PT7C433833A Datasheet | Diodes Incorporated

Features Using external 32.768k Hz quartz crystal Supports I2C-Bus's high speed mode (400 k Hz) Includes time (Hour/Minute/Second) and calendar (Year/Month/Date/Day) counter functions (BCD code) Programmable square wave output signal 56-byte, battery-backed, nonvolatile (NV) RAM for data storage Automatic power-fail detect and switch circuitry of battery backup UL Recognized: E348121 Description PT7C433833A Real-time Clock Module (I2C Bus) The PT7C433833A serial real-time clock is a low-power clock/calendar with a programmable square-wave output and 56 bytes of nonvolatile RAM. Address and data are transferred serially via a 2-wire, bidirectional bus. The clock/calendar provides seconds, minutes, hours, day, date, month, and year information. The date at the end of the month is automatically adjusted for months with fewer than 31 days, including corrections for leap year. The clock operates in either the 24-hour or 12-hour format with AM/PM indicator. The...