MAX6901 Datasheet | Maxim Integrated

Description The MAX6900, I2C™-bus-patible real-time clock (RTC) in a 6-pin TDFN package contains a real-time clock/calendar and 31-byte ✕ 8-bit wide of static random access memory (SRAM). The real-time clock/calendar provides seconds, minutes, hours, day, date, month, and year information. The end of the month date is automatically adjusted for months with fewer than 31 days, including corrections for leap year up to the year 2100. The clock operates in either the 24hr or 12hr format with an AM/PM indicator. Features o Real-Time Clock Counts Seconds, Minutes, Hours, Date, Month, Day, and Year o Leap Year pensation Valid up to Year 2100 o Fast (400k Hz) I2C-Bus-patible Interface from 2.0V to 5.5V o 31 ✕ 8 SRAM for Scratchpad Data Storage o Uses Standard 32.768k Hz, 12.5p F Load, Watch Crystal o Ultra-Low 225n A (typ) Timekeeping Current o Single-Byte or Multiple-Byte (Burst Mode) Data Transfer for Read or Write of Clock Registers or SRAM o 6-Pin 3mm x 3mm x 0.8mm TDFN Surface-Mount Package o No External Crystal Bias Resistors or Capacitors Required MAX6900 Applications Portable Instruments Point-of-Sale Equipment Intelligent Instruments Battery-Powered Products I2C is a trademark of Philips Corp. Purchase of I2C ponents of Maxim Integrated Products, Inc., or one of its sublicensed Associated panies, conveys a license under the Philips I2C Patent Rights to use these ponents in an I2C system, provided that the system conforms to the I2C Standard Specification as defined by Philips. Ordering Information PART MAX6900ETT-T TEMP RANGE -40°C to +85°C PINPACKAGE 6 TDFN TOP MARK AEU Related Real-Time Clock Products PART MAX6900 MAX6901 MAX6902 SERIAL BUS I2C patible 3-wire SPI™ patible SRAM 31 ✕ 8 31 ✕ ALARM FUNCTION - Polled Polled OUTPUT FREQUENCY - 32k Hz - PIN-PACKAGE 6 TDFN 8 TDFN 8 TDFN 31 ✕ 8 SPI is a trademark of Motorola, Inc. Pin Configuration TOP VIEW Typical Operating Circuit VCC 1 0.01µF RPU RPU X1 2 MAX6900 SCL...