Maxim Integrated DS1347
The DS1347 SPI-compatible real-time clock (RTC) contains a real-time clock/calendar and 31 x 8 bits of static random-access memory (SRAM). The real-time clock/calendar provides seconds, minutes, hours, day, date, month, year, and century information. The end-of-the-month date is automatically adjusted for months with fewer than 31 days, including corrections for leap year.GENERAL DESCRIPTION
A time/date programmable polled ALARM is included in the device. The clock operates in either the 24hr or 12hr format with an AM/PM indicator. The device operates with a supply voltage of +2V to +5.5V, are available in the ultra-small 8-pin TDFN package, and work over the -40°C to +85°C industrial temperature range.APPLICATIONS
Point-of-Sale Equipment Intelligent Instruments Fax Machines Battery-Powered Products Portable Instruments Benefits andFEATURES
● Completely Manages All Timekeeping Functions● RTC Counts Seconds, Minutes, Hours,