Datasheet Summary
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.maxim-ic.
DS1603 Elapsed Time Counter Module
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 lithium energy cell that provides over 10 years of operation
- One-byte protocol defines read/write, counter address and software clear function
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