DS1243Y Datasheet | Maxim Integrated

FEATURES - Real-Time Clock Keeps Track of Hundredths of Seconds, Seconds, Minutes, Hours, Days, Date of the Month, Months, and Years - 8K x 8 NV SRAM Directly Replaces Volatile Static RAM or EEPROM - Embedded Lithium Energy Cell Maintains Calendar Operation and Retains RAM Data - Watch Function is Transparent to RAM Operation - Automatic Leap Year pensation Valid Up to 2100 - Lithium Energy Source is Electrically Disconnected to Retain Freshness Until Power is Applied for the First Time - Standard 28-Pin JEDEC Pinout - Full ±10% Operating Range - Accuracy is Better than ±1 Minute/Month at +25°C - Over 10 Years of Data Retention in the Absence of Power - Available in 120ns Access Time - Underwriters Laboratories (UL) Recognized (.maxim-ic./qa/info/ul) PIN CONFIGURATION TOP VIEW RST A12 A7 A6 A5 A4 A3 A2 A1 A0 DQ0 DQ1 DQ2 1 28 2 3 27 26 4 25 5 24 6 23 7 22 8 21 9 20 10 19 11 18 12 17 13 16 14 15 VCC WE N.C. A8 A9 A11 OE A10 CE DQ7 DQ6 DQ5 DQ4 DQ3 Encapsulated Package (720-Mil Extended) ORDERING INFORMATION PART TEMP RANGE PIN-PACKAGE DS1243Y-120+ 0°C to +70°C 28 EDIP (0.720a) + Denotes a lead(Pb)-free/Ro HS-pliant package. 1 of 14 PIN...