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Rev 0; 7/04 Low-Voltage SPI/3-Wire RTCs with Trickle Charger General Description The low-voltage serial-peripheral interface (SPI™) DS1390/DS1391 and the low-voltage 3-wire DS1392/ DS1393 real-time clocks (RTCs) are clocks/calendars that provide hundredths of a second, seconds
19-6019; Rev 3/12 DS1338 I C RTC with 56-Byte NV RAM 2 GENERAL DESCRIPTION The DS1338 serial real-time clock (RTC) is a lowpower, full binary-coded decimal (BCD) clock/calendar plus 56 bytes of NV SRAM. Address 2 and data are transferred serially through an I C interface. The clock/calendar provid
DS1384 Watchdog Timekeeping Controller www.maxim-ic.com FEATURES Keeps Track of Hundredths of Seconds, Seconds, Minutes, Hours, Days, Date of the Month, Months, and Years with Leap Year Compensation Valid Up to 2100 Watchdog Timer Restarts an Out-ofControl Processor Alarm Function Schedules Real-T
Rev 0; 7/07 I2C, 32-Bit, Binary Counter Clock with 64-Bit ID General Description The DS1372 is a 32-bit binary up counter and 24-bit down counter with a unique 64-bit ID. The counters, ID, configuration, and status registers are accessed using an I 2 C serial interface. The DS13
DS1330Y/AB 256k Nonvolatile SRAM with Battery Monitor www.maxim-ic.com FEATURES § § § § § § § § § § § § 10 years minimum data retention in the absence of external power Data is automatically protected during power loss Power supply monitor resets processor when VCC power loss occurs and
DS1330W PRELIMINARY DS1330W 3.3V 256K Nonvolatile SRAM with Battery Monitor FEATURES PIN ASSIGNMENT • 10 years minimum data retention in the absence of external power • Data is automatically protected during power loss • Power supply monitor resets processor when VCC power loss occurs an
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