PT7C4311 Overview
Description
Support I2C-Bus (High speed mode 400kHz) The PT7C4311 serial real-time clock is a low-power - Includes time (Hour/Minute/Second) and calendar clock/calendar with a programmable square-wave output. (Century/Year/Month/Date/Day) counter functions Address and data are transferred serially via a 2-wire - Year 2000 compliant - Automatic switch-over and deselect circuitry - Time keeping voltage: 1.2V to 5.5V - Software clock calibration - 56 bytes of general purpose RAM - Ultra-low battery supply current of 0.3A - Low operating current of 70A - Battery or super cap back-up - Operating temperature: -40°C to 85°C bidirectional bus.