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DS1318

Part Number	DS1318
Manufacturer	Maxim Integrated
Description	Parallel-Interface Elapsed Time Counter
Published	Mar 27, 2020
Detailed Description	19-5664; Rev 1; 12/10 Parallel-Interface Elapsed Time Counter DS1318 General Description The DS1318 parallel-interface...
Datasheet	DS1318 PDF File

Overview

19-5664; Rev 1; 12/10 Parallel-Interface Elapsed Time Counter DS1318 General Description The DS1318 parallel-interface elapsed time counter (ETC) is a 44-bit counter that maintains the amount of time that the device operates from main and/or backup power or during an external event.
The internal frequency of the counter clock is 4.
096kHz, which provides a 244µs resolution and a maximum count of over 136 years.
A built-in power-sense circuit detects power failures, automatically switches to the backup supply, and controls the timer.
If an external event timer is desired, the control input EXT can control the counter operation.
An open-drain output provides an interrupt, and a square-wave ou...

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