Description
RST
CLK DQ GND VCC OSC NC
- Reset - Clock - Data Input/Output - Ground - +5V - 1Hz Oscillator Output - No Connect
DESCRIPTION
The DS1603 is a real-time clock/elapsed time counter designed to count seconds when VCC power is applied and continually count seconds under battery backup power with an a
Features
- Two 32-bit counters keep track of real-time
and elapsed time.
- Counters keep track of seconds for over 125
years.
- Battery powered counter counts seconds from
the time battery is attached until VBAT is less
than 2.5V.
- VCC powered counter counts seconds while
VCC is above VTP and retains the count in the
absence of VCC under battery backup power.
- Clear function resets selected counter to 0.
- Read/write serial port affords low pin count.
- Powered internally by a lit.
DS1603 Datasheet
