoHS-compliant package. T&R = Tape and reel. *Future product—contact factory for availability. ...
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Low-Current I ABSOLUTE MAXIMUM RATINGS Voltage Range on Any Pin Relative to Ground ....-0.3V to +6.0V Operating Temperature Range .......................... -40NC to +85NC Junction Temperature Maximum .....................................+150NC PACKAGE THERMAL CHARACTERISTICS (Note 1) FSOP Junction-to-Ambient Thermal Resistance (B Junction-to-Case Thermal ...
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Low-Current I AC ELECTRICAL CHARACTERISTICS (V = +1.8V to +5.5V -40NC to +85NC, unless otherwise noted.) (Note 2, Figure PARAMETER SYMBOL SCL Clock Frequency Bus Free Time Between a STOP and START Condition Hold Time ...
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Low-Current I Note 11 the total capacitance of one bus line, including all connected devices, in pF. Note 12: The parameter t OSF is the period of time the oscillator must be stopped for the OSF ...
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Low-Current +25°C, unless otherwise noted.) A DS1341 I SUPPLY CURRENT vs. SUPPLY VOLTAGE CCT (EGFIL = 0, DOSF = 1) 450 CLKIN = GND 0mA OUT 400 350 300 +85°C 250 200 150 100 1 ...
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Low-Current I TOP VIEW + CLKIN/INTA 3 GND 4 PIN NAME Connections for a Standard 32.768kHz Quartz Crystal. The internal oscillator circuitry designed for operation with a crystal having a specified load ...
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Low-Current I Detailed Description The DS1341/DS1342 low-current RTCs are timekeeping devices that consume an extremely low timekeeping cur- rent, which permits longer life from a power supply. The clock/calendar provides seconds, minutes, hours, day, date, month, and year information. The ...
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Low-Current I External Synchronization When an external clock reference is used, the input from CLKIN/INTA is divided down to 1Hz by the divi- sor selected by the CLKSEL[2:1] bits. The 1Hz from the divider (Ext-1Hz, see the Functional Diagram) ...
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Low-Current I the ECLK bit is set. The external clock reference must be within the defined frequency tolerance prior to initializing the LOS flag. Table 1 shows the map for the DS1341/DS1342 regis- ters. During a multibyte access, if the ...
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Low-Current I when the interface timeout is exceeded, prior to the acknowledge, the incomplete byte of data is not written. Clock and Calendar (00h–06h) The time and calendar information is obtained by read- ing the appropriate register bytes. The ...
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Low-Current I When the RTC register values match alarm register set- tings, the corresponding alarm flag bit (A1F or A2F) is set the Control/Status register. If the correspond- ing alarm interrupt enable bit (A1IE or A2IE) is ...
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Low-Current I BIT 7 BIT 6 OSF DOSF 1 0 Control/Status Register (0Fh) Bit 7: Oscillator Stop Flag (OSF). If the OSF bit that indicates the oscillator has stopped or was stopped for some period of ...
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Low-Current Serial Port Operation I The DS1341/DS1342s’ slave address byte is D0h. The first byte sent to the device includes the device identifier and the R/W bit (Figure 5). The device address sent by 2 the ...
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Low-Current I 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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Low-Current I reads data with ACK or NACK as applicable, and generates a STOP condition. See Figure 6 for a read example using the repeated START condition to specify the starting memory location. Reading Multiple Bytes from a Slave: The ...
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... Maxim cannot assume responsibility for use of any circuitry other than circuitry entirely embodied in a Maxim product. No circuit patent licenses are implied. Maxim reserves the right to change the circuitry and specifications without notice at any time. 16 Maxim Integrated Products, 120 San Gabriel Drive, Sunnyvale, CA 94086 408-737-7600 2010 Maxim Integrated Products © ...