The MAX6900, I²C*-bus-compatible real-time clock (RTC) in a 6-pin TDFN package contains a real-time clock/calendar and 31-byte x 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.
The SOT23 package has been replaced by a TDFN. For addtional information click here.
주요기능
애플리케이션/용도
Real-Time Clock Counts Seconds, Minutes, Hours, Date, Month, Day, and Year
Leap Year Compensation Valid up to Year 2100
Fast (400kHz) I²C-Bus-Compatible Interface from 2.0V to 5.5V
31 x 8 SRAM for Scratchpad Data Storage
Uses Standard 32.768kHz, 12.5pF Load, Watch Crystal
Ultra-Low 225nA (typ) Timekeeping Current
Single-Byte or Multiple-Byte (Burst Mode) Data Transfer for Read or Write of Clock Registers or SRAM
6-Pin 3mm x 3mm x 0.8mm TDFN Surface-Mount Package
No External Crystal Bias Resistors or Capacitors Required
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