M41TM6 Datasheet PDF - STMicroelectronics

DESCRIPTION
The M41T00 TIMEKEEPER® RAM is a low power Serial TIMEKEEPER with a built-in 32.768kHz oscillator (external crystal controlled). Eight bytes of the RAM are used for the clock/calendar function and are configured in binary coded decimal (BCD) format. Addresses and data are transferred serially via a two-line bi-directional bus. The built-in address register is incremented automatically after each write or read data byte.

â–  2.0V to 5.5V SUPPLY VOLTAGE
â–  COUNTERS for SECONDS, MINUTES, HOURS, DAY, DATE, MONTH, YEARS and CENTURY
â–  YEAR 2000 COMPLIANT
â–  SOFTWARE CLOCK CALIBRATION
â–  AUTOMATIC SWITCH-OVER and DESELECT CIRCUITRY
â–  I2C BUS COMPATIBLE
■ ULTRA-LOW BATTERY SUPPLY CURRENT of 1µA
■ LOW OPERATING CURRENT of 300µA
■ OPERATING TEMPERATURE of –40 to 85°C
â–  AUTOMATIC LEAP YEAR COMPENSATION
â–  SPECIAL SOFTWARE PROGRAMMABLE OUTPUT