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.
Features
- Byte-Wide Parallel Interface.
- 44-Bit Binary Counter Provides Timer with 244µs Resolution.
- Automatic Power-Fail Detect and Switch Circuitry Selects Power Source from the Primary Power and the Battery, and Write Protects the Internal Registers.
- Internal Power-Fail Circuit Allows Timer to Provide Primary or Battery Operation Times.
- Timer can Alternately Provide an Event Timer of Either an Active-High or Active-Low Pulse.
- Interrupt Output Genera.
DS1318 Datasheet
