PCF85363A - NXP

PCF85363A Tiny Real-Time Clock/Calendar

The PCF85363A is a CMOS1 Real-Time Clock (RTC) and calendar optimized for low power consumption and with automatic switching to battery on main power loss. The RTC can also be configured as a stop-watch (elapsed time counter). Three time log registers triggered from battery switch-over as well as input driven events. Featuring clock output and two independen.

Features

• UL Recognized Component (PCF85363ATL)
• Provides year, month, day, weekday, hours, minutes, seconds and 100th seconds based on a 32.768 kHz quartz crystal
• Stop-watch mode for elapsed time counting. From 100th seconds to 999 999 hours
• Two independent alarms
• Battery back-up circuit
• WatchDog timer
• Three timestamp registers
• Two independent interrupt generators plus predefined interrupts at every second, minute, or hour
• 64 byte battery backed-up RAM
• Frequency adjustment via programmable offset register
• Clock operating voltage: 0.9 V to 5.5 V
• Low current; typical 0.28 μA at VDD.