RTC-4553AC

• Designed for E-mater
• Built-in 32.768 kHz quartz crystal allows adjustment- free operation and assures high accuracy
• Integrated clock (hours, minutes, seconds) and calendar (year, month, day, day of the week) counter
• Automatic leap year compensation until 2099
• Selectable 24-hour/12-hour display mode (with AM/PM indication)
• Clock data modification using increment method
• Clock data serial output in BCD format
• Software controlled 30 second adjustment
• Selectable 1/10 Hz or 1024 Hz timing pulse output
• Built-in SRAM (30 * 4 bit)
• Constant voltage drive realizes low power consumption (1 A Typ.) and minimizes voltage-induced frequency fluctuations
• Supports low-voltage operation (3 V)