PT7C4337AC
Overview
Using external 32.768kHz quartz crystal for PT7C4337A Using internal 32.768kHz quartz crystal for PT7C4337AC Supports I2C-Bus's high speed mode (400 kHz) Includes time (Hour/Minute/Second) and calendar (Year/Month/Date/Day) counter functions (BCD code) Programmable square wave output signal Two Time-of-Day Alarms Oscillator Stop Flag Operating range: 1.8V to 5.5V Timekeeping range: 1.2V to 1.8V The PT7C4337A/4337AC serial real-time clock is a low-power clock/calendar with two programmable timeof-day alarms and a programmable square-wave output. Address and data are transferred serially via a 2-wire, bidirectional bus.
