PT7C4337 Datasheet PDF - ETC2

Product Description

●The PT7C4337 serial real-time clock is a low-power clock/calendar with two programmable time-of-day alarms and a programmable square-wave output.

●Product Features

●•  Using external 32.768kHz quartz crystal

●•  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